Part 23
Creeping puberulous herb. Leaves almost round; stip. semicircular. Fl. enclosed in cup-shaped involucre of oval bracts, white, ⅓ in. long. Fr. fleshy, pea-shaped.
Belgian Congo (Niamniam-land).
504 =Cephaëlis suaveolens= _Schwfth._
Undershrub, 3-5 ft. high. Leaves opp., oval; stip. broadly oval, connate at base, bifid, puberulous. Fl. ab. ¼ in. long, 5-merous, white, sweet- scented, crowded in subterminal and axillary, solitary heads, 1 in. in diam., with 4 involucral bracts. Berry oval, 12-grooved.
Bahr El Ghazal Prov. (Jur-land: near Okel).
505 =Diodia breviseta= _Benth._
Trailing or scandent herb, with scabrid, quadrangular branches. Leaves opp., elliptical, 1-2 in. long, margins scabrid or serrulate; stipules of 5 bristles arising from a short truncate base. Fl. white, 4-merous, sessile, few or several together, axillary. Fr. dicoccous, ⅙ in. long.
Bahr El Ghazal Prov. (Niamniam-land: near the Boddo River).
506 =Gaillonia calycoptera= _Jaub._ & _Spach._
Rigid undershrub, 1-2 ft. high. Leaves opp. linear, fleshy, sessile, ¼-1 in. long; stipules sheathing, each with 2 bristles and adnate to the base of the leaves. Fl. small, sessile, or nearly so, solitary or few together, sheathed at base by a pale, calyx-like, 6-cleft involucre, in simple or alternately branched terminal spikes. Fruit dicoccous.
Red Sea Prov. (Soturba).
507 =Spermacoce tenuissima= _Schwfth._
Very slender glabrous annual. Leaves opp., scabrous, sessile, narrow- linear, acute; stip. truncate and tipped with 1-4 bristles (setæ). Fl. 4-merous in small axillary and terminal sessile heads based by 2 pairs of leaves at right angles to each other; cor. purplish. Fr. dicoccous.
Bahr El Ghazal Prov. (Jur Ghattas).
=S. Phyteuma= _Schwfth._
Stiff hispid annual, 2 ft. high. Leaves scabrous, sessile, linear- lanceolate, 1-3 in. long. Fl. pale-purple in dense axillary and terminal heads based by 1-3 pairs of leaves. Fr. dicoccous.
Bahr El Ghazal Prov. (Jur-land).
=S. senensis= _Hiern._
Herb. Leaves opp., sessile, lanceolate or elliptical, with scabrous margins; stipules with hairy sheath and 5-7 setæ. Fl. white, ¼ in. long, in axillary sessile, verticillate heads based by 1-2 pairs of leaves. Capsule straw-coloured, ⅙ in. long.
Fung Prov. (Saoleil); Upper White Nile Prov.; Bahr El Ghazal Prov. (Jur Ghattas).
=S. hebecarpa= _Oliv._
Slender annual, 18 in. high; branches 4-angled. Leaves opp., sessile, linear, scabrid on the margins, 2 in. long; stip. with hairy sheath and 3-5 setæ. Fl. in axillary and terminal, sessile, leafy heads based by the dilated sheath of the stip. of 1-3 pairs of leaves. Fr. pubescent.
Kassala Prov. (Gallabat); Bahr El Ghazal Prov. (Jur Ghattas).
=var. major= _Schwfth._
More robust than type and up to 2 ft. high. Leaves up to 3 in. long. Bracteoles very numerous, longer than subulate calyx teeth.
Kassala Prov. (Gallabat); Bahr El Ghazal Prov. (Jur Ghattas).
=S. leucadea= _Hochst._
Erect annual with whitish hairs; stems and branches 4-angled. Leaves linear or lanceolate, sessile, scabrous, 1-2 in. long; stipules yellowish, with 5 bristles. Fl. small, 4-merous, in axillary and terminal, verticillate and capitate, leafy heads. Capsule ¼ in. long, hairy above.
Kordofan Prov.; Mongalla Prov. (Mongalla).
=S. radiata= _Sieber._
Hirsute annual, 1-2 ft. high. Leaves opp., sessile, linear, hispid on the midrib beneath, 2½ in. long; stip. with 7-9 slender bristles. Fl. small, white, in dense clusters, up to 1 in. diam., at the ends of stem and branches.
Kordofan Prov.
=S. Ruelliæ= _DC._
Hispid herb; branches 4-angled. Leaves opp., sessile, nearly linear, up to 3 in. long; stip. with 7 slender bristles. Fl. white, small, verticillate in axils and terminal; clusters sessile. Fr. dicoccous.
Bahr El Ghazal Prov. (Jur Ghattas).
=S. Kotschyana= _Oliv._
Procumbent or erect herb, 18 in. high, 4-angled, scabrous. Leaves opp., sessile, linear, up to 3 in. long. Fl. small, in dense verticillate axillary and terminal, leafy and bracteolate heads 1 in. in diam.; bracteoles pale-red, filiform. Fr. pubescent, dicoccous.
Blue Nile Prov. (Fazoghli); Bahr El Ghazal Prov. (Shambé).
=S. compacta= _Hochst._
Herb, 8-16 in. high; stem marked with raised lines. Leaves opp., linear to oval, 1-2 in. long, scabrous on margins. Fl. small, in dense verticillate, leafy, sessile terminal and axillary heads, ½ to ¾ in. diam. Capsule minute, puberulous.
Fung Prov. (Jongol’s Post); Kordofan Prov. (J. Kon).
=S. dibrachiata= _Oliv._
Rigid herb, 18 in. high, white-hispid. Leaves lanceolate with revolute margins, 2-3 in. long. Fl. ¾ in. long, sky-blue or purple, in dense terminal sessile heads based by the dilated stip. of the uppermost leaves. Fruit dicoccous.
Fung Prov. (Jongol’s Post).
=S. globosa= _Schum._ & _Thonn._
Undershrub, 2-3 ft. high; branchlets 4-angled. Leaves opp., narrow- elliptic, 2½ in. long; stip. with 3-7 bristles. Fl. small, white, in terminal globose clusters based by the reflexed or obsolete upper pair of leaves. Fr. dicoccous.
White Nile Prov.
=S. sphærostigma= _A. Rich._
Annual, 2½ ft. high. Leaves opp., lanceolate, up to 4 in. long; stip. with 5-7 bristles. Fl. ½ in. long in dense sessile, terminal and axillary heads, exceeded by the uppermost, spreading leaves. Fr. dicoccous, bursting round the base.
White Nile Prov. (J. Arashkol); Kordofan Prov.; Bahr El Ghazal Prov. (Jur-land).
508 =Octodon filifolium= _Schum._ & _Thonn._
Erect annual, 1-2 ft. high. Leaves opp., filiform up to 4 in. long. Fl. 10-20 together within the stipular sheath of the upper leaves and surrounded by numerous filiform bracts; calyx teeth 8, purple; cor. lobes 4, white. Fr. dicoccous.
Bahr El Ghazal Prov. (Jur Ghattas, swampy places).
509 =Mitracarpum scabrum= _Zucc._
Sturdy branched annual 1-2 ft. high. Leaves opp., oval or oblong, 1-2½ in. long, with scabrous margins; stip. with 5-7 bristles. Fl. white in verticillate and terminal heads. Fr. more or less 2-lobed, bursting in a ring round the middle, the upper portion somewhat like a mitre.
Nubia; Blue Nile Prov.; White Nile Prov.; Kordofan Prov.; Bahr El Ghazal Prov. (Jur Ghattas); Mongalla Prov. (Gondokoro, Muriel S/93); Darfur Prov. (Zalingei).
510 =Rubia discolor= _Turcz._
Scabrous, scandent, perennial; branches 4-angled. Leaves verticillate, ovate, cordate, hoary-tomentose beneath, up to 2 in. long, 3-5 nerved. Fl. small, in axillary and terminal cymes. Fr. 2-lobed, fleshy.
Bahr El Jebel (“beyond 2½° N. lat.”).
511 =Galium Aparine= _Linn._
Scandent scabrid annual with 4-angled branches. Leaves 6-9 in a whorl, linear to narrow-elliptic, finely prickly on the margins, up to 1 in. long, 1-nerved. Fl. small, white or greenish. Fr. minute, covered with hooked hairs.
Red Sea Prov. (Erkowit and Has Has).
=G. simense= _Hochst._
Prostrate, glabrous and angular herb, ab. 1 ft. long. Leaves 6 in a whorl, linear, 1-nerved. Fl. purple, 3 together at ends of short lateral branches. Fr. 2-lobed, coriaceous.
Nubia; Red Sea Prov. (Suakin, Soturba).
=G. Decaisnei= _Boiss._
Annual, 6-9 in. high. Leaves 6 in a whorl, the upper linear, 1-nerved, the lower spathulate. Fl. purple, minute, in slender divaricate, terminal panicles.
Nubia; Red Sea Prov. (Suakin, Soturba).
=G. rotundifolium= _Linn._
Perennial; stems angular, hispidulous. Leaves 4 in a whorl, oval, 3-nerved, bristly on margins, ¾ in. long. Fl. small, white in terminal branched panicles, 4-merous. Fr. bristly-hairy.
Darfur Prov. (Jebel Marra, 9,200 ft.).
=G. Mollugo= _Linn._
Nearly glabrous perennial. Leaves 6-8 in a whorl, linear 1-nerved, ½ in. long, finely scabrid on margins. Fl. small, white, in branched terminal panicles. Fr. very small, subrugose, coriaceous.
Red Sea Prov. (21° N.L.).
=G. sp.=
Very small delicate herb with thread-like branches. Leaves whorled, linear, ⅛ in. long. Flowers minute, on very slender pedicels. Ovary villous.
Red Sea Prov. (21° N.L.).
=COMPOSITÆ.=
_A. Flower-heads homogamous; florets all tubular and hermaphrodite, white, rose, purple or violet, never distinctly yellow. Leaves alternate or with all or only lower leaves opposite._
512 =Sparganophorus Vaillantii= _Gærtn._
Glabrous annual. Leaves alternate, linear-lanceolate to elliptical. Flower-heads ab. ⅓ in. in diam.; bracts numerous; involucre hemispherical.
Bahr El Ghazal Prov. (Niamniam-land: by the Nabambisso River).
513 =Ethulia conyzoides= _Linn._ HASHISH EL FARRAS, RIHAN & UMREHAUN (Meshra El Zeraf)—Arab.
Branched herb, ab. 3 ft. high. Capitula of purple florets, up to ¼ in. broad, in diffuse corymbose cymes; invol. bracts numerous. Leaves linear to narrow elliptic, 1-5 in. long.
Kassala Prov. (Gallabat); Khartoum Prov.; Blue Nile Prov.; White Nile Prov. (J. Arashkol); Kordofan Prov.; Bahr El Ghazal Prov. (Jur Ghattas & Niamniam-land); Mongalla Prov.; Darfur Prov.; Fung Prov. (Jongol’s Post).
514 =Erlangea cordifolia= _Benth._
Erect branching herb. Leaves alternate, amplexicaul, sessile, serrulate, scabrid above and hoary beneath, 1-3 in. long. Capitula campanulate ab. ⅓ in. diam.; florets purple.
Upper White Nile Prov. (Kodok).
=E. Rüppellii= _Sch. Bip._
Hoary-tomentose herb, ½-2 ft. high. Leaves alternate, or the lower opp., linear-lanceolate, 1-2½ in. long. Capitula ab. ⅓ in. in diam., in diffuse terminal corymbose cymes.
Upper White Nile Prov.
=E. polycephala= _O._ & _H._
Erect, more or less hoary-tomentose herb. Upper leaves lanceolate or ovate-lanceolate, 1-2 in. long, base sessile, obtuse or amplexicaul. Capitula small in diffuse cymose panicles.
Bahr El Ghazal Prov. (Jur to Meshra, Niamniam-land).
515 =Vernonia jugalis= _O._ & _H._
Herb 7-8 ft. high. Leaves obovate or oval, cuspidate, softly tomentose beneath, 1-3 in. long; capitula campanulate, ab. 30-flowered, ab. ½ in. long, in dense corymbose cymes 6 in. in diam.; florets rose-lilac.
Mongalla Prov. (Yei River); Bahr El Ghazal Prov. (Niamniam-land).
=V. atriplicifolia= _Jaub._ & _Spach._
Undershrub, ab. 3 ft. high, covered with close stiff silky hairs and scattered sessile glands. Leaves (as with others in this genus) alternate, ovate to rhomboidal with 1-3 coarse teeth on each side, up to 1 in. long. Capitula ab. 12-flowered in a diffuse leafy panicle, red or purplish.
Red Sea Prov. (Suakin).
=V. turbinata= _Oliv._ & _Hiern._
Large herb, closely white-tomentose. Leaves subsessile, elliptic-oblong, entire or denticulate, scabrous above, 2½ in. long. Capitula turbinate, many-flowered, ⅔ in. wide, purple, in an elongated terminal panicle.
Bahr El Jebel (Madi woods).
=V. Perrottetii= _Sch. Bip._ AKIEIRA (Goz el Siada)—Dinka.
Pubescent or puberulous annual, up to 2 ft. high. Leaves narrow-linear, scabrid, up to 2 in. long. Capitula ab. 1 in. diam., campanulate, purple, solitary, terminating the numerous branches.
Blue Nile Prov.; Kordofan Prov. (Hillet Nu); Bahr El Ghazal Prov. (Jur Ghattas); Bahr El Jebel (Madi).
=V. violacea= _O._ & _H._
Erect herb, 2-3 ft. high. Leaves subsessile, obovate-oblong, crenate- dentate, up to 3 in. long. Cap. hemispherical, many-flowered ab. ⅔ in. wide, solitary, terminating numerous naked peduncles, 1-3 in. long. Inner pappus violaceous.
Bahr El Jebel (Madi).
=V. ambigua= _Kotschy_ & _Peyr._
Erect, pilose annual ½-2 ft. high. Leaves sessile, with subauricled base, oblanceolate to linear-oblanceolate, up to 4 in. long. Cap. hemispherical ab. ¾ in. diam., in terminal corymbose cymes, up to 1 ft. diam.; cor. purple.
Bahr El Ghazal Prov. (Jur Ghattas); Bahr El Jebel (Madi woods).
=V. undulata= _O._ & _H._
Erect, puberulous herb, ab. 2 ft. high. Leaves lanceolate and ovate, undulate, 1-2 in. long. Cap. ab. 20-flowered, ab. ⅓ in. across, in a lax corymbose cyme 6 in. across; flowers rose-blue.
Bahr El Ghazal Prov. (Niamniam-land, near Gumba).
=V. cinerascens= _Sch. Bip._
Very like _V. atriplicifolia_; differs chiefly by its setaceous pappus.
Red Sea Prov. (21° N.L.).
=V. Smithiana= _Less._
Herb, 1-2 ft. high, woody at base and silvery-hairy. Leaves subsessile, lanceolate-oblong to ovate-elliptic, silvery beneath, up to 2½ in. long. Heads hemispherical, ab. 1/5 in. wide, ab. 15-flowered, in small terminal panicles.
Bahr El Ghazal Prov. (Jur Ghattas).
=V. plumbaginifolia= _Fenzl._
Herb, ab. 2 ft. high; stock woody. Leaves obovate-oblong or the upper linear, up to 1½ in. long. Heads campanulate, many-flowered, ⅓ in. across in much branched terminal cymes.
Fung Prov. (Fazoghli); Bahr El Ghazal Prov. (Bongo-land: forest glades, Gir).
=V. purpurea= _Sch. Bip._
Rigid scabrid herb up to 4 ft. high. Leaves elliptic-oblong, acute, serrulate, scabrous, up to 6 in. long. Cap. hemispherical, many- flowered, dull purple, ¾-1½ in. diam., solitary or in few-headed terminal cymes.
Bahr El Jebel (Madi woods).
=V. Unionis= _Schultz Bip._
Erect, thinly tomentose herb, 3-4 ft. high. Leaves ovate or ovate- lanceolate, upper lanceolate dentate-serrate, up to 6 in. long. Heads many-flowered, rose-purple, ½ in. diam., in a terminal panicled corymb ¼-1 ft. diam.
Kassala Prov. (Gallabat).
=V. pauciflora= _Less._ GALANVA (Meshra El Zeraf)—Dinka.
Erect, pubescent annual, 1-4 ft. high. Leaves elongated, acutely attenuate at both ends, serrulate, up to 6 in. long, dull yellowish green. Heads ab. 1 in. across, purple, in a terminal, forking, often leafy, cyme 6-12 in. long, and 3-6 in. wide.
Red Sea Prov.; White Nile Prov. (J. Arashkol); Kordofan Prov.; Upper White Nile Prov. (Meshra El Zeraf); Darfur Prov. (Zalingei).
=V. amygdalina= _Del._ SURIB—Arab; HAIFERET—Rashida; TEIDE (Dilling)—Nuba; SHUGEIT—Hameg.
Shrub or small tree. Leaves lanceolate or lanceolate-oblong, narrowed both ends, 4-8 in. long. Cap. ab. 20-flowered, ⅛-¼ in. wide, white, in dense, much branched globose or pyramidal panicles 4-12 in. diam.
Red Sea Prov.; Darfur Prov. (Jebel Marra: Wadi Gindi, 7,000 ft.); Fung Prov. (Fazoghli & Jongol’s Post); White Nile, Kordofan & Bahr El Ghazal Provinces.
=V. inulæfolia= _Steud._
Erect scabrous herb, 1-2 ft. high. Leaves ovate, or upper lanceolate, distantly serrulate 1-4 in. long; petioles somewhat clasping at the base, 2 lines long. Heads ab. ½ in. diam., many-flowered, in small terminal corymbs, 1½-3 in. diam.
Bahr El Ghazal Prov. (Jur Ghattas).
=V. infundibularis= _O._ & _H._
Tall glabrous herb. Leaves linear to linear-oblong, entire, 1-3½ in. long, subsessile. Heads turbinate, many-flowered, 1-1½ in. diam, bluish violet, solitary or few together on peduncles up to 2½ in. long.
Bahr El Ghazal Prov. (Niamniam-land: near Kulensho).
=V. Schweinfurthii= _O._ & _H._
Perennial branching from a woody stock, ab. 1 ft. high. Leaves linear, subsessile, almost glabrous, ½-2 in. long. Heads turbinate- hemispherical, reddish violet, ab. ½ in. diam., on peduncles up to 3 in. long, solitary or in corymbose cymes.
Bahr El Ghazal Prov. (Bongo, Jur & Mittu lands).
=V. gerberæformis= _O._ & _H._
Dwarf perennial ab. 6 in. high. Leaves radical, oblanceolate, denticulate, glabrous, 4-6 in. long. Scapes up to 1½ in. long, bearing 1 or more linear bracts. Heads widely-campanulate, ab. 1 in. long, solitary erect. Fl. bluish.
Bahr El Ghazal Prov. (Bongo-land: Addai).
=V. Kotschyana= _Sch. Bip._
Tall erect herb. Leaves oblong-elliptical to oblanceolate, 2-6 in. long. Heads 1½-2 in. diam., solitary or in lax terminal cymes; cor. violet; inner scales of invol. wavy-linear-lanceolate, scarious.
Fung Prov.; Kordofan Prov. (Mulbes); Upper White Nile Prov. (from Sobat south); Bahr El Ghazal Prov. (Bongoland); Mongalla Prov.; Darfur Prov. (Kulme).
=V. firma= _O._ & _H._
Herb; branches grooved, softly tomentose. Leaves elliptical, narrowed both ends, serrate-dentate, green and glabrous above, pale, tinged with red beneath. Heads campanulate, many-flowered ab. ½ in. diam., in a stiff corymbose cyme, leafy below, 6 in. diam; fl. rose-blue, ½ in. long.
Bahr El Ghazal Prov. (Niamniam-land: by the Linduku stream).
=V. pumila= _Kotschy_ & _Peyr._ BUTRUNGU—Golo.
Dwarf herb from perennial rootstock, 2-4 in. high, more or less leafless at flowering time. Heads 1-1½ in. diam., solitary or cymose; fl. purple.
Bahr El Ghazal Prov. (grassy plains); Bahr El Jebel (Madi woods).
=V. Aschersonii= _Sch. Bip._
Diffuse shrubby herb, ab. 1 ft. high, extremities and leaves white pubescent. Leaves oblanceolate, sessile, up to 1½ in. long. Heads campanulate, ab. 20-flowered, ⅓ in. broad, on slender pedicels, ab. 1 in. long, in numerous lax terminal cymes; cor. purple.
Darfur Prov. (Prairies 20-80 m. N.E. of El Fasher); Red Sea Prov. (near Talug Hilla).
=V. theophrastifolia= _Schwfth._
Ab. 15 ft. high. Upper leaves oblanceolate, denticulate, obtuse, base sessile auricled amplexicaul, scurfy above, puberulous beneath, 13½ in. long. Heads subsessile, ab. 8-flowered, clustered 1-4 together, campanulate, ¼ in. long.
Bahr El Ghazal Prov. (Niamniam-land: by the Nabambisso River).
=V. Thomsoniana= _O._ & _H._
Shrub with grooved, obscurely angular branches. Leaves elliptic-oblong, attenuate to the narrow-winged petiole, 3-4 in. long. Heads ⅙ in. diam., campanulate-oblong, closely crowded in corymbose terminal panicles, 6 in. across.
Bahr El Ghazal Prov. (Mittu-land: below Kero & Reggo); Bahr El Jebel (Madi); Darfur Prov. (Kulme?).
=V. conferta= _Benth._
Tree, 20-25 ft. high with stout tomentose branches. Leaves obovate or elliptic-oblong, sinuous, thinly tomentose beneath, 1-3 ft. long. Heads ⅓ in. long, 10-18-flowered, in spiciform racemes arranged in ample terminal panicles; cor. greenish-white.
Belgian Congo (Niamniam-land: by the Diagbe River).
=V. sp.=
Small tree. Leaves oblanceolate, 2-2½ in. long, stellate-pubescent, denticulate. Heads cymose. Bracts chaffy. Achenes deeply grooved, pubescent Pappus straw-coloured.
Bahr El Ghazal Prov. (on alluvium at Tonj, N. 313 S.G.H.).
=V. sp.=
Weak herb. Leaves obovate, remotely toothed, 2 in. long, softly pubescent. Invol. bracts linear, very acute, ⅙ in. long pubescent.
Mongalla Prov. (Bor. 1631 S.G.H.).
516 =Triplotaxis stellulifera= _Hutchinson._
Diffuse decumbent annual, 2 ft. high. Leaves alternate, ovate, ½ in. to nearly 2 in. long. Heads broad-campanulate, ab. ⅙ in. wide, ab. 20-flowered, in loose corymbose cymes; fl. violet.
Belgian Congo (Niamniam-land: by the Assika River).
517 =Elephantopus scaber= _Linn._
Erect villous or hirsute herb, 2-8 ft. high. Leaves alternate, oblanceolate to obovate-elliptic or oblong, crenate-serrate with minute mucros on the tips of the serratures, scabrid above, pubescent beneath, 4-8 in. long; petiole amplexicaul. Heads ½ to ¾ in. diam. with an involucre of 3-5 ovate rotundate bracts.
Bahr El Ghazal Prov. (Jur Ghattas).
Said to possess febrifugal and diuretic properties.
518 =Adenostemma viscosum= _Forst._
Herb, 2-4 ft. high. Leaves opp., ovate, cuneate at base, serrate or crenate-dentate up to 6 in. long; pet. up to 2½ in. long. Heads ab. ⅓ in. wide in usually viscous pubescent axillary and terminal panicles; cor. white.
Bahr El Ghazal Prov. (Niamniam-land: Tuhami’s Zeriba).
519 =Ageratum conyzoides= _Linn._
Hirsute herb. Leaves opp., or upper alternate, ovate, obtuse, base narrowed, crenate, 1-3 in. long. Heads ¼ in. diam., in dense terminal panicled corymbs. Fl. white to lilac or purple.
Khartoum Prov.; Fung Prov.; Bahr El Ghazal Prov. (Niamniam-land: by the Nabambisso River).
An invading weed in most parts of the Tropics.
520 =Eupatorium africanum= _O._ & _H._
Pubescent. Leafy herb, 2-4 ft. high. Leaves alternate, ovate or ovate- lanceolate, base rounded, 3-nerved, 3 in. long. Heads ab. 5-flowered, ⅙ in. wide, in dense terminal, corymbose cymes, 1½-4 in. broad. Fl. white or purple.
Bahr El Ghazal Prov. (Niamniam-land: south of Gumba).
521 =Mikania scandens= _Willd._
Twiner, ab. 40 ft. high. Leaves opp., from ovate to deltoid or hastate, base cordate or auricled, 1-5 in. long; pet. ½-5 in. long. Heads ab. ¼ in. long, subsessile in terminal and axillary corymbose panicles. Fl. purplish, white or pale yellow.
Belgian Congo (Niamniam-land: near the Mbrwole River).
_B. Flower-heads various, mostly_ (1) _heterogamous; outer (ray) florets, usually female, sometimes neuter, ligulate, tubular or filiform; inner (disk) florets tubular, hermaphrodite, rarely wholly sterile;_ (2) _homogamous by suppression of ray florets, tubular or campanulate and hermaphrodite;_ (3) _unisexual. Corolla white, largely yellow, but also pink, purple or blue._
522 =Microtrichia Perrottetii= _DC._
Pubescent herb, 1 ft. high. Leaves alt., obovate, coarsely toothed, 1½ in. long. Heads many-flowered, small, yellow, heterogamous. Fl. tubular, denticulate, disk campanulate 5-fid.
Bahr El Ghazal Prov. (Bongo-land: by the Tonj River near Addai).
523 =Dichrocephala latifolia= _DC._
Erect herb, 5 ft. high. Leaves alt., lyrate, 1½-3 in. long. Heads subglobose, heterog.; fem. fl. white, tubular, 2-3 dentate; hermaphr. fl. purple campanulate.
Mongalla Prov. (Yei River); Bahr El Ghazal Prov. (Niamniam-land).
524 =Grangea maderaspatana= _Poir._ RIMITH (Meshra El Zeraf)—Arab; RUBEL—Rashida; KEIRANI—Hadendowa.
Hairy herb up to 1 ft. Leaves alt., obovate, pinnatifid, ½-3 in. long. Heads yellow, small, 1-3 together, terminal or leaf-opposed, heterog.; fem. fl. narrow tubular, 2-4-fid; hermaphr. fl. campanulate, 4-5-fid.
Red Sea Prov.; Khartoum Prov.; Blue Nile Prov.; White Nile Prov. (Jebelein); Kordofan Prov.; Upper White Nile Prov. (Meshra El Zeraf); Bahr El Ghazal Prov. (Bongoland: Tonj River); Karawan.
The leaves are valued for their anodyne properties; they are also said to be stomachic and anti-spasmodic.
525 =Ceruana pratensis= _Forsk._
Hairy herb, 2 ft. high. Leaves alt., obovate, pinnatifid or coarsely toothed, base often clasping and auricled. Heads small, yellow cymose, heterog.; fem. fl. tubular, 2-4-fid; hermaphr. fl. campanulate, 5-fid.
North Sudan; Khartoum, Blue Nile & Kordofan Provinces.
526 =Felicia Richardii= _Vatke._
Wiry herb or shrub. Leaves alt., elliptic-oblong, 1 in. long, hispid. Heads solitary at ends of branches, heterog.; fem. fl. ligulate; disk fl. hermaphr. or wholly or partly sterile, tubular, 5-toothed; anthers petaloid, linear-oblong. Fl. white.
Darfur Prov. (J. Marra, 9,000 ft.).
527 =Microglossa volubilis= _DC._
Small shrub, sometimes scandent. Leaves alt., ovate-acuminate, 1-4 in. long, puberulous. Heads small, in cymes 2-8 in. wide, heterog.; fem. fl. ligulate, ligule narrow, white; hermaphr. fl. tubular, yellow.
Bahr El Ghazal Prov. (Niamniam-land: gallery wood near Kulensho)
528 =Conyza ægyptiaca= _Ait._ DINSÏS & NAKHSHASH EL DUBBAN—Arab.
Hairy herb, 1-3 ft. high. Leaves linear-oblong to spathulate, margin subentire to pinnatifid, base amplexicaul, 1-4 in. long. Heads small, in corymbose, axillary or terminal panicles, heterog.; fem. fl. filiform, whitish, ligule none; hermaphr. fl. tubular, 5-toothed, yellow.
Kassala Prov. (Gallabat); Blue Nile Prov.; Kordofan Prov.; Darfur Prov.; Upper White Nile Prov. (Sobat mouth); Bahr El Ghazal Prov. (Niamniam- land: near the Boddo River); Lake Rudolf.
=C. stricta= _Willd._
Woody herb, 1-2 ft. high. Leaves alt. linear, spathulate, pinnatifid or dentate, amplexicaul, hispid, ½ in. long. Heads many-flowered in dense corymbose cymes, heterog.; fem. fl. filiform-ligulate whitish; hermaphr. fl. tubular 5-toothed, yellow.
Red Sea Prov. (Erkowit); Darfur Prov. (J. Marra, 9,000 ft.).
=C. Hochstetteri= _Sch. Bip._
Stem creeping; branches erect, up to 2 ft. high. Leaves alt., oblong- lanceolate, auriculate-cordate, dentate, hairy, 1-2 in. long. Heads finally globose, in dense terminal cymes, ab. 1 in. diam., heterog.; female fl. filiform; hermaphr. tubular, 5-toothed.
Fung Prov. (Jongol’s Post).
529 =Blumea aurita= _DC._ BOFUFA—Zande.
Pubescent erect herb, 3 ft. high. Leaves alt.; radical leaves obovate or elliptical; cauline same or lyrate-pinnatipartite, auricled, 4½ in. long. Heads in corymbose terminal panicles, heterog.; fem. fl. filiform, disk fl. hermaphr. or sterile.
Nubia; Khartoum Prov.; Fung Prov.; White Nile Prov.; Bahr El Ghazal Prov. (Mittu-land, Kuraggera); Bahr El Jebel (Sudd 8° 40″); Mongalla Prov.
=B. abyssinica= _Sch. Bip._
Herb, 18 in. high. Leaves alt., linear, or lower oblanceolate, clasping. Fl. much as above.
Red Sea Prov. (21° N.L.).
=B. bifoliata= _DC._
Herb. Leaves glandular-pilose, oblong-lanceolate, toothed in the upper half, broad at the base, about 1 in. long. Heads in leafy panicles ¼ in. long. Bracts linear, pilose.
Fung Prov. (Fazoghli).
=B. lacera= _DC._
Pubescent herb, 4 ft. high. Leaves alt., obovate or oblanceolate, dentate, 1½ in. long. Heads purplish, in terminal panicles, heterog., as above.
Bahr El Ghazal Prov. (Mittu-land, & Gazelle River); Mongalla Prov. (Kenissa); Darfur Prov (J. Marra, Niurnya, 6,500 ft.).
The plant is used as a febrifuge, also to stop bleeding. Mixed with black pepper, it is given in cholera. An astringent eye-wash is made from the leaves.
=B. gariepina= _DC._
Small shrub covered with dense silky hairs. Leaves linear, decurrent, ½ in. long. Heads ⅓ in. long. Bracts subulate-linear. Flowers thread-like.
Darfur Prov. (J. Meidob).
530 =Laggera alata= _Schultz Bip._
Stout tomentose, glandular herb, up to 6 ft. high; branches winged. Leaves alt. elliptical or elongate-oblong, decurrent, dentate, up to 10 in. long. Heads many-fl., in terminal panicles, heterog.; fem. fl. filiform; hermaphr. fl. tubular, toothed.
Bahr El Ghazal Prov. (Dar Fertit, near Deim Bekir & Bongo-land, Sabbi).
=L. pterodonta= _Sch. Bip._
Stout viscid herb, 2-7 ft. high. Leaves alt., elliptic-oblong or lanceolate, decurrent, dentate, 6 in. long. Heads in terminal panicles, hermaphr., as above.
Fung Prov.; Bahr El Ghazal Prov. (Mittu-land, Kuraggera).
=L. crassifolia= _Schultz Bip._
Shrubby, 2-3 ft. high. Leaves alt., elliptic or oblong, glandulose- puberulous, decurrent, 2-3 in. long. Heads in terminal panicles. Fl. as above.
Fung Prov. (Fazoghli).
531 =Pluchea Dioscoridis= _DC._
Shrubby, 6 ft. or more. Leaves alt., oval to lanceolate, often auriculate-cordate, 1-2 in. long. Heads in terminal corymbose or globose panicles, heterog.; female fl. filiform; disk fl. tubular, mouth 3-fid, hermaphr. or sterile.
Kordofan & Darfur Provinces.
532 =Epaltes gariepina= _Steetz._ RIMITH (Kordn.)—Arab; OLEI—Hadendowa; UM MUSEG—Rashida.
Scabrid undershr.; branches winged. Leaves alt., linear-oblong, acute, decurrent, 2½ in. long. Heads 3-6 together at extremities, heterog.; fem. fl. tubular or filiform; disk fl. tubular, dilated above, hermaphr., often sterile.
Kordofan Prov. (J. Um Darrag); Darfur Prov. (60 m. east of El Fasher); Kassala Prov. (Um Adam).
533 =Sphæranthus suaveolens= _DC._ SAGHLIFT, FORGEYH, SIRR EL WARD—Arab.