CHAPTER III

.--FORMATION OF A SYSTEM OF ARRANGEMENT OF PLANTS.

_Sect._ 1. Prelude to the Epoch of Cæsalpinus. 369 _Sect._ 2. Epoch of Cæsalpinus.--Formation of a System of Arrangement. 373 _Sect._ 3. Stationary Interval. 378 _Sect._ 4. Sequel to the Epoch of Cæsalpinus.--Further Formation and Adoption of Systematic Arrangement. 382

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