344 TAXONOMY. 



cryptogamous orders. A synoptical view of the great divi- 

 sions only, as at present received and named, is appended. 

 Definitions and characters may be sought in the present and 

 preceding chapters. 



SERIES I. PH^ENOGAMOUS OR FLOWERING PLANTS. 

 CLASS L DICOTYLEDONS. 



SUBCLASS I. ANGIOSPERMS. 



Div. 1. POLYPETALOUS. 



Div. 2. GAMOPETALOUS. (Monopetalous.) 

 Div 3. APETALOUS. 



SUBCLASS II. GYMNOSPERMS. 



CLASS II. MONOCOTYLEDONS. 

 Div. 1. SPADICEOUS. 

 Div. 2. PETALOIDEOUS. 

 Div. 3. GLUMACEOUS. 



SERIES II. CRYPTOGAMOUS OR FLOWERLESS PLANTS. 



CLASS III. ACROGENS. 



Div 1. VASCULAR. (Ferns and their allies.) 

 Div. 2. CELLULAR. (Mosses and Liverworts.) 



CLASS IV. THALLOGENS OR THALLOPHYTES. 



