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 L PaffiNOGAMOUS OR FLOWERING PLANTS. 

 CLASS! DICOTYLEDONS. 



SUBCLASS L ANGIOSPERMS. 



DlV. 1. POLYPETALOUS. 



Div. 2. GAMOPETALOUS. (Monopetalous,) 

 Div 3. APETALOUS. 



SUBCLASS IL GYMNOSPERMS. 



ClJUW H. MONOCOTYLEDONS. 

 Div. 1. SPADICEOUS. 

 Div. 2. PETALOIDEOUS. 

 Div. 3. GLUMACEOUS. 



SERDZS H. CRYPTOGAMOUS OR FLOWERLESS PLANTS. 



CLASS m. ACROGENS. 



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

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



CLASS IV. THALLOGENS OR THALLOPHYTES. 



