104* POPULAR FLORA. 



alluded to. So also are tlie Ciyptogamous or Flowerless Plants, as already 

 mentioned. To save room, when there is only one sjoecies, or only one common 

 species, to a genus, we do not proceed any farther with it than to the name of the 

 genus, both scientific and popular. 



Under the species the I^nglish or popular name is placed foremost, in small capi- 

 tals ; the scientiiic or Latin name at the end. The scientific names throughout are 

 l)rinted in italic letters. 



Full instructions for using the Flora in studying plants are given in Chapter 

 IV. Section IV. ; at the close of which, the few abbreviations and signs employed 

 are explained. 



Classes and other great Divisions. 



Page 



Series I. FLOWERING or PHiEXOGAMOUS PLANTS, 105 



Class I. EXOGENS or DICOTYLEDONS, 105 



Subclass I. ANGIOSPERMS, 106 



polypetalous division, 106-160 



moxopetalous division, 161-189 



Apetalous Division, 190-200 



Subclass II. GYMNOSPERMS, 201 



Class II. ENDOGENS or MONOCOTYLEDONS, 203 



Spadiceous Division, 205 - 206 



Petaloideous Division, 206-215 



Glumaceous Division, 215-216 



Series IL FLOWERLESS or CRY^PTOGAMOUS PLANTS, 216 



Class III. ACROGENS, 216 



Class IV. ANOPHYTES, 216 



Class Y. THALLOPHYTES, 216 



