BOTANY 



WEST-CENTRAL CALIFORNIA. 



SERIES I. 

 FLOWERING OR PIL2ENOGAMOUS PLANTS. 



Plants producing flowers and seeds ; the former consisting, at least, of stamens and 

 pistils, which may be together in the same flower, or they may separately form staminate 

 and pistillate flowers growing on the same individual, or different individuals of one 

 species ; the latter containing a germ, or embryo. 



CLASS I. EXOGENS OB DICOTYLEDONS. 



Stems consisting of pith in the center, bark on the outside, and between these, fibrous 

 or woody tissue, which, in perennial stems, increases from year to year by the addition of 

 layers on the outside next the bark. Embryo usually of two opposite cotyledons, or rarely 

 with several in a whorl 



SUB-CLASS L ANGIOSPEBMS. 

 Pistil consisting of a closed ovary which forma the fruit. Cotyledons two. 



