THE COMMONLY OCCURRING 



WILD PLANTS OF CANADA. 



SEEIES I. 



FLOWERING OR PHANEROG'AMOUS 

 PLANTS. 



Plants producing flowers (that is to say, stamens and 

 pistils, and usually floral envelopes of some kind), and 

 seeds containing an embryo. 



Class I. DICOTYLE'DONS. 



Embryo having at least two cotyledons. Parts of the 

 flower usually in fours or fives. Leaves net-veined. 

 Wood in circular layers between the pith and the bark. 



Sub-class I. AN'GIOSPERMS. 

 Seeds enclosed in a seed-vessel or pericarp. 



I. POLYPET'ALOUS DIVISION. 



Plants with flowers having both calyx and corolla, the 

 latter consisting of petals entirely separate from each 

 other. (In some genera and species, however, petals are 

 absent.) 



