CRUCIPERAE 

 OP THE 

 CAYUGA PLORA 

 ARTIPICIAL KEY 

 (Hoit Using IVuit Characters*) 



A. Perennial, v^ith thick roots and very large leaves' G. 23, B. 18.*^ 



Radlcula (Roripa) . 

 sp* naaturtix;ip-aauaticum « ^■j 

 AA. Perennial, aquatic; stems spreading, rooting at the nodes. , 



J3o», sp« armoraci-a * .^ 



AAA. Perennial by rhizomes, some species tuberous* 



B. Jlowers yellow, leaves pinnately divided* Do*, sp. sylvestrig. 

 B13, Jlowers white or purplish, leaves not pinnate* 



C. Leaves entire oi- subentire, basal leaves orbicular 

 or rhombic* G. 50^ B. 19. Cardamine* 



spp* bulbosa and do^-glo-ssii* 

 CC. Leaves palmately divided; cauline leaves 2-3, 



rarely more* G* 29, B« 2®* Dent aria * 



iAAA. Uot rhizomatous; fibrous-rooted or tap-rooted, rarely perennial* 



^'The numbers given for the genera refer t© Gray's New Manual 

 of Botany (G.) and Britten's Manual of the Ilora of the Northern 

 States and Canada (B.) 



