1a § ‘ Key for plants in flower. 
Oo fa,Flowers purple 
; ya p. Leaves twice ternate, the ultimate segnents ovate, 
6 3-6 cme long 
2? Leaves 4-5 times pinnately dissected into segments 
6 1-6 mm. long 
0 |b. Flowers yellow or greenish yellow ksee—trd_catege ) 
2 Some basal leaves usually simple, cordate 
2 All leaves more or less divided 
4 Leaves palmately divided; ovaries covered with 
8g hooked bristles 
q Leaves ternately or pinnately divided 
{ Osmorhiza 
<a 
2. Leptotaenia 
g Zizia 
4. Sanicula 
