SPERMATOPHYTA— RANUNCULACEAE 



461 



Distribution. The Prairie Larkspur is common on sandy soil, gravelly 

 knolls and prairies of Illinois and Wisconsin to Manitoba, Kansas and Arkan- 

 sas. 



7. Delphinium Geyeri Greene 



A hairy perennial 1-2 feet high; leaves dull green, somewhat branched; 

 flowers in dense racemes, azure blue. 



Distribution. Common on the high plains of Colorado to Montana. 



Fig. 235. Carolina Larkspur 

 (^Delphinium Penardi). Like 

 other species of this genus it 

 is poisonous. Common on prai- 

 ries and gravelly soil. (Ada 

 Hayden.) 



Fig. 236. Purple Larkspur {Delphinium bicolor) 

 is found in Montana and Westward. Poisonous. 

 (Chesnut, U. S. Dept. Agr.) 



Delphinium Mensiesii DC 



Glabrous below, at least at the very base, pubescent above with spreading 

 hairs, especially the inflorescence; leaves S-parted, divisions 2 to 3-cleft; flowers 

 large, deep-blue, in a loosely few to many-flowered simple raceme ; upper petals 

 veined with purple ; spur long and slender ; ovaries somewhat tomentose. 



Distribution. Common from San Francisco, California, north to British 

 Columbia, Idaho, Montana and Wyoming. 



