Davis: DELPHINIUMS OF NORTH AMERICA. 445 
ened. Florida to South Carolina, west to Missouri, Arkansas, 
and Mississippi. Paxt. Mag. 16: 258. 
Var. album Horr. 
A garden variety, somewhat taller: leaves larger and with 
broader divisions: flowers creamy-white. There is a double 
form of this not much used in the trade. 
Var. vimineum Gray, Bot. Gaz. 12:52. 1887. 
D). vimineum D. Don, in Sweet’s Brit. Fl. Gard. II, 4: 
ui (Loo. 
me errescens GRAY, Pl. aindh. 271142.'' 1850. 
Very slender and tall, more branched, and with looser inflo- 
rescence than the type: seeds larger, transversely winged or 
deeply and thinly wrinkled. Gulf region of Louisiana and 
Mexas. Bot. Mag. 3593. Bot. Reg. ‘13: 1999 (as D. azu- 
reum) (t+). 
27. D. Oreganum Howe tu, Fl. N. W. Am. 1: 22. 1897. 
Tuber flattish, somewhat branched: plant finely pubescent, 
stem often slender, 1 to 2 feet high, sparingly leafy : leaves dis- 
sected into acute linear lobes: racemes rather open: flowers 
large, blue; sepals broadly lanceolate, shorter than the slender 
spur, and longer than the petals; upper petals yellow or white 
at tip, lower ones blue, truncate, bearded: follicles 3 to 4 lines 
long, 1 line broad, densely tomentose, not spreading; seed tri- 
angular with rounded and rugose back, and truncate summit. 
Open places. Willamette valley, Oregon. It differs from D. 
Carolinianum chiefly in its open paniculate inflorescence, its 
very small follicles, few stem leaves, and its seed characters (f). 
28. D. Geyeri GREENE, Erythea, 2: 189. Dec., 1894. 
This differs from JD. camporum in the color of the flowers, 
which are almost wholly blue, and in having the upper branch- 
lets much larger than in that species: seeds somewhat winged 
and roughened. High plains, western Nebraska and Kansas, 
west to the mountains (fT). 
Var. Wootoni n. var. 
D. Wootont Rrvs. Bull. Torr. Club, 26: 587. 1899. 
This southern variety is intermediate between D. camporum 
and J. Geyer? in the size of its upper branchlets: sepals blue or 
bluish, petals white or nearly so. Arizona and New Mexico (f). 
