450 MINNESOTA BOTANICAL STUDIES. 
dular-pubescent: lower petals deeply lobed: pistils and fruits 
glabrous; seeds black with light wings. Sierra Nevada, Cali- 
fornia and San Bernardino mountains, altitude 6,000 to 10,000 
feet, north to Alaska (fT). 
328. D. glaucescens ‘Ryps. Mem. N- Y. Bot. Gard. 177i 
1gOO. 
Rootstock thickened: stem somewhat angled, plant finely 
pubescent especially above, or in age glabrate, somewhat glau- 
cous, I to 2 feet high: leaves divided to near the base into 5 to 
8 cuneate divisions, these generally deeply 3-cleft: raceme 
simple, rather short, lower bracts linear, longer than the flowers, 
the upper ones subulate; pedicels and flowers densely pilose, 
pedicels spreading: flowers dark blue or variegated with white, 
somewhat nodding; spur straight, equalling the sepals; upper 
petals yellowish white, tipped and tinged with blue: ovaries 
densely hairy ; fruit notseen. Rocky places, Cedar mountains, 
Montana, and Yellowstone Park. Differs from D. g7aucum in 
its shorter and more pilose inflorescence, lower and more tufted 
habit, and in hairy ovaries (f). 
Var. multicaule Ryps. Mem. N. Y.. Bot. Gard. 22\a5@ 
1900. 
More bushy than the type and less pubescent: leaf segments 
longer and narrower: flowers smaller; spur curved. Rock 
slides, Cedar Mt., Montana (ft). 
39. D. Nuttallii Gray, Bot. Gaz. 12:54. 1887. 
D. exaltatum var. Nuttallit Hutu, Delph. N. Am. g. 
1892. 
D. Columbianum GREENE, Erythea, 2: 193. 1894. 
D. simplex Nutt. ex Huth, Bot. Jahrb. 20: 472. 1895. 
Stem erect, simple, nearly glabrous, leafy, 14 to 24 feet high: 
leaves thinnish, 3—5-parted, parts divided into many linear-ob- 
long lobes: racemes long, many-flowered; sepals deep blue, 
ovate, sparingly pubescent, shorter than the spur; petals blue 
or upper ones yellow, lower ones white-bearded: follicles 3, 
pubescent, rather erect; seeds thin, dark with yellow wings. 
Summer. Low open woods, Columbia River. 
Var. leucopheum n. var. 
D. leucopheum GREENE, Erythea, 3: 118. 1895. 
A slender whitish plant, with sepals and lower petals white, 
upper petals blue. Oregon (f). 
