
166 Ranunculaceae 
C. Flowers blue or purplish. 
D. Roots fasciculate, elongate, not tuber-like. 
FE. Leaves 5—7.5 cm. wide; stem 3—18 dm. high. 
F. Leaf-segments laciniately many-parted, the lobes linear. C. beet 
s€opulorum stachydeum. ) 
[. scopulorum Gray 
FF. Leaf-segments 5-9, the segments and their divisions oblong to obo- 
vate-cuneate. 
G. Mature follicles viscid-pubescent. E. \ 
L. reticulatum Nels. 
GG. Mature follicles glabrous. 
H. Inflorescence glabrous. E. (D. glaucum.) 
L. scopulorum glaucum Gray t 
HH. Inflorescence tawny-pubescent and somewhat viscid. E. i: 
subalpinum. ) 
D. scopulorum subalpinum Gray 
EF. Leaves 2.55 cm. wide; stem 3—6 dm. high. E. 
D. andersoni Gray 
DD. Roots thickened, forming irregular tubers. 
I. Plant pubescent thruout. E. (D. oreganum.) 
TD. simplex Dougl. 
II. Plant glabrous or nearly so. E. (D. simplex distichiflorum; D. 
burkei.) I. distichum Gey. 
CC. Flowers greenish. FE. 
D. viridescens Leib. 
BB. Most of the pedicels longer than the flowers and the fruit. 
J. Mature icllicles 6.5—12.5 mm. long. 
K. Stem 1—7-flowered, only 1—3-leaved. C. E. (D. nuttallianum. ) 
DB. depauperatum, Nutt. 
KK. Stems many-flowered, more than 3-leaved. 
L. Stem glabrous or nearly so; sepals 2/3 as long as the spur. W. C. E. 
LD. columbianum Gr. 
LL. Stem puberulent or hirsute-pubescent below; sepals about as long. as 
the spur. W. (D. leucophaeum.) 
D. hesperium, Gray 
JJ. Mature follicles 13—25 mm. long. 
M. Plant pubescent, 1.5—-6 dm. high. W.C. E. (D. pauperculatum.) 
T, menziesii DC. 
MM. Plant glabrous or only the inflorescence hairy. 
N. Plant 1.5—3 dm. high; leaves rarely over 2.5——5 cm. wide; leaf- 
segments obtuse. W. C. E. 
TE. bicolor Nutt. 
NN. Plant 6—18 dm. high; leaves often 10—15 cm. wide; leaf-segments 
acute. W. E. LD. trolliifolium Gray (Poison Lark-spur) 
AA. Flowers scarlet or orange. 
C. Flowers pale yellow. E. 
DB. xantholeucum Pip. 
OC. Flowers ted: « W. C. 
) D. nudicaule T. & G. 
