312 RANUNCULACE AE 



_ J 



V 



21. D. Geyeri Greene. Stem 2-7 dm. high, leafy mostly towards the base; 

 leaves grayish strigose; blades 5-8 cm. broad; sepals deep blue, oblong to oval 

 1-1.5 cm. long; upper petals yellow, tinged with blue, 6btuse or acutish, entire 

 the lower deep blue, with smuate obtuse lobes; follicles about 15 mm long 



nearly straight, canescent. Dry mesas and rocky hills: Colo.— Wyo.— Utah 

 oubmont. My-Jl. 



uJL?' *=,"C„^"at"^ A Nels Stem &-15 dm. high, finely puberulent above; 

 leaf-blades 1-2 dm. broad, finely puberulent; inflorescence narrow and dense' 

 sepa s pubescent, but not glandular; upper petals yellowish, undivided; lower 

 petals blue with obtuse sinuate lobes; follicles about 15 mm. long, villous thick, 

 straight (?) D abietinum Tidest. Wet meadows: Mont.— Ida.— Utah— Colo 

 ciubmont. — Mont. Jl-Au. 



23. D. canmorense Rydb. Stem more than 5 dm. high; leaf-blades 8-10 

 cm densely puberulent; sepals acute, fuUy 1 cm. long, strigose outside; upper 

 petals brownish; lower petals dark blue, with lanceolate acute lobes. Rocky 

 moimtains: Canmore, Alta. Mont. Jl. 



+1, 24. D. robustum Rydb Stem leafy, often 2 m. high or more, puberulent 

 throughout, often 1 cm. in diameter at the base; leaf-blades puberulent on both 

 Sides divided to the base into 5-7, twice cleft segments; ultimate lobes linear; 

 sepals dark blue paler at the base, all except the upper one obtuse, 12-15 mm. 

 long; upper petals narrow, light bro\\Tiish ; lower petals with slender claws bent 

 at right angles bearded only within; follicles densely pubescent. Meadows: 

 Colo.— -N.M. Submont.—Mont. Jl-Au. 



1 ?b ?• ®i9^f a*um Rydb. Stem tall, slightly strigose in the inflorescence; 

 leaf-blades digitately divided into about 7 divisions, glabrous and glaucous 

 beneath; ultimate lobes lanceolate, acute; sepals and petals dark blue, the former 

 oval, about 1 cm. long; follicles erect, 12-15 mm. long, strigose-puberulent. 

 HiUs and mountains: Colo.— Mont.— Alta. Submont.—Mont. Au. 



Ki •^?' P 'c^^^^^r^^^'^^ ^*^™ ^^t'^^ 2 m. high, often tinged purplish or 

 bluish ; leaf-blades glabrous above, finely puberulent beneath, divided to near the 

 base into 5-7 cleft segments; ultimate lobes oblong or lanceolate; inflorescence 

 with slender branches, puberulent; sepals dark blue, slightly brownish at the 

 base, about 1 cm. long, ovate, puberulent; upper petals dkty white, tinged %\ath 

 brown and blue, about 8 mm. long; lower petals dark blue, bearded, only slightly 

 .^-lobed at the apex; folhcles 12-15 mm. long, somewhat spreading and with 

 divaricate beaks. Canons: Colo.— Wyo. Submont.—Mont. Jl. 



J^V ?{,T^j°^^" ^^*^'^- ^^^"^ ^^^^^ 1 ™- high, glabrous and shining through- 

 out; leal-blades palmately divided into about 5 divisions, puberulent; divisions 

 4r-b cm. long, oblanceolate in outline, cleft into lanceolate, acute, somewhat 

 spreading lobes; inflorescence a rather lax raceme; sepals dark blue or purple, 

 oblong-oval, obtuse, 10-12 mm.long; lateral petals also blue or purplish; upper 

 petals of the same color or paler, acute; follicles erect, glabrous. Meadows: 

 bask. — Mont. — Alaska. Submont. Jl-Au. 



28. D. viscidum Rydb. Stem about 3 dm. high, grayish strigose below, 

 densely glandular-viscid above; leaf-blades 5-7 cm. broad, densely grayish 

 strigose; inflorescence branched; sepals dark blue, 12-15 mm. long, oblou"- acute- 

 upper petals yellowish, tinged with blue, obtuse, enthe; lower petals dark blue' 

 with obtuse smuate lobes; spur 10-12 mm. long, somewhat S-curv-ed. Plains: 

 Wyo. Plain. Jl-Au. 



u ,^^" P- niultifloruin Rydb. Stem about 1 m. high or more, glabrate 



5-7 



and 



inflorescence long and dense, often branched ; sepals Ught blue, with darker median 

 hues or blotches towards the tips, oblong-oval, obtuse, or the upper acutish, finely 

 puberulent; petals of the same color as the sepals; follicles erect. Along streams 

 damp meadows, etc.: Wash.— Ida.— Colo. Submont.—Mont. Jl-Au. 



30. D. occidentale S. Wats. Stem 1 m. or more high, glabrous below; leaf- 

 blades 1-1.5 dm. wide, pubescent on both sides, divided into 3-7 rhombic, twice 



