CROWFOOT FAMILY 307 



long, truncate; spur 12-18 mm. long; follicles erect, densely pubescent. Meadows 

 and open woods: Alaska Ore. 'Ida. Alta. Submont. -Mont. My-Au. 



8. A. formosa Fisch. Very similar to the last; leaflets often 4 mm. long; 

 sepals about 2 cm. long, ovate-lanceolate, acuminate; lamina yellow, 6-10 mm. 

 long, truncate; spur 12-18 mm. long, more gradually tapering; fruit as in the 

 preceding. Wooded hillsides and banks of streams: Alaska n Calif. Mont. 

 Submont. Mont. Je-Au. 



Aquilegia flavescens X formosa. This resembles A. flavescens most in habit and the 

 shape of the flowers, but the sepals and spurs are more or less tinged with red. Mont. 



9. A. latiuscula Greene. Stem 2-6 dm. high, glabrous or sparingly glandu- 

 lar-pubescent above; leaves biternate; leaflets obovate or cuneate, 2-4 cm. long, 

 deeply 3-cleft and round-lobed or crenate, glaucous beneath; sepals ovate-lance- 

 olate, acute, 10-12 mm. long, purplish red; lamina 8-10 mm. long, yellow, rounded 

 at the apex; spur 12-15 mm. long, abruptly narrowed at the middle, more or less 

 incurved; follicles pubescent, about 2 cm. long. A. vulgaris hybrida Hook. A. 

 vulgaris violacea Nutt. Closely related to A. coccinea Small. Open woods: 

 Iowa Kans. S.D. Plain Submont. 



10. A. rubicunda Tidest. Stem 1-3 dm. high, pubescent; basal leaves 

 long-petioled, triternate; leaflets 1 cm. long or less, truncate or cuneate at the 

 base, with rounded lobes; sepals ovate, acute, reddish, 1 cm. long or less; lamina 

 of the petals pale yellow, 5-7 cm. long, rounded; spur 2 cm. long. Among rocks: 

 Utah. Mont. 



11. A. elongatula Greene. Stem 2-4 dm. high, usually with but a single 

 leaf; leaves biternate; leaflets 1.5-2.5 cm. long, deeply 3-cleft and again round- 

 lobed; sepals erect, ovate-lanceolate, acute, greenish or scarlet, about equalling 

 the lamina; this rounded or truncate at the apex, yellow, 8-10 mm. long; spur 

 scarlet, straight, 1.5-2 cm. long. Closely related to A. canadensis L. Wooded 

 hillsides, especially in rocky places: Colo. N.M. Utah. Submont. Subalp. 



12. A. micrantha Eastw. Stem 4-5 dm. high, densely glandular-pubescent 

 above; leaves biternate, the upper reduced and more simple; leaflets broadly 

 cuneate, 1-2 cm. long; sepals oval, about 1 cm. long, yellowish or tinged with 

 red; lamina truncate, 7-8 mm. long; spur straight or slightly recurved, 12-15 

 mm. long; follicles glandular, about 1.5 cm. long, arcuate-spreading above. 

 Canons: s Utah. Son. Jl. 



Aquilegia elegantula X micrantha. This resembles A. micrantha most, but the spurs 

 are less slender and as well as the sepals tinged with red. se Utah. 



13. A. flavescens S. Wats. Stem 2-7 dm. high; leaves biternate, or 

 the upper only ternate or simple; leaflets 2-4 cm. long, 3-cleft and round-lobed; 

 sepals light yellow or ochroleucous, or tinged with scarlet, lanceolate, 10-18 

 mm. long; lamina cream-colored, 5-8 mm. long; spur 10-15 mm. long, usually 

 slightly incurved-hooked ; follicles about 2 cm. long, pubescent. A. canadensis 

 aurea Regel. A. aurea Junka. A. depauperata M. E. Jones. Open woods: 

 B.C. Ore. Utah Wyo. Alta. Submont. Mont. Je-Au. 



14. A. coerulea James. Stem 2-6 dm. high, from glabrous or nearly so 

 to glandular-pubescent above; leaves except the uppermost biternate; leaflets 

 deeply 2-3-cleft and round-lobed, 1-3 cm. long, glabrous; sepals 2-4 cm. 

 long, blue, rose, or white, ovate-lanceolate; lamina 1.5-2.5 cm. long, rounded 

 at the summit, white or cream-colored; spur straight, 3-5 cm. long; follicles 

 about 3 cm. long, pubescent. A. leptocera Nutt., white-flowered form. COLO- 

 RADO STATE FLOWER. Woods and hillsides: N.M. Mont. Ida. Calif, (in 

 Mont, and Ida., mostly represented by the white form). Submont. Subalp. 

 Je-Au. 



A. coerulea X elegantula. This resembles A. coerulea, but the flowers are smaller, the 

 spurs and sepals shorter and tinged with red. se Utah. 



A. coerulea X flavescens. Like A. flavescens, but usually lower, with large pale yellow 

 flowers, longer spur and sometimes slightly tinged with blue. Utah. 



15. A. scopulorum Tidest. Stem 1-2 dm. high, glabrous or somewhat 

 pubescent above; basal leaves biternate; leaflets crowded, sessile, 1 cm. long or 



