154 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Leaflets not linear. 
Lateral wings not as broad as body; California... ----- 13. A. californica. 
Lateral wings broader than body; Eastern.-......-------- 14. A. curtisii. 
Ovary or fruit not glabrous. 
Pedicels glabrous or nearly so; eastern Washington. .......--- 15. A. canbyi. 
Pedicels hispid. 
Fruit oblong or narrowed below; leaflets acuminate; eastern California and 
adjacent Nevada.......---.--------------++------ 16. A. breweri 
Fruit broad elliptical; leaflets acute; Utah..........-.---- 17. A. wheeleri. 
OIL TUBES several in the intervals or continuous about the seed; Eastern species 
(except A. ampla). 
Oil tubes several in the intervals; seed adherent to pericarp......- 18. A. villosa. 
Oil tubes continuous about the seed, which is loose in the pericarp. 
Stout, with purple stems. 
Inflorescence glabrous; lateral wings half as broad as body; North Atlantic 
region .....---.---------+---- 0+ +--+ -e- 19, A. atropurpurea. 
Inflorescence puberulent; lateral wings but one-sixth as broad as body; Rocky 
Mountains .......-.------------------------------ 20. A. ampla, 
Slender; lateral wings as broad as body; Florida....-.-.------- 21. A. dentata. 
1. Angelica grayi C. & R. 
Selinum grayi C. & R. Bot. Gaz. 13: 144. 1888. 
Usually very stout, 3 to 6 dm. high, glabrous except the more or 
less scabrous inflorescence, leaf margins, and veinlets (beneath); leaves 
once or twice pinnate, with much-dilated petioles; leaflets oblong to 
ovate, 2.5 cm. long, acute, toothed (sometimes laciniately toothed or 
lobed); umbel with involucels of conspicuous lanceolate-ovate long- 
acuminate bractlets; rays 2.5 to 3.5 cm. long; pedicels 2 to 4 mm. long; 
fruit oblong, smooth, 4 to 5 mm. long, with prominent thin wings, the 
laterals decidedly broadest; seed face dorsally sulcate. 
Type locality, Westons Pass, ‘‘in high mountains of Colorado,” 
altitude 3,450 meters; collected by J. JL Coulter, July 19, 1873; type 
in Herb. Coulter. 
High mountains of Colorado and adjacent Wyoming. 
Specimens examined: 
Cotorapo: Type specimens as cited under type locality; Twin Lakes, altitude 
2,850 meters, Wolf 712, August, 1873; Pikes Peak, altitude 2,700 meters, 
Letterman 224, August 13, 1884; Graymont, Letterman, July 23, 1885; La Plata 
Mountains, Alice Eastwood, July 23, 1890; above Beaver Creek, altitude 3,450 
meters, Crandall 19, August 1, 1892; Telluride, altitude 8,300 meters, Tweedy 
207, August 25, 1894; North Park, Osterhowt, June, 1895; mountain near 
Boreas, altitude 3,600 meters, Cowen 190, August 2, 1895; Gore Mountains, 
altitude 2,850 meters, Bethel, August, 1895; Chambers Lake, altitude 2,850 
meters, Baker, July 13, 1897; La Plata Mountains, altitude 3,250 meters, 
Baker, Earle & Tracy 639, July 16, 1898. 
Wyomrina: La Plata mines, Nelson 1776, August 21, 1895. 
9. Angelica pinnata Watson, Bot. King Surv. 126. 1871. 
Glabrous, 6 to 9 dm. high; leaves simply pinnate, with 2 to 4 pairs 
of ovate to narrowly lanceolate sharply serrate to entire leaflets (low- 
est pair sometimes pinnate); umbels 10 to 20-rayed, with neither 
> 
