24 RANUNCULACE.E. DELPHINIUM. 



ACONITUM. 



three-fourths inch long ; upper petals pale yellow and white and copiously 

 blue-veined: follicles glabrous, or when young puberulent, sometimes quite 

 erect, but usually recurving above. Dry ground, mountains of eastern 

 Oregon and Washington to Utah, Colorado and British Columbia. 



I), depanperatum Nutt. 1. c. Stem very slender, simple, 1-3 leaved : 

 leaves scarcely an inch in diameter, glabrous, the lower one flabelliform 

 or reniform : upper part of the stem and carpels minutely villous : raceme 

 1-7-flowered ; flowers deep blue, upper petals yellowish : follicles 5-6 lines 

 long, erect. Mountains of eastern Oregon and Nevada. 



D. trolliifolium Gray Proc. Am. Acad. viii, 275. Glabrous through- 

 out or the inflorescence sparingly villous, tall and stout, 2-5 feet high: 

 leaves large, long petioled, 5-7 lobed, the lobes laciniately cleft and 

 toothed with acuminate segments : flowers large, in a loose raceme : sepals 

 oblong-lanceolate, acuminate, 8-10 lines long, sparingly villous: follicles 

 glabrous, 6-8 lines long by two lines broad: seeds turbinate with a narrow 

 rim at the top. Common along streams from British Columbfa to Califor- 

 nia. Known as " Poison Larkspur." 



D. occidentale Watson. Glabrous or densely pubescent above, 4-6 

 feet high : leaves deeply 3-5 cleft, the divisions broadly cuneate some- 

 what o : lobed and sparingly gash-toothed, the teeth narrowing abruptly to 

 a callous point : flowers small in a many-flowered sparingly branphed pan- 

 icle: sepals spatulate acuminate attached by a broad base, 6 lines long or 

 more, follicles glabrous or sometimes pubescent : seeds light colored and 

 spongy. Subalpine in damp soil, from the Blue Mountains of Oregon to 

 Nevada. 



D. scopnlorum Gray PI. Wright, ii, 9. Glabrous below or throughout : 

 stems 1-6 feet high from a fascicle of thick roots ; leaves numerous, mostly 

 orbicular in outline, 2-3 inches in diameter, 5-7 parted, the lower into 

 cuneate and the upper into narrower cleft and lacmiate divisions : petio- 

 les, except the lowest, hardly dilated at base : bracts and bractlets mainly 

 filiform : racemes many flowered ; flowers blue varying to white or pink on 

 short erect pedicels ; sepals about half an inch long, about equaling the 

 spur : lower petals deeply notched and with the whitish upper ones but lit- 

 tle shorter than the oblong sepals: follicles not over half inch long, short- 

 oblong, erect : seeds with a loose cellular coat. Mountains of eastern 

 Washington (Sandbcrg No. 921} to the Rocky Mountains and New Mexico 



D. la n en in Watson Bot. Cal. ii, 427. Tall and stout, glabrous and 

 more or less glaucous: leavr-s large, laciniately lobed and toothed, the 

 lobes mostly acuminate, the upper leaves sparingly lobed or entire and 

 narrowly lanceolate: flowers pale blue, numerous in a narrow raceme, upon 

 slender and rather short pedicels, the somewhat minutely tomentose sep- 

 als rather narrow, about 6 lines long or less, follicles glabrous. From 

 Yakima county. Washington, to California and north to the Yukon river. 



D. Burkei Greene Eryth. ii. 183. Stems one or several, a foot 

 .high or more, erect, not slender, from a manifestly woody-fibrous 

 root, leafy at or near the base only : foliage and lower part of stem seem- 

 ing glabrous, though somewhat puberulent under a lens ; upper part of 

 stem and the inflorescence clot hed with a short villous-hirsiite pubescence : 

 leaves 2 inches broad, deeply parted into many linear and oblong-linear 

 obtusish segments, the textur 6 rather fleshy : raceme rather long and nar- 

 row, the pedicels being equal and quite erect : sepals deep blue, pubescent 

 exteriorly, spur rather long, usually blunt, nearly straight and horizontal; 

 petals conspicuously white, or perhaps ochroleucous : ovaries densely-ap- 

 pressed-villous : follicles unknown. "Snake Country" Idaho. Burke. 



* * Flowers scarlet. 



1). nudicanle T. & G. 1. c. Smooth or slightly villous, stems a foot or 

 two high; leaves mostly near the base, 1-3 inches in diameter, 3-5 lobed, 



