522 



RANUNCULACEAE 



material of this species from Vancouver Island. Our form, moreover, is insuffi- 

 ciently distinguished from the Californian phases of D. pauciflorum. 



Locs. Rowe's Sta., Mendocino Co., Chandler 1051; Horse Prairie, Trinity Summit, Jepson 

 2050; Dorleska, Salmon Mts., Hall 8596; Marble Mt., Jepson 2840; Yreka, Butler 642; Goose- 

 nest foothills, Butler 901 ; Modoc Co., M. S. BaTcer. 



Kef. DELPHINIUM MENZIESII DC. Syst. 1: 355 (1818), type loc. region of Puget Sound, 



Menzies. . 



6. D. pauciflorum Nutt. Stems low (5 to 15 inches high), slender, mostly 

 simple, few-leaved, arising from a fascicle of oblong or fusiform tubers ; leaves 

 pedately divided into nearly distinct segments; segments linear or lanceolate 

 (sometimes oblong), entire or some of them 1 or 2-toothed, 6 to 12 lines long; 

 racemes few, 2 to 8 (rarely more) -flowered; pedicels spreading, 4 to 12 lines 

 long ; flowers blue to pink purplish ; sepals 4 to 6 lines long, much shorter than 

 the slender spur; follicles pubescent, short-oblong (4 to 6 lines long), more or 

 less spreading at tip in age ; seeds margined on the quadrate summit but not on 

 the angles. 



Sierra Nevada, 5000 to 9100 feet, mainly from Yosemite Park northward. 

 North to Washington and east to Colorado. May-July. 



Locs. Snow Creek, Yosemite Park, Hall 9185; Squaw Valley, Placer Co., Sonne; Mt. 

 Tallac, Hall fy Chandler 4636; Donner Lake, Heller 6940; Webber Lake, Kennedy; se. Siski- 

 you, Hall $ BabcocK 4124. Perhaps also at head of Kern Eiver (cf. Bot. Cal. 1: 11, sub "D. 

 depauperatum ") . 



Refs. DELPHINIUM PAUCIFLORUM Nutt.; T. & G. Fl. 1: 33 (1838), Rocky Mts. and Blue 

 Mts. of Ore., Nuttall. Var. nevadense Gray, Syn. Fl. I 1 : 50 (1895), type spms. from Cisco, 

 Bolander, and Plumas Co., B. M. Austin. D. decorum var. nevadense Wats. Bot. Cal. 1 : 11 

 (1876). D. sonnei Greene, Pitt. 3: 246 (1897), type loc. Truckee, Sonne. 



1. D. trolliif olium Gray. Cow POISON. Stems coarse, 4 to 6 feet high ; herb- 

 age glabrous; leaves thinnish, 2y 2 to 5 lines broad, orbicular in outline, 5 to 7- 

 cleft into cuneate segments, the segments incised or with rounded teeth, the 

 upper leaves with acute teeth or segments; racemes very loose below, some- 

 times dense above, % to 1 or 2 feet long; pedicels widely spreading, 1 to 1% 

 inches long, or the lowermost 3 to 5 inches long, hairy or glabrous; bractlets 

 narrowly lanceolate, 2 to 4 lines long; flowers deep blue; sepals 4 to 5 lines 

 long, the very slender spur nearly half again as long ; follicles glabrous, 9 to 12 

 lines long, only slightly spreading, or sometimes strongly recurved-spreading. 



Moist ground on edges of woods near the coast: Humboldt Co. North to 

 Oregon. 



Locs. Acorn, Jepson 1938; Campbell's, Chesnut fy Drew; abundant in the Mad River 

 valley (ace. Blasdale, Erythea, 4: 187) ; near Buck Mt., Tracy 2712, 2774 (2713, flowers pink). 

 Should be looked for in nw. Mendocino Co. also. 



Ref. DELPHINIUM TROLLIIFOLIUM Gray, Proc. Am. Acad. 8: 375 (1872), type from Oregon, 

 E. Hall. 



8. D. scopulorum Gray var. glaucum Gray. Stems tall (2y 2 to 6 feet high), 

 very leafy ; herbage glabrous, sometimes glaucous ; leaves 4 to 6 inches broad, 

 deeply 5 to 7-parted into cuneate divisions ; divisions incised and cleft, the cen- 

 tral lanceolate segments of each division prominent and salient; racemes 1 to 

 1% feet long; pedicels 5 to 7 (or 12) lines long, ascending; bractlets filiform, 

 4 to 6 lines long; flowers blue or purplish, puberulent, numerous in racemes 1 

 to 11/0 feet long; sepals 5 to 6 lines long, the spur about as long; lower petals 

 cleft to the middle ; follicles 5 to 6 lines long, glabrous. 



Higher Sierra Nevada from Yosemite Park to Nevada Co., about 6000 feet. 

 San Bernardino Mts. North to Washington and Alaska. 



Locs. Mariposa Big Trees, Brewer 1940; Placer Co., Carpenter; Truckee, Sonne; Lincoln 

 Valley, Kennedy 4" Doten. San Bernardino Mts., ace. Huth (Engler, Bot. Jahrb. 20: 457) 

 and Parish. 



