482 



On dark, wooded hillsides; rare: Little Elk Canyon, altitude 1,200 m., June 28; 

 Oreville, altitude 1,650 m., July 16 (No. 503). 



Delphinium bicolor Nutt. ; Torr. it Or. Fl. i, 33 (1838). 



Varial)l(\ In tin' rollection tin re are three forms, which probably belong here. 

 One is 1 toGdni. hiiih, with most leaves near the base, more or less glandular-pubescent 

 throughout, oven to the pods. Custer, altitude 1,650 m., .lune 3, Aug. 1 (Xo. 504). 



Another l"orm is like this, but perfectly smooth and with thinner sepals; in some 

 specimens the Uowers are purplish pink. Kunkcls, altitude l,3()0m., June .30 (Xo. 505). 



The third is a tall form 7 to 10 dm. high, glandular-pubescent, and with broader, 

 more jioiuted divisions to the leaves. It is the same as I), menziesii utahense Wats.' 

 Elk Canyon, altitude 1,200 m., Jun^ 29 (No. 1205). 



Aconitiim fischeri Reich. Monogr. Gen. Aeon, i, 22 (1820). 



The couuuou American form is a tall plant, generally 1 to 1.5 m. high, robust, pubes- 

 cent, and viscid. The divisions of the leaves in my specimens, as well as in some 



corolla yellowish, sometimes tinged with rod or blue. See M. E. .Tones, loc. cit. In 

 the Wasatch Mountains from Utah to Uritish America. 



b. Style in fruit 5 to 7 mm. long. 



A. BREVISTYLA Hook. Fl. lior. Araer. i, 24 (1829); Torr. & Gr. Fl. i, 30; AValp. 

 Rep. i. 51, etc. (Some of the other references in Wats. Bibl. Index, p. 6, may belong 

 here, as A. vuhjaris? Richards. App. Frankl. Journ. 740). 



Stem 4 to 10 dm. high, simple, pubescent, or glandular above, especially on the 

 peduncles and flowers; root leaves 2-ternate on stout petioles; stem leaves diminish- 

 ing upward, often ternate and short-jtotioled or the upper simple, 3-lobed and 

 sessile; pedicels stout and recurved; sepals blue, acute; limb of the petals yellow- 

 ish tchile, lontjer than the hlne, curved spur and the stamens; ovary pubescent ; pod 2 to 

 2.5 cm. long, reticulate and glandular-pubescent. 



Western Canada, Red River Valley (?), and the Black Hills. Specimens seen: 

 Canada, Morley (Albertina), 1885, John Maconn; McKenzie River, Louis Anderson; 

 South Dakota, No. 503 of this collection. 



B. Stem 0.5 io 2 dm. hit/h, suhceapitose. 

 a. Style in fruit about <>.'< cm. long. 



A. SAXi>ro>rT.\N.v Ryd]»erg; Gray, Syn. Fi. i, ]>t. 1, 43 (1805); A. vulgaris hrevistyla 

 Gray, Amer. .Fourn. Sci. ser, 2. xxxiii, 410, and Proc. Acad. Phila. 1S63. 57 ( 1863), name 

 only; Porter, Port. iV Coult. Fl. Col. 4 (1874), description: ./. hrerintyla Coulter, Man. 

 Rock. Mount. Reg. 10 (1885) ; .Jones, Zoe, iv, 258 (1893). Pl. XIX. 



Stem 1 to 2 dm. high, densely tufted, scarcely exceeding tlio loaves, perfectly 

 smooth; leaves twice-ternate, all on slender i)etioles thin, the u])per a little smaller; 

 le.itlots 8 to 15 mm. long, with long petiolules, pedicels slender, upright; sepals 

 greenish and obtuse or blue, and acute; limb of the petals yellow, longer than the 

 blue, curved sjtur. and tlii' stamens .and ])isfils; ovary smooth: ])od 1.5 to 2 cm., 

 smooth. 



Rocky Mountains of Colorado. Specimens examined : Colorado, Dr. James (labeled 

 A. ca-rulea, var. f) ; 1861, C. C. Parry, No. 90; 1862, HalKV- Harb(mr, No. 23; 1869, Sco- 

 ville ; Argentine Pa.s8, 1878, M. E. Jones. No. 875; Gray's Peak, 189.5, P. A. Rydberg and 

 C. L. Shear. 



b. Style in fruit about 1 cm. long. 



A. .loxKsn Parry, Amer. Nat. no. 8, 211. 



Cespitose, 0.5 to 1 dm. high; leaflets about 0.5 em. long, nearly sessile; spur nearlj' 

 straight. 



Rocky Mountains of Wyoming and Montana. 



I Bot. King. Surv. 112 (1871). 



