22 BANUNCULACE^. aquilegia. 



DELPHINIUM. 



shady ravines, southern Oregon near Crater Lake, Gorman, and California.- 



A. flavescens Watson Bot. King, 10. Smooth: stems 1-3 feet high: 

 leaves ternate: leaflets round-cordate, 8-parted, the segments 2-3-cleft and 

 coarsely toothed: flowers yellow, pendulous; sepals reflexed, oblong-ovate, 

 a'cute, longer than the spurs : style nearly equaling the stamens, much lon- 

 ger than the pubescent ovary. Subalpine, eastern Oregon to Nevada, Utah 

 and Brit. Columbia. 



A. leptosera Nutt. Journ. Acad. Philad. vii,, 9. Stems 1-2 feet high, 

 glabrous, few-flowered: flowers white or slightly tinged with blue, soon becom- 

 ihg erect: sepals ovate, an inch to inch and a half long; spur straight, 3 inches 

 long, Very slender: Shaded mountain slopes, Idaho to eastern Calif omia and 

 Utah, 



* * Flowers irregular. Carpels 1-5. Leaves palmateli/ lobed or 

 dissected. 



11 DELPHINIUM Tourn. Inst. 426. L. Gen. n. 781. 



Erect herbs from grumous or fleshy-fibrous roots, with palmate- 

 ]y lobed cleft or divided alternate leaves and showy flowers in 

 simple or paniculate racemes. Sepals 5, very irregular, usually 

 colored and petaloid, the upper one produced backwards at the 

 base into a hollow spur the others plain! Petals 2-4, very irreg- 

 ular, the 2 upper ones developed backwards and enclosed in the 

 spur of the calyx. Stamens many. Pistils 1 -5, many-ovuled. 

 Style persistent. Ours all of 



§ Delphinasteum DC. Syst. i, 351, Petals 4. distinct, the up- 

 per pair usually glabrous : the lateral ones unguiculate, more or 

 less hairy on the face, in ours emarginate or 2-lobed at the apex. 

 Follicles in ours usually. 3. 



* Flowers blue or white, never scarlet nor orange. 



D. Menziesii DC. Syst. i, 355. Glabrous or pubescent with spreading 

 hairs; 5 to 18 inches high, sparingly leafy : lower leaves ronnd-reniform, irreg- 

 ularly cut into oblong lobes: the upper finely dissected into linear lobes: flowers 

 blue , in a few-branched panicle: sepals lanceolate, obtuse, 5-8 lines long by 

 2-3 lines wide, about as long as the stout spur, pubescent with spreading hairs- 

 petals exserted, white with purple veins: follicles glabrous, 8-10 lines long 

 with acute widely spreading tips: seeds turbinate, with a brond depressed sum- 

 mit. Northern California to Brit. Columbia: usually in open woods. 



i). panperculuin Greene Pitt, i, 284. Stem solitary, simple, 2-7-leaved 

 6-10 inches high ; from a small globose or ovate tuber : pubescence sparse 

 and soft : leaves parted into broad-linear, trifid segments : flowers onlv 3 or 

 4 on ascending pedicels, deep blue an inch broad; spur straight, ascendinc. 

 Near the coast, Washington. M. A. Knapp. ° 



1 "•, *''"?^o*?"!",:- ^"^f^ pubescent with short reflexed hairs: stem often 

 slender, 1-3 feet high, from a somewhat branched flatfish tuber, sparinaiv 

 leafy : leaves all dissected into acute hnear lobes : flowers blue in few to 

 many-flowered racemes; sepals broadly lanceolate, half inch or more Ions 

 shorter than the slender spur ; lower petals blue, very obtuse or truncate 

 repand and ciliate at the apex, the blade only 2-3 lines Ions • nnnel' nnp« 

 ligTit blue bordered with white, lanceolate, obtuse : follicles 3-4 Imes W 

 by a line broad, densely tomentose, ^ect and not at all spreading at thi 

 tips: seed triangular with rounded and rugose back, and truncate sumruit 

 Open plains and hiUpidea of the Willamette valley. aummii. 



