29 | RANUNCULACEA. 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, 3-parted, the segments 2-3-cleft and 
coarsely toothed: flowers yellow, pendulous; sepals reflexed, oblong-ovate 
acute, 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- 
ing erect: sepals ovate, an irch to inch anda half long; spur straight, 2 inches 
long, very slender: Shaded mountain slopes, Idaho to eastern California and 
Utah, 
* * Flowers irregular. Carpels 1-5. Leaves palmately lobed or 
dissected. | 
11 DELPHINIUM Tourn. Inst. 426. L. Gen. n. 781. 
Erect herbs from grumous or fleshy-fibrous roots, with palmate- 
ly 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 
§ DeLpHinastruM 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 round-reniform, irreg- 
ularly cut into oblong lobes: the upper finely dissected into linear lobes: flowers 
blue, ina 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 broad depressed sum- 
mit. | Northern California to Brit. Columbia: usually in open woods, 
D. pauperculum 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 only 3 or 
4 on ascending pedicels, deep blue, an inch broad; spur straight, ascending. 
Near the coast, Washington. M. A. Knapp. 
D. Oreganum. Finely pubescent with short reflexed hairs: stem often 
slender, 1-3 feet high, from a somewhat branched flattish tuber, sparingiy 
leafy : leaves all dissected into acute linear lobes: flowers blue, in few to 
many-flowered racemes ; sepals broadly lanceolate, half inch or more long, 
shorter than the slender spur; lower petals blue, very obtuse or truncate, 
repand and ciliate at the apex, the blade only 2-3 lines long; upper ones 
light blue bordered with white, lanceolate, obtuse: follicles 3-4 lines long - 
by aline broad, densely tomentose, erect and not at all spreading at the 
tips: seed eee Ee with rounded and rugose back, and truncate summit. 
Open plains and hillsides of the Willamette valley. . 
