452 MINNESOTA BOTANICAL STUDIES. 
flowers in loose panicles; peduncles yellow-hairy, with the 
bracts often inserted above the base; sepals blue, % as long as 
the spurs; petals dark violet: follicles often glabrous, 34 inch 
long; seeds small, distinctly scaly. July. Siberia. Garten- 
flora, 344. 
44. D. hybridum STEpuH. ex Willd. Sp. Pl. 2: 1229. 1799. 
D. davuricum Georat, Beschr. Russ. Reich. III, 4: 1052. 
1800. 
D. jissum Waxpst. & Kit. Pl. Rar. Hung. 1: 83.20 ¢72 
1802. 
D. hirsutum PERs. Syn. 2: 82. 1807. 
PD. tauricum PaAuuas ex Bieb. Fl. Taur. Cauc. aie 
1808. 
Stem 3 to 4 feet high, pubescent above: root somewhat bulb- 
ous: leaves 5- to many-parted, lobes linear, petioles dilated and 
sheathing at the base: racemes dense: flowers blue, lower limbs 
white-bearded; straight spur, longer than the sepals: follicles 
3, hairy; ovate seeds with transverse scales. June to August. 
Mountains of Asia. Revue Hort. 1893, p. 258.—There are 
many double and semi-double varieties of thistype. Var. flore- 
pleno Hort., has large double flowers colored as in the type. 
Var. Barlow? Paxt., has very large semi-double flowers, deep 
blue with brownish center; a supposed hybrid with D. grandi- 
florum. Bot. Reg. 1944. 
45. D. Madrense Wats. Proc. Am. Acad. 25: 141. 1890. 
Resembles D. paucifiorum; slender, 2 feet high or less, from 
a thickened rootstock, pubescent with reflexed hairs below, 
glandular-hispid above: leaves 3-parted, the lobes 5—7-cleft into 
linear-oblong segments, lowest ones less cleft: flowers few, 
small, pale blue, in a slender raceme; spur narrow, straight; 
lateral petals long-villous: carpels short, glandular-hispid. 
May. In mountains near Monterey, Mexico. Collected by 
Pringle (n. 3014) (f). 
46. D. bicornutum Hens. Diagn. Pl. Nov. 2: 17. 1879. 
Stem nearly simple, stout, 2 to 4 feet high, glabrous or 
puberulent on inflorescence and under the leaves: leaves long- 
petioled, 5-parted, 3-5-lobed; bracts linear; pedicels bibrac- 
teolate; bractlets cuneate: flowers blue, spurs nearly straight, 
