452 MINNESOTA BOTANICAL STUDIES. 



flowers in loose panicles ; peduncles yellow-hairy, with the 

 bracts often inserted above the base ; sepals blue, y 2 as long as 

 the spurs ; petals dark violet : follicles often glabrous, ^ inch 

 long ; seeds small, distinctly scaly. July. Siberia. Garten- 

 flora, 344. 



44. D. hybridum STEPH. ex Willd. Sp. PI. 2: 1229. 1799. 

 D. davuricum GEORGI, Beschr. Russ. Reich. Ill, 4 : 1052. 



1800. 

 D.fissum WALDST. & KIT. PI. Rar. Hung. I : 83. /. 81, 



1802. 



D. hirsutum PERS. Syn. 2: 82. 1807. 

 D. tauricum PALLAS ex Bieb. Fl. Taur. Cauc. 2: 13. 



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 this type. Var.Jtore- 

 pleno HORT., has large double flowers colored as in the type. 

 Var. Barloivi PAXT., has very large semi-double flowers, deep 

 blue with brownish center ; a supposed hybrid with D. grandi- 

 jlorum. Bot. Reg. 1944. 



45. D. Madrense WATS. Proc. Am. Acad. 25: 141. 1890. 



Resembles D '. -pauciflorum ; 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 HEMSL. 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, 



