448 MINNESOTA BOTANICAL STUDIES. 



34. D. grandiflorum LINN. Sp. PI. 531. 1753. 



D. sinense FISCH. ex Link, Enum. Hort. Berol. 2 : 80. 



1822. 

 D.virgatum JACQ^ f . ex Spreng. Syst. 2: 617. 1825. 



Not Poir. 



Stem rather slender, 2 to 3 feet high : leaves rather small, 

 many times parted into nearly distinct, narrow, linear lobes : 

 flowers large, blue, varying to white, the spur and lower petals 

 often violet, upper petals often yellow ; spurs long and taper- 

 pointed : follicles 3, pubescent; seeds triangular, coats wrin- 

 kled, not scaly. July to August. Siberia. Bot. Mag. 1686. 

 Garden 46 : /. pp/ & p. 484. 



There are several garden varieties : var. album, HORT. 

 Flowers pure white. Var. album-pleno HORT. Flowers double 

 and pure white. Var. jlore-ple:io HORT. Flowers double, 

 blue, very pretty. 



Var. Chinensis FISCHER ex DC. Prod, i : 53. 1824. 



Stems very slender, not much branched : leaves and flowers 

 like the type, but flowers more numerous. China. Lodd. Bot. 

 Cab. i : 71. A favorite garden plant. 



35. D. cheilanthum FISCH. ex DC. Syst. i: 352. 1818. 

 D. magnificum PAXT. Mag. Bot. 16 : 258. 1849. 

 D.formosum HORT. Not Boiss. & Huet. 



Stem erect, simple or branched, 2 to 3 feet high : leaves gla- 

 brous or slightly pubescent, 5-parted, the lobes pointed, sub-tri- 

 fid and somewhat toothed : flowers dark blue, the upper petals 

 sometimes pale yellow, the lower ones inflexed, ovate, entire ; 

 spur rather long, straight or somewhat curved : 3 follicles, either 

 glabrous or pubescent ; seeds three-cornered, three-winged, not 

 scaly. June and July. Siberia. Bot. Reg. 6 : 473. Garten- 

 flora, 13: 253. 



36. D. scopulorum GRAY, PL Wright. 2: 9. 1853. 

 D. exaltatum HOOK. Fl. i: 25. 1829. 



D. exaltatiim var. scopulorum HUTH, Delph. N. Am. 12. 



1892. 



Stem 2 to 5 feet high, glabrous below : leaves 5~7-parted, 

 the basal ones with very broad segments, which are round and 

 apiculate at apex ; other leaves more narrowly cleft ; petioles 

 dilating at the base : flowers blue or purple, rarely white, upper 



