Da-vis: DELPHINIUMS OF NORTH AMERICA. 449 



petals often yellow ; spur one-half inch long, equalling the sepals ; 

 racemes simple, densely many-flowered : follicles 3, pubescent; 

 seeds black with loose coats, not scary, but slightly winged. 

 Aug. to Sept. Moist ground, west of Rockies. 

 Var. subalpinum GRAY, Bot. Gaz. 12: 52. 1887. 

 D. occidcntale WATS. Bot. Calif. 2 : 428. 1880. 

 D. elatum var. occidentale WATS. Bot. King Exp. u. 



1871. 

 D. cxaltatum var. Barbeyi HUTH, Delph. N. Am. n. 



1892. 



D. Barbeyi HUTH, Bull. Herb. Boiss. 1 : 335. t. 77. 1893. 

 A smaller plant, pubescent above : broader divisions of 

 leaves : shorter racemes : larger and deeper colored flowers : fol- 

 licles glabrous ; seeds much like the type. Wasatch Mountains. 

 Var. stachydeum GRAY, Bot. Gaz. 12: 52. 1887. 

 Stem erect, 3 to 6 feet high : leaves with narrow divisions : 

 plant cinereous-pubescent throughout ; seeds black like the 

 type. Oregon to New Mexico and Arizona (f). 



Var. attenuatum JONES, Proc. Cal. Acad. II, 5: 617. 1895. 

 Stems in tufts, 3 to 4 feet high : leaves like the type ; .pubes- 

 cence like var. subalpinum: flowers large, deep blue, with an 

 odor of musk ; sepals long and narrow, 3 times as long as the 

 petals, and longer than the spur ; upper petals white, lower ones 

 bearded. Utah. Allied to D. elatum (f). 

 Var. diversifolium n. var. 



D. diversifolium GREENE, Pitt. 3: 93. 1896. 

 Stems often tufted, rather tall and slender : lowest leaves 

 nearly reniform in outline, not more than 3-parted, the parts 

 with lobes rounded at the ends, the sinuses very narrow ; other 

 leaves like the type : plant somewhat pubescent in upper parts 

 and on the follicles. Moist meadows, head waters of the Hum- 

 boldt river, eastern Nevada (f). 



37. D. glaucum WATS. Bot. Calif. 2: 427. 1880. 

 D. scopulorum WATS. Bot. Calif. I : n. 1876. 

 D. scopulorum var. glaucum GRAY, Bot. Gaz. 12: 52. 



1887. 

 D. exaltatum var. glaucum HUTH, Delph. N. Am. n. 



1892. 



Much like D. scopulorum: plants with a broader type of 

 leaves, often glaucous, glabrous, or the pedicels slightly glan- 



