Da-vis: DELPHINIUMS OF NORTH AMERICA. 445 



ened. Florida to South Carolina, west to Missouri, Arkansas, 

 and Mississippi. Paxt. Mag. 16 : 258. 



Yur. album HORT. 



A garden variety, somewhat taller : leaves larger and with 

 broader divisions : flowers creamy- white. There is a double 

 form of this not much used in the trade. 



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



D. vimineum D. DON, in Sweet's Brit. Fl. Gard. II, 4 : 



/. 374. 1838. 

 D. virescens GRAY, PI. Lindh. 2 : 142. 1850. 



Very slender and tall, more branched, and with looser inflo- 

 rescence than the type : seeds larger, transversely winged or 

 deeply and thinly wrinkled. Gulf region of Louisiana and 

 Texas. Bot. Mag. 3593. Bot. Reg. 13: 1999 (as D. azu- 

 rcuni) (f). 



27. D. Oreganum HOWELL, Fl. N. W. Am. i : 22. 1897. 



Tuber flattish, somewhat branched : plant finely pubescent, 

 stem often slender, i to 2 feet high, sparingly leafy : leaves dis- 

 sected into acute linear lobes : racemes rather open : flowers 

 large, blue ; sepals broadly lanceolate, shorter than the slender 

 spur, and longer than the petals ; upper petals yellow or white 

 at tip, lower ones blue, truncate, bearded : follicles 3 to 4 lines 

 long, i line broad, densely tomentose, not spreading ; seed tri- 

 angular with rounded and rugose back, and truncate summit. 

 Open places. Willamette valley, Oregon. It differs from D. 

 CaroUnianum chiefly in its open paniculate inflorescence, its 

 very small follicles, few stem leaves, and its seed characters (f). 



28. D. Geyeri GREENE, Erythea, 2: 189. Dec., 1894. 



This differs from D. camportim in the color of the flowers, 

 which are almost wholly blue, and in having the upper branch- 

 lets much larger than in that species : seeds somewhat winged 

 and roughened. High plains, western Nebraska and Kansas, 

 west to the mountains (f). 



Var. Wootoni n. var. 



D. Wootoni RYDB. Bull. Torr. Club, 26 : 587. 1899. 



This southern variety is intermediate between D. cam^orum 

 and D. Geyeri in the size of its upper branchlets : sepals blue or 

 bluish, petals white or nearly so. Arizona and New Mexico (f). 



