360 MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 



scabrous especially on the upper surface ; lip shorter in proportion to 



the length of the galea. 



. Montana: Jefferson City, 1883, Scn'bncr, ig-j; Nevada Creek, 



1883, Canby, 2^g. 



Castilleja acuminata (Pursh) Spreng. Syst. 2 : 775 [111. Fl. 3 : 180] ; 

 Bartsia acuminata Pursh, Fl. Am. Sept. 429; Castilleja septen- 

 trionalis Lindl. Bot. Reg. p^j ; C. pallida scptcntrionalis Gray, 

 Bot. Cal. i: 575 [Syn. Fl. 2^: 297; Man. R. M. 284]. 

 In the mountains, at an altitude of 2500-3000 m. 

 Montana : Indian Creek, July 22, 1897, Rydberg- & Bessey, 4g6y. 

 Yellowstone Park: 1885, Tweedy^ 8yi and 8'/2 ; Lone Star 



Geyser, Aug. 7, 1897, Rydberg & Bessey, 4g6i ; Lower Geyser 



Basin, Aug. 4, 4^64. 



Castilleja occidentalis Torr. Ann. Lye. N. Y. 2: 230; Castilleja 



pallida occidentalis Gray, Bot. Cal. i : 575 [S3'n. Fl. 2^ : 297 ; 



Bot. Cal. I : 575 ; Man. R. M. 284]. 



On the highest alpine peaks, at an altitude of 3000 m. or more. 



Montana: Mill Creek, 1887, Tzveedy, jq; Gallatin Peak, 1886, 

 ii6s; Indian Creek, July 22, 1897, Rydberg & Bessey, 4^67. 



Yellowstone Park: 1885, Tzveedy, 88^ ; Electric Peak, Aug. 

 18, 1897, Rydberg d- Bessey, 4^68; Mt. Chittenden, 1885, Tweedy^ 

 883. 



Castilleja sessiliflora Pursh, Fl. Am. Sept. 738 [111. Fl. 3: 180; 



Syn. Fl. 2' : 298; Man. R. M. 285]. 



On dry hills and plains, up to an altitude of 1500 m. 



Montana: White Bear Creek, Yellowstone Co., 1889, Tweedy; 

 Grafton, 1892, R. S. IVillianis, no; Cutbank Creek, 1883, Canby, 

 256. 



Castilleja brachyantha ; Castilleja brevifora Gray, Am. Journ. Sci. 

 (11.) 33: 338. 1S62 [Syn. Fl. 2^: 299; Man. R. M. 285] ; not 

 DC. 1846. 



In alpine regions ; rare. 

 Yellowstone Park: Hoodoo Peak, 1897, P. Koch, 10. 



Castilleja flava Wats. King's Exped. 5 : 230 [Syn. Fl. 2' : 299 ; Man. 



R. M. 285]. 



In valleys, up to an altitude of 2500 m. 



Montana: 1888, Tzveedy, 66; Indian Creek, July 21, 1897, 

 Rydberg & Bessey, 4g6g. 



