MEMOIRS OF THE NEW YORK BOTANICAI. GARDEN. 361 



Castilleja pallescens (Gray) Greenman, Bol. Gaz. 25 : 266 ; Ortho- 

 carpus pallcsccns Gray, Am. Jour. Sci. (II.) 33 : 339 [Syn. Fl. 2^ : 

 299; Bot. Cal. i: 576; Man. R. M. 286]. 

 On dry hillsides, at an altitude of 2000-3000 m. 

 Montana: Spanish Basin, 1896, Flodman^ j8g and /po; Old 

 Hollowtop, Pon}', July 7, 1897, Rydberg & Bessey, 4^72; Bridger 

 Mts., June 12, 4^71; Bozeman, 1892, W. F. Shazu ; Bozeman, 

 1887, Tzvcedy, 61 ; Upper Marias Pass and Blackfoot Cit}^ 1883, 

 Canhy, 262. 



Yellowstone Park: vSepulchre Mt., 1884, Tzceedy, 4J ; 1885, 

 ■884; 1873, C. C. Parry, 218. 



Idaho: Mt. Chauvet, July 27, 1897, Rydberg & Besscy, 4^73. 



* Castilleja pilosa (Wats.) ; Orthocarfus pilosiis Wats. King's 

 Exped. 5: 231 [Bot. Cal. i: 576]. 

 On hills and plains, at an altitude of 2000 m. 

 Montana: Beaver Head Co., 1888, Tweedy, 6§. 

 Yellowstone Park : 1885, Tiucedy, 88j. 



* Castilleja villosa. 



Perennial, about 3 dm. high, strict and simple, villous throughout; 

 leaves ovate, about 3 cm. long and i cm. wide, 3-ribbed, with i or 

 2 large lanceolate lobes on each side, densely villous-pubescent ; 

 bracts similar but more oblong, with more oblong and obtuse lobes 

 and tinged with yellow ; inflorescence long, constituting about two- 

 thirds of the length of the plant ; flowers nearly erect ; calyx about 

 2.5 cm. long, equalling tbe corolla, cleft slightly deeper in front than 

 on the back, villous, its two lobes oblong, truncate, toothed and yel- 

 lowish at the apex ; corolla yellow, villous, the galea about i cm. 

 long, about one-half longer than the lip. 



A close relative of the two preceding, especially of C. pilosa, 

 from which it differs in the denser pubescence, the broader and less 

 divided leaves and bracts, and twice as large flowers. Plains and 

 valleys. 



Montana: Blackfoot River, 1883, Canby, 261 (type). 



Yk:llowstone Park : Black Tail Deer Creek, 1884, T'cvredy, 44. 



Orthocarpus luteus Nutt. Gen. 2: 57 [111. Fl. 3: 181; Syn. Fl. 



2' : 301 ; Bot. Cal. I : 577 ; Man. R. M. 286]. 



On prairies and in valleys, up to an altitude of 2500 m. 



Montana: Gallatin Co., 1886, F. Tweedy; Bozeman, 1887, 

 F. Tweedy, 60; Cottonwood Creek and Bozeman, 1892, Wm. 



