356 MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 



like those of C. rhexifolia, but usually more cleft, from which it dif- 

 fers in the unequally cleft calyx. 



In open woods, at an altitude of 2000 m. 



Montana : Bridger Mountains, June 17, 1897, Rydhcrg & Bessey^ 

 495O' 



Castilleja hispida Benth. ; Hook. Fl. Bor. Am. 2 : 105 ; Enchroma 

 Bradburii ^mXX. Journ. Acad. Phila. 7 : 47 ; Castilleja parvijior a 

 Gray, Am. Journ. Sci. (II.) 33 : 43 [Syn. Fl. 2^ : 296, in part ; Bot. 

 Cal. I : 574; Man. R. M. 284] ; not Bong. 



Castilleja -parvijiora Bongard is not found in the Rocky Mountains ; 

 it is characterized by its small flowers and broad pectinately cleft 

 leaves ; what has generally gone under that name is the present 

 species. It grows on exposed hills, up to an altitude of 2000 m. 



Montana: Wyeth {E. B?'adburii, in part) ; Beaver Head Co.,. 

 1888, F. Tzvcedy,37; Sheridan, 1892, Mrs. L. H. Fitch. 



* Castilleja oreophila Greenman, Bot. Gaz. 25 : 264. 



Resembles much C. hispida, differing in the lower habit, the deep 

 rose-purple coloration of the bracts and the short inflorescence. It is 

 a truly alpine plant. 



Montana: Maryville, 1892, F. D. Kclsey. 



* Castilleja angustifolia (Nutt.) G. Don, Gen. Syst. 4: 616; En- 



chroma angustifolia Nutt. Journ. Acad. Phila. 7 : 46. 

 Like C. hispida, but smaller and less hair}', with narrowly linear 

 leaves, and with smaller flowers. 



Montana: Wyeth: Deer Lodge, 1888, Traphagrn. 



* Castilleja Suksdorfii Gray, Proc. Am. Acad. 22 : 311. 



Characterized by its dark reddish purpie coloration, its creeping- 

 rootstock and the loner rr^ilea which makes the flowers, therefore, 

 much longer than those of the related species. 



Montana; 1887, Kelsey. 



Yellowstone Park: Slough Creek, 1885, Tivecdy, 8jo. 



* Castilleja rhexifolia. 



Perennial, with a woody caudex, about 4 cm. high, glabrous be- 

 low, more or less villous above ; leaves oblong-lanceolate to ovate, 

 3-5-nerved, about 5 cm. long, the upper often 3-5 cleft, but not 

 deeply so, with lanceolate lobes, the floral ones bright scarlet ; calyx 

 about 2.5 cm. long, green at the base, otherwise coccineous or 

 scarlet, about equally cleft above and below, the clefts on the sides 



