MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 3II 



Swertia perennis L. Sp. PL 226 [Syn. Fl. 2^: 124; Man. R. M. 



246] . 



Among bushes, at an altitnde of 2000-3000 m. 



Montana: Gallatin Peak, 1886,/^. Tzvcedy, iig6; East Boulder, 

 1887, 8s; Melrose, 1895, Rvdberg, 2ys7\ Jack Creek, July 15, 

 1897, Rydbcrg & Bessey, 46gg; Deer Lodge, Prof. Notestein; 

 Silver Bow Co., Mrs. Moore; Lake Abundance, 1897, P. Koch, jy. 



Yellowstone Park : Falls, 1873, C C. Parry, 244. 



APOCYNACEAE. 



Apocynum androsaemifolium L. Sp. PI. 213 [111. Fl. 3: 2; Syn. 



Fl. 2' : 82 ; Man. R. M. 237 ; Bot. Cal. i : 473]. 



Hillsides and valleys, up to an altitude of 2000 m. 



Montana: Bozeman, idiS"] , Mrs. Alder son ; Deer Lodge, 1889, 

 7^. W. Trafhagen; Bozeman, 1887, F. Tweedy; Gate of the 

 Mountains, 1892, Kelsey ; Great Falls, F. W. Anderson; Box 

 Elder Creek, 1886, R. S. Williams, J72; Spanish Basin, July 23 

 and 24, 1897, Rydbcrg & Bcssey, 4701 ; Bridger Mts., June 18, 

 4702 ; Silver Bow Co., ]\frs. Moore; Townsend, 1883, Scribner. 



* Apocynum cannabinum glaberrimum DC. Prod. 8: 439 [111. Fl. 



3^3]- 



Leaves smaller than in the t3'pe, oblong-lanceolate, acute at both 



ends. Up to an altitude of 1500 m. 



Montana: Great Falls, 1886, R. S. Williams, jyj ; Gate of the 

 Mountains, 1892, F. D. Kelsey; Sixteen Mile Creek, 1883, Scrib- 

 ner, i^i' 



ASCLEPIADACEAE. 



Asclepias speciosa Torr. Ann. Lye. N. Y. 2 : 218 [Syn. Fl. 2' : 91 ; 



111. Fl. 3: 10; Man. R. M. 239; Bot. Cal. i: 474]. 



In moist rich soil, up to an altitude of 2000 m. 



Montana : Beaver Head Co., 1888,/^. Tweedy, 12 j ; Helena, 1892, 

 F. D. Kelsey; Custer Co., iS^i, Mrs. Lig/d ; Jocko Indian Agency, 

 1883, Canby, 227; Ravalli, 1883, ^- S. Ayres, CCCXXVI; Bit- 

 ter Root Valley, 1880, Watson. 



Asclepias pumila (Gray) Vail; Britton & Brown, 111. Fl. 3: 12; 

 Asclepias verticillata pumila Gray, Proc. Am. Acad. 12 : 71 [Syn. 

 Fl. 2': 97; Man. R. M. 241]. 



Dry prairies and plains, up to an altitude of 1500 m. 

 Montana: Yellowstone, 1885, Hayden Survey. 



