258 MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 



Vicia truncata Nutt. ; Torr. & Gray, Fl. N. Am. i: 270; l^ia'a 



Americana truncata Brewer & Wats. Bot. Cal. i : 158 [Man. R. 



M. 72; 111. Fl. 2: 329; Bot. Cal. i: 158]. 



Along streams, at an altitude of 1000—2500 m. 



Montana: Bridger Mountains, June 11 and 14, iSc^"] , jRydbcrg 

 & Bcsscy, 4jI0 and 4511 : Park Co., 1889, Tzvecdy ; Helena, 1891, 

 F. D. Kelsey ; 1891, S. A. Mcrritt; Gallatin Co., Mrs. Alderson; 

 Custer Co., 1892, Mrs. L/'oht. 

 Vicia Americana Muhl, ; Willd. Sp. Pi. 3: 1096 [111. Fl. 2: 326; 



Bot. Cal. i: 157; Man. R. M. 72]. 



On prairies, reaching an altitude of 2500 m. ; rare. 



Montana : Missoula, 1898, Williams & Griffith. 



Yellowstone Park: 1883, Miss Mary Conipton. 

 Vicia linearis (Nutt.) Greene, Fl. Fran. 3 [111. Fl. 2: 326]; La- 

 thy rus linearis ^wX.'i. ; Torr. & Grav, Fl. N. Am. i : 276; ]^icia 



Americana linearis S. Watson, Proc. Am. Acad. 11 : 134 [Man. 



R. M. 72; Bot. Cal. i: 158J. 



On prairies, up to an altitude of 2500 m. 



Montana: Deer Lodge, 1895, Shear, J62; I^ydbcrg; 21 iS: 

 F. W. Traphageii; Helena, 1895, Fydbcrg, 2^22; Bozeman, 

 1885, Tzveedy,jS2; 1882, 1^4; Great Falls, 1SS5, R. S. Williams, 

 6j2; Bozeman, 1892, W. T. Shazu. 



Yellowstone Park : 1888, Dr. Chas. 11. Hall. 



* Lathyrus ochroleucus Hook. Fl. Bor. Am. i: 159 [111. Fl. 2: 



332]- 



Characterized by its cream-colored large flowers, large and broad 

 leaflets, and large stipules. Up to an altitude of 2000 m. 



Montana: Highw^ood Caiion, 1888, R. S. Williams, 748; Mis- 

 soula Co., Mrs. Kennedy: Flathead 'River, 1883, II. B. Ayres, 

 LXIX. 



* Lathyrus Shaffneri ; Lathyrus f>a)-vi/olitis\N^{s. Proc. Am. Acad. 



17: 345, 1882: not Roth. 1797. 

 Near L. venosus, but with narrower leaves. 



Montana: Missoula Co.; 3/rs. Kennedy-, Lewis & Clarke Co., 

 Mrs. Murphy (leaves very narrow-). 



MALVACEAE. 



Sphaeialcea rivularis (Hook.) Torr.; Gray, Mem. Am. Acad. (II.) 

 4:23 [Man. R. M. 42] ; Sphaeralcca accrifolia Nutt: Torr. & 



