MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 185 



Head Co., 1888, Tzucedy, 116; Bozeman, 1892, W. T. Shaw; 

 Helena, 1890, F. D. Kehey ; Custer Co., 1892, Mrs. Light. 



Yellowstone Park : 1888, Dr. Chas. H. Hall; East Fork of 

 Yellowstone, 1885, F. Tzueedy, 575. 



* Sophia filipes (Gray) Heller, Bull. Torr. Bot. Club, 24: 310; 



Sisymbrium incisiim jilifes Gray, PL Fendl. 8 [Syn. Fl. i' : 140; 



Bot. Cal. 1 : 41] ; Sisymbrium longipediccllatmn Fourn. These 



Crucif. 59. 



A near relative of the preceding species and S. incisa. The pods 

 are most like those of 6^. intermedia, but are borne on slightly longer 

 and divergent pedicels. It is an almost glabrous plant, distinguished 

 by the less dissected leaves, the upper segment becoming elongated- 

 linear and almost entire. On dry hillsides, at an altitude of about 

 2000 m. 



Montana: Pony, July 6, 1897, Rydbcrgd- Bcssey, 41 gy; Boze- 

 man, 1882, Tweedy; Bannock City, 1880, Watson. 



* Sophia Hartwegiana (Fourn.) Greene, Pittonia, 3 : 95 ; Sisymbrium 

 . Hartzvegiannni Fourn. These Crucif. 66 \ Sisymbrium incisum 



Hartwegianum Brew. & Wats. Bot. Cal. i : 41 [Syn. FI. i^ : 139]. 



Distinguished by its comparatively large twice or thrice pinnately 

 dissected leaves with short lobes, and linear nearly erect pods on short 

 pedicels. In rich soil, at an altitude of 2000-2500 m. 



Montana: Cliff Lake, Madison Co., July 27, 1897, Rydberg & 

 Bessey, ^201; Electric Peak, Aug., ^^oi"; Bozeman, 1892, W. T. 

 Shaw; Gallatin Co., JMrs. Alderson. 



Arabis Wuttallii Robinson ; Gray, Syn. Fl. i^ : 160; Arabis spath- 



ulata Nutt. ; Torr. & Gray, Fl. N. Am. i : 81 [Man. R. M. 



19 ; Bot. Cal. i : 32]. 



In valleys and on hillsides, at an altitude of 2000-2500 m. 



Montana : Bridger Mountains, June 1 1 , 1897 , Rydberg & Besscy, 

 422Q; Silver Bow Co., Mrs. Moore; Belt Mountains, 1892, R. S. 

 Williams, idy; Gallatin Co., Mrs. Alderson; Upper Marias Pass, 

 1883, Canby, ly ; Bozeman Pass, Scribner, 8k. 



Yellowstone Park: Swan Lake and Sepulchre Mountains, 

 1885, Tweedy, jjg. 



Arabis glabra (L.) Bernh. Syst. Verz. Erf. 195 [111. Fl. 2: 150] ; 

 Tiirritis glabra L. Sp. PI. 666; Arabis fer/oliata Lam. Encycl. 

 i: 219 [Syn. Fl. i^: 160; Man. R. M. 9 ; Bot. Cal. i : 31]. 



