2l8 MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 



Fragaria glauca (Wats.) Rvdb. Bull. Torr. Bot. Club, 25: 56 



[Rydb. Mon. 2: 183]; Fragaria Virginiana var. (?) glauca 



Wats. King's Exp. 5: 85 [Man. R. M.^83]. 



Characterized by the appressed pubescence of the scape and the 

 glaucous generally glabrate obovate leaflets. It ascends in the 

 mountains to an altitude of 2500 m., growing in open places. 



Montana: Bridger Mts., June 11, 1897, Rydberg & Bessey, 

 4338; Spanish Basin, June 28, 4341: Sheridan, 1892, Mrs. Fitch; 

 Gallatin Co., Mrs. Alderson ; Park Co., 1887, Tzveedy, 2; Mis- 

 soula, 1898, Williams & Griffith. 



Yellowstone Park: Upper Geyser Basin, Aug. 8, 1897, Ryd- 

 berg & Bessey, 4340. 



* Fragaria pauciflora Rydberg, Mem. Dept. Bot. Columbia Univ. 



2: 183. 



Differs from F. glauca in the few-flowered scape, the narrow 

 cuneate leaflets and in the fruit, which is smaller and very deeply 

 pitted, the pits large and fully twice as deep as the height of the 

 achenes. It grows among bushes, at an altitude of 1500-2500 m. 



Montana: Spanish Basin, 1895, Flodnian, jgo ; Bozeman, jp/j- 

 Pony, July 7, 1897, Rydberg & Bessey, 4343. 



Yellowstone Park: Upper Falls, Aug. 10, i8gy, Rydberg d- 

 Bessey, 4342. 



Sibbaldia procumbens L. Sp. PI. 284 [Torr. & Gray, Fl. X. Am. 



i: 433; Man. R. M. 86; 111. Fl. 2 : 217; Bot. Cal.i: 180: Rvdb. 



Mon. 185]. 



In Montana a strictly alpine plant, growing at an altitude of 

 over 3000 m. 



Montana: Indian Creek, July 22, 1897, Rydberg & Bessey, 

 4347; Pony Mts., July 7, 434S ; Little Belt Mts., iQg6, Flodman, 

 379 ; Gallatin Co., Mrs. Alderson, Belt Park, 1886, R. S. Williams, 

 364; Granite, 1892, F. D. Kelsey, Grizzly Creek, 1887, Tzveedy, 

 I ; Lake Plateau, 1897, P. Koch, 60; Belt Mts., 1883, Scribner, 

 43 f, McDonald's Peak, 1883, Canby. 103. 



Yellowstone Park: 1884, Tzveedy, a; Hoodoo Peak, 1897, 

 P. Koch, 12. 



Dasiphora fruticosa (L.) Rydb. Mem. Dept. Bot. Columbia Univ. 

 2: 188; Potentilla fruticosa L. Sp. PI. 495 [Man. R. M. 86; Ilk 

 Fl. 2: 215; Bot. Cal. i: 180]. 



