MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 245 



Prairies, often in saline soil, up to an altitude of 2000 m. 



Montana: Dillon, 1895, Shear, 55/; Deer Lodge, 1895, Ryd- 

 berg, 2^04.; Helena, 1888, F. D. Kehey ; Beaver Head Co., 1888, 

 202 ; Jack Creek, July 19, 1897, Rydherg & Besscy, 448^ ; Gallatin 

 Qo.^Mrs. Alder son; Great Falls, 1886, F. W. Anderson, gy ; 1891, 

 R. S. Williams, loy; Gallatin City, 1883, Scribner, 2^11; Black- 

 foot River, 1883, Canby, 81 ; Martindale, 1882, Canby. 



Astragalus pectinatus (Hook.) Dougl. ; Hook. Fl. Bor. Am. i: 



142 [Man, R. M. 67; 111. Fl. 2: 300] ; Phaea fectinata Hook. 



Fl. Bor, Am. i : 141. 



Dry plains, perhaps reaching an altitude of 1500 m. 



Montana: Great Falls, 1891,7^.6'. Williams, 328 ; 1886,/^. W. 

 Anderson, q8 ; South of Snowy Mts., 1882, Canby. 



Astragalus microlobus Gray, Proc, Am. Acad. 6: 203 [Man. R. 



M. 62; 111. Fl. 2: 302]. 



Dry plains, up to an altitude of 1500 m. 



Montana: Stillwater, 1889, Tzveedy; Bozeman, 1887, Tzveedy, 

 J4-S; Gallatin City, 1883, Scribner, 2jb. 



Astragalus flexuosus (Hook.) Dougl. ; Hook. Fl. Bor, Am, i : 141 



[Man. R. M. 67; 111. Fl. 2: 302]; P/iaca fextiosa Hook. Fl. 



Bor. Am. i : 140. 



Dry plains, up to an altitude of 2000 m. 



Montana: Cascade Co., 1889, F. W. Anderson; Alhambra, 

 1888, F. D. Kelsey; Stillwater, 1889, Tzveedy; Park Co., 1889, 

 Tweedy; Livingston, 1886, Tzveedy, 1066; Lewis & Clarke Co., 

 Mrs. Miith. 



Phaca Americana (Hook.) Rydb, ; Britt. & Brown, 111. Fl. 2: 304: 

 Phaca frigida Americana Hook, Fl, Bor, Am, i: 140; Astra- 

 galus frigidus Americantis Wats, Bibl, Index i : 193 [Man, R. 

 M. 66']. 



In open woods in wet places, at an altitude of 1500-2500 m, 

 Montana: Spanish Basin, 1896, Flodman, 634; Elk Mts,, 6jj; 

 Indian Creek, July 21, 1897, Rydberg & Bessey , 4483 ; Bear Gulch, 

 1887, Tzveedy, ij6; Gallatin Co., Mrs. Alderson; Clendenin, 1882, 

 R. S. Williams, lyj ; Fort Ellis to the Yellowstone, 1871, Adams. 

 Yellowstone Park : Black Tail Deer Creek, 1884, Tzveedy ^ 

 y4; Soda Butte, 1885, 533. 



Phaca microcystis (Gray) ; Astragalus microcystis Gray, Proc, Am. 

 Acad. 6: 220 [Man. R. M. 66]. 



