MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 303 



* Douglasia nivalis Lindl. ; Brande, Journ. Sc. 1827: 383. 



Like the two preceding, but with flowers in umbels and the whole 

 plant puberulent. 



Montana: Deer Lodge, 1883, T. S. Brandegre, pj^, in part. 



Androsace Chamaejasne VVilld. Sp. PI. i: 799 [83^1. Fl. 2': 60; 

 Man. R. M. 234]. 



Alpine regions, at an altitude of about 3000 m. 

 Montana: Park Co., 1887, ^- Tzvccdy, So. 



Androsace occidentalis Pursh, Fl. Am. Sept. 137 [111. Fl. 2: 586; 



Syn. Fl. 2': 60; Man. R. M. 234]. 



In dry soil, up to an altitude of 2000 m. 



Montana: Gallatm Co., 1888, F. Tzveedy, ijy ; Missoula, 1883, 

 J^. Tzvcedy, Szy; Spanish Basin, June 23, 1897, Rydberg & Bessey, 

 ^682; Bozeman, 1892, W. T. Shazv ; Custer Co., 1892, Mrs. Light. 



* Androsace diffusa Small, Bull. Torr. Bot. Club, 25: 318. 



Like A.septentrionalis but with very long and divergent pedicels. 

 In the true A. septentrionalis the pedicels are merely ascending and 

 not very long. In wet places in the mountain regions, at an altitude 

 of 2000-3000 m. 



Montana: Mill Creek, 1887, F. Tzuecdy, yg; Spanish Peaks, 

 1896, FIod7nan, 7/5 ; Cedar Mountain, July 16, 1897, Rydherg & 

 Bessey^ 46yg; Sun River, 1887, R. S. Williams^ y2j ; Lewis & 

 Clarke Co., Mrs. Mtith; Gallatin Co., Mrs. Alderson. 



Yellowstone Park : 1884, F. Tzveedy, 4.0; Boulder Peak, 1883, 

 Scribiier^ 144. 



* Androsace subumbellata (x\. Nelson) Small, Bull. Torr. Bot. Club, 



25: 319; Androsace septentrionalis stihumbellata A. Nelson, 



Bull. Wyo. Exp. Sta. 28: 149. 



Like A. septentrionalis, but the umbels nearly sessile in the clus- 

 ters of the basal leaves and the calyx-lobes broader. In moun- 

 tain regions, at an altitude of 2000-3500 m. 



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

 4681 ; Pony Mts., July 9, 4680; Grafton, 1892, R. S. Williams, 

 2jg; Bozeman, 1892, W. T. Shazv ; Lake Plateau, 1897, P. 

 Koc/i, 60. 



Yellowstone Park: 1884, i^. Tzvcedy, j8 ; Hoodoo Peak, 1897, 

 P. Koch, g. 



