308 MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 



Glaux maritima L. Sp. PL 207 [111. Fl. 2: 592; Syn. Fl. 2^.63; 



Man. R. M. 235 ; Bot. Cal. i : 469]. 



In salt marshes and subsaline soil, up to an altitude of 2500 m. 



Montana: Beaver Head Co., 1888, F. Tweedy, ijq; Deer 

 Lodge, 1895, Rydberg, 27^0; Helena, 1891, Kelsey ; Madison Co., 

 Mrs. L. A. Fitch; Jefferson River, 1883, Scrtbner, ijo. 



Yellowstone Park : 1888, Dr. Chas. H. Hall; Mammoth Hot 

 Springs, 1884, F. Tweedy. 

 Centunculus minimus L. Sp. PI. 116 [111. Fl. 2 : 593 ; Syn. Fl. 2' : 



64 ; Man. R. M. 235 ; Bot. Cal. i : 469] . 



In moist soil, up to an altitude of 1000 m. 



Montana: Great Falls, 1891, R. S. Williams, dgj ; Bitter Root 

 Valley, 1880, Watson. 



GENTIANACEAE. 



*Gentiana elegans A. Nelson, Bull. Torr. Bot. Club, 24: 276. 



Nearest related to G. dctonsa, but differs in the broader obtuse 

 leaves and the calyx-lobes which are not very unequal in length, 

 although two of them are much broader. In wet places, at an altitude 

 of 2000-2500 m. 



Montana: Beaver Head Co., Mrs. Laura Scott; Head of Still- 

 water, 1897, P. Koch, 64; Indian Creek, July, 1897, Rydberg d- 

 Bessey, 46 gd. 



Yellowstone Park : 1896, /. F. Kemp: 1883, Dr. J. S. New- 

 berry; 1884, Tzt'cedy, 2og: 1885, Tweedy: 1883, Miss Mary 

 Compon; Mud Springs, 1882, /. M. Coulter; 1888, Dr. Chas. H. 

 Hall; Upper Yellowstone, 187 1, Hay den Survey. 



Idaho : Henry's Lake, July 31, 1897, Rydberg & Bessey, 46^5- 

 * Gentiana elegans unicaulis A. Nelson, Bull. Torr. Bot. Club, 24: 



277. 



Smaller and with a simple stem, 3-5 pairs of leaves, and smaller 

 flowers. 



Yellowstone Park : East DeLacy's Creek, Aug. 10, 1897, Ryd- 

 berg & Bessey, 48^4. 

 Gentiana detonsa Rottb. Act. Hafn. 10: 254 [111. Fl. 2: 614]; 



Gentiana serrata Gunner, Fl. Norv. 10 [Syn. Fl. 2' : 117 ; Man. 



R. M. 243]. 



The specimens from Montana have narrower corolla-lobes, and the 

 narrower pair of calyx-segments are less elongated. 



Montana: Teton River, 1883, Scribner, 1^4. 



