352 MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 



m. A small plant with orbicular or broadly obovate sessile opposite 

 leaves, and small blue flowers. 



Montana: Lower Sand Coulee, 1891, R. S. Williams, 8§6. 



Gratiola Virginica L. Sp. PI. 17 [111. Fl. 3: 161 ; Syn. Fl. 2' : 281 ; 

 Bot. Cal. i: 570; Man. R. M. 281]. 

 In springy places, up to an altitude of 1000 m. 

 Montana: Sand Coulee, 1882, 7?. ,5". Williams, jij. 



Limosella aquatica L. Sp. PI. 631 [111. Fl. 3: 165; Syn. Fl. 2^ r 



284: Bot. Cal. I : 571 ; Man. R. M. 281]. 



In shallow water, up to an altitude of 2500 m. 



Montana: Lower Sand Coulee, 1888, jR. S. Williams, -jyg; 

 Gallatin River, 1882, Canby. 



Yellowstone Park ; 1853, Hayden Survey; Yellowstone Lake 

 and Turbid Lake, 1885, Tzveedy, 441: Yellowstone Lake, 1871^ 

 Hayden Survey. 



Synthyris rubra (Hook.) ; Benth. DC. Prod. 10 : 455 [Syn. Fl. 2' : 



286; Bot. Cal. i: 571; Man. R. M. 282]; Gymnandra rubra 



Hook. Fl. Bor. Am. 2 : 103 ; Wulfenia rubra Greene, Erythea, 



2: 83 [111. Fl. 3: 166]. 



Professor Greene transferred all the species of Synthyris to 

 Wulfenia. This was, however, not warranted, for the European and 

 Asiatic Wulfenias have a corolla with an evident tube, and the capsule 

 is 4-valved instead of 2-valved, neither flattened nor emarginate at 

 the apex. 



On hills and mountain sides, at an altitude of 2000-3000 m. 



Montana: Deer Lodge, 1888, F. W. Traphagen; Helena, 1890, 

 F. D. Kelscy; Madison Co., 1888, F. Tweedy, 6g; Little Belt 

 Mts., 1896, Flodman, J84.; Bridger Mts., June 15, 1897, Rydberg- 

 & Bessey, 4^28 2Ln6. 4g2g: Cedar Mountain, July i6,4gjo; Great 

 Falls, 1888, R. S. Williams, 11^; Deer Lodge, 1892 and Boze- 

 man, W. T. S/iaiv ; Bozeman Pass, 1883, Scribner, igi. 



Yellowstone Park: Swan Lake, 1885, F. Tweedy, 



Synthyris plantaginea Benth.; DC. Prod. 10: 455 [Syn. Fl. 2': 

 286; Man. R. M. 282] ; Wulfenia plantaginea Gy&hw^, Er3'thea,. 

 2: 83. 



On mountain sides, at an altitude of 2000-3000 m. 

 Montana : Hell Gate, John Pearsall. 



