MEM 



OIRS OF THE NEW YORK BOTANICAL GARDEN. 281 



*Taraxia subacaulis (Pursh) ; Jussiaca subacaulb Pursh, Fl. Am. 

 Sept. 304; Taraxia hcterantha (Nutt.) Small, Bull. Torr. Bot. 

 Club, 23: 185; OEnothcra heterantha^\\\X.]o\xxn. Acad. Phila. 

 7: 22 [Bot. Cal. I : 224]. 



A larger plant than T. brcvlfora, with subentire or sinuately 

 toothed, not pinnatifid, leaves. Rather common in -rich soil in the 

 valleys, at an altitude of 2000-3000 m. 



Montana: Rocky Mts., Wycth; Bridger Mts.,Junei2, 1897, 

 Rydbcrg & Bessey, 4587; Spanish Basin, June 30, 4586; Boze- 

 man, 1889, Mrs. Aider son. 



Yellowstone Park: 1888, Dr. Chas. H. Hall; 1883, Miss 

 Mary Compton; Swan Lake and Mammoth Hot Springs, 1885, 

 Tzveedy, jij. 



Meriolix serrulata (Nutt.) Walp. Rep. 2: 79 [111. Fl. 2: 496]; 

 OEnothera serrulata Nutt. Gen. i : 246 [Torr. & Gray, Fl. N. 

 Am. I : 501 ; Man. R. M. 105]. 

 On dry hills and plains, up to an altitude of 2000 m. 

 Montana: Bozeman and Cinnabar, 1884, Tzveedy, ^4- 

 Sphaerostigma andinum (Nutt.) Walp. Rep. 2 : 79 ; OEnothera 

 andlna Nutt. : Torr. & Gray, Fl. N. Am. i : 512 [Man. R. M. 

 105; Bot. Cal. i: 226]. 

 In dry soil. 



Montana : Blackfoot River, Nuttall. 

 Yellowstone Park: 1873, Parry, iii. 

 •Clarkia pulchella Pursh, Fl. Am. Sept. 260 [Torr. & Gray, Fl. N. 

 Am. I : 515 ; Man. R. M. 105 ; Bot. Cal. i : 231]. 

 In the very western part of the State. 



Montana: Columbia Falls, 1892, R. S. Willlanis, 881; Jocko 

 Indian Agency, 1883, Canby. 

 . * Gayophytum lasiospermum Greene, Pittonia, 2: 164 [Trelease, 

 Ann. Rep. Mo. Bot. Gard. 5 : 109]. 



Like G. raniosissinmm, but with strigose-canescent seeds. Dry 

 hills, at an altitude of 2500 m. 



Montana: Lima, 1895, Bydberg, 2734. 

 * Gayophytum diffusum Torr. & Gray, Fl. N. Am. i: 513 [Tre- 

 lease, Ann. Rep. Mo. Bot. Gard. 5: no; Bot. Cal. i: 221]. 

 Somewhat resembling G. raniosissimum, but generally more 

 branched ; flowers larger, the petals 3-6 mm. long. Dry hillsides, 

 at an altitude of 2000-2500 m. 



