142 MEMOIRS OF THE NEW YORK BOTANICAE GARDEN. 



Basin, 1896, Flodman, 412 and 41 j : 1897, Rydbcrg d- Besscy^ 

 jgSy; Pony Mts., July 7 and g, 3988, 3g8g. 



Silene Douglasii Hook. Fl. Bor. Am. i: 88 [Syn. Fl. i' : 222; 



Man. R. M. 32 ; Bot. Cal. i : 66-]. 



This species is generally tall and slender, the cah'x somewhat 

 narrowed downward. It is rather rare in Montana. 



Montana: Helena, 1891, Kelsey ; Jocko Canon, 1880, Watson. 



Silene multicaulis Nutt. : Torr. & Gray, Fl. i : 192 [Man. R. M. 

 32] ; Silene Douglasii var. multicaulis Robinson ; Gra}^ Syn. 



Fl. i^ : 223. 



Generally lower than the preceding, the calyx cylindric, and often 

 somewhat more inflated at the base. It is common in valleys and on 

 hillsides, up to an altitude of 2500 m. 



Montana: Bridger Mountains, 1896, Flodnian, 4.18: Spanish 

 Basin, 416; Elk Mts., 414 and 419: Little Belt Mts., 41 j and 417 : 

 Electric Peak, Aug. 18, 1897, Fydbe?'g ci- Besscy, jpp6: Indian 

 Creek, July 22, jggy; Jack Creek, July i$,jgg8; Cedar Mountain, 

 July i6,jggg: Trout Creek, 1891, 7?. S. Williams, 124: Gallatin 

 Co., 1886, Tzcccdy, i/js; East Boulder, 1887, 40; Upper Marias 

 Pass, 1883, Canby, jS ; Belt Mountains, Scrihncr, 11. 



Yellowstone Park : 1884, Tzvecdx, 28J and 288. 



Idaho: Mt. Chauvet, July 28 and 29, 1897, jRydherg d' Bessey, 

 4000, 4001 and 4002, 



* Silene Lyallii Wats. Proc. Am. Acad. 10: 342 : Silene Douglasii 



var. Macounii Robinson: Gray, Syn. Fl. i' : 223; S. Macounii 



Wats. Proc. Am. Acad. 26: 124. 



Like the last but still smaller, only 1-1.5 dm. high: leaves nar- 

 rowly oblanceolate or linear : calyx very short, its teeth purple- 

 tipped. It grows on the tops of the higher mountains, at an altitude 

 of 3000 m. 



Montana: Long Baldy, Little Belt Mts., 1897, Flodman, 420 

 and 421 ; Bozeman, 1892, Mrs. Alderson ( ?). 



Silene Scouleri Hook. Fl. Bor. Am. i : 88 [Syn. Fl. i' : 224: Man. 



R. M. 32]. 



Valleys and hillsides in the southern and southwestern part of the 

 State, at an altitude of 2000-2500 m. 



Montana: Otter Creek, 1885, F. W. Anderson, 5/. 



