MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 375 



Jack Creek, July 14, sojg; Silver Bow Co., Mrs. Christie: Jeffer- 

 son City, 1883, Scribner, dyb ; Fort Ellis, 187 1, Hayden Survey. 

 Yellowstone Park : 1886, /^/vi-wm //(?//,• 1884, Tzcccdy. 



* Galium boreale linearifolium. 



Leaves narrowly linear with involute margins and faint lateral 

 ribs ; margins and ribs mostly hispidulous-ciliate ; flowers smaller, 

 ochroleucous ; fruit densel}' hispid. 



Maybe distinct from G. boreale, but good characters are lacking. 

 Grows among bushes, at an altitude of 1000-2000 m. 



Nebraska: Pumpkin Seed Valley, 1891, Rydberg, /jy (type). 



Montana: East Gallatin Swamps, 1896. Flodman, Sij. 



Washin<jton : Palace Camp, 1883, Mrs. Bailey Willis. 



Galium trifidum L. Sp. PI. 105 [111. Fl. 3: 224; Syn. Fl. i- : 38: 



Bot. Cal. i: 284; Man. R. M. 128]. 



In wet meadows, up to an altitude of 2500 m. 



Montana: Belt River, 1886, R. S. Williams, 36c) ; East Gallatin 

 Swamps, 1896, Flodinan, 814; Fort Logan, 1882, Canby. 



Yellowstone Park: Mammoth Hot Springs, 1885, Tzueedy, 

 ^28, in part. 



* Galium trifidum subbiflorum Wiegand, Bull. Torr. Bot. Club, 24: 



399.- 



Leaves broader, mostly oblong; stem less scabrous. In wet 



meadows, at an altitude of 1000-2500 m. 



Montana: Spanish Basin, June 28, 1897, Rydberg cC- Bessey, 



Yellowstone Park: Shoshone Lake, Aug. 10, 1897, Rydberg- 

 <£• Bessey, joj/ ; Mammoth Hot Springs, 1885, Tweedy, 328, in part. 



* Galium Brandegei Gray, Proc. Am. Acad. 12 : 58 [Syn. Fl. i- : 38] . 



Like G. irijiduui, but leaves smaller, usually in fours, somewhat 

 fleshy, spatulate-oblong, with indistinct midrib, one or two of the 

 whorl generally smaller; stem commonly glabrous. Moist ground, 

 especiallv in sandy soil, at an altitude of about 2500 m. 



Yellowstone Park: Stevenson Island, 1885, Tweedy, 328; 

 East DeLacey's Creek, Aug. 10, 1897, Rydberg & Bessey, 5035- 



Galium bifolium Wats. King's Exped. 5: 134 [S}!!. Fl. i" : 36; 

 Bot. Cal. I : 283 ; Man. R. M. 128] . 

 Around springs, at an altitude of 2000-2500 m. 



