124 -MEMOIRS OF THE XEW YORK BOTAXICAL GARDEN. 



Dry plains and bad lands at an altitude of 1000-2000 m. 

 Montana: White Beaver Creek, 1889, Tzvccdx. 

 Eriogonum campanulatum Nutt. Journ. Acad. Phila. II. i : 163 

 [111. Fl. I : 546] ; Ej'iogomim hrevicatile Xutt. Journ. Acad. 

 Phila. II. I : 163 [Man. R. M. 316: Wats. Rev. 266]. 

 On dry hills and plains up to an altitude of 2500 m. 

 Montana: Livingston, 1886, Tzveedy. 



Eriogonum microtliecum Nutt. Journ. Acad. Phila. II., i : 162 [Man. 



R. M. 316; 111. Fl. i: 544; Bot. Cal. 2 : 28 : Wats. Rev. 265]. 



Dry prairies up to an altitude of 2000 m. 



Montana: Melrose, i8g^, J^vdderg; 261 g: Upper ]Missouri, 

 1867, T. J^.Haydcn; Logan, id>(^^, Rydbo'g: Ruby River, 1887, 

 Tzveedy, 100: Beaver Head Co., 1888, loy. 



* Eriogonum Simpsonii Benth. DC. Prod. 14: 18. 



Nearest related to JS. viicrothccton, but with very narrowlv linear 

 leaves. Dry benches at an altitude of about 2000 m. 



Montana: Lewis and Clarke Co., 1894, B. Dotig/as: Madison 

 Co., 1886, TzL'cedv. 



Rumex Acetosella L. Sp. PI. 338 [Man. R. M. 318; 111., Fl. i: 



547 ; Bot. Cal. 2 : 10]. 



Introduced and readily establishing itself in waste places, old fields 

 and sandy soil. 



Montana: Missoula, 1898, Williauis & Griffith. 



Rumex Geyeri (Meisner) Trelease, Ann. Rep. Mo. Bot. Gard. 3: 

 78 : Riimex Engelmannii GeyerilA€\^n. DC. Prod. 14 : 64 : Rumex 

 ■paucifoUus Nutt. Wats. Bot. King's Exp. 5: 314 [Man. R. M. 

 318 ; Bot. Cal. 2 : 10]. 

 In meadows at an altitude of 2000-2500 m. 



Montana: Spanish Peaks, 1896, Flodniav, 402: Bridger Mts., 

 40J ; Yogo, 1888, R. S. Williams, jg6; Lewis and Clarke Co., 

 Afrs. Miith ; Davis Creek, 1887, Tweedy^ toj: Bridger Mts., June 

 12-18, 1897, Rydbe}'g & Bessey, ^j^S and JJ4/: Spanish Basin, 

 June 28, JJ4S. 



Yellowstone Park : 1873, C. C. Parry, 24^; 1885, Tzveedy, 

 771; Yellowstone Lake, Aug. 12, 1897, Rydberg d- Bessey, ^J4^. 



Rumex persicarioides L. Sp. PI. 335 [111. Fl. i : 55-] ; Rumex 

 maritimus L. I.e. [Man. R. M. 318; Bot. Cal. 2:9]. 

 In water up to an altitude of 2500 m. 



