ME^rOlRS OF THE NEW YORK BOTANICAL GARDEN. 4O7 



Erigeron Beyrichii (F. & M.) Torr. & Gray, Fl. N. Am. 2: 176 

 as synon3'm ; Stenactis Beyrichii ¥. & M. Ind. Sem. Hort. Petrop. 

 1838 : 5 ; Erigeron ramosus Beyric/iii Smith & Pound, Bot. Surv. 

 Neb. 2:11 [111. Fl. 3 : 389] ; Erigeron strigosus Beyrichii Toyy. & 

 Gray, Fl. N. Am. 2: 175 [Syn. Fl. i- : 219; Man. R. M. 174]. 

 In the dryer valleys and on prairies, up to an altitude of 2500 m. 

 Montana: Park Co., 1887, Tweedy , jyi ; East Boulder, 1887, 



57/; Sand Coulee, 1885, R. S. Williams, 263. 



Erigeron acris L. Sp. PL 863 [111. Fl. 3: 390; Syn. Fl. i^ : 219; 



Bot. Cal. i: 327; Man. R. M. 174]. 



In the mountains, at an altitude of 1500-2500 m. 



Montana: Emigrant Gulch, Aug. 23, 1897, Rydberg & Bessey, 

 30JJ ; Neihart, 1888, R. S. Williams, 2oy, in part; Priest's Pass, 

 1891, E. D. Kelscy ; Bridger Mts., 1896, Elodman, 841 ; Spanish 

 Basin, 842. 



Yellowstone Park : Black Tail Deer Creek, 1884, Tweedy, 

 130. 



Erigeron minor (Hook.) Rydb. Bull. Torr. Bot. Club, 24: 295; 



Erigeron glahratus minor Hook. Fl. Bor. Am. 2 : 18 ; E. armer- 



iaefolius Gray, Proc. Am. Acad. 8 : 648, in part [Syn. Fl. i" : 220 ; 



Bot. Cal. I : 326; Man. R. M. 174] ; not Turcz. 



Gray included in E. armerioides two distinct forms, this species 

 and the next. E. minor \& low, 2—3 dm. high ; basal leaves numerous 

 and spatulate ; stem-leaves without petiole ; inflorescence racemose. 

 It grows in mountain meadows, at an altitude of 1500-2500 m. 



Montana: Neihart, 1888, /?. ^. rF/7//a/;w, ^07, in part ; Melrose, 



1895, Rydberg, 2824; Elk Mts., near Black Hawk, 1896, Elodman, 

 839. 



Yellowstone Park : Indian Creek, 1884, Tiveedy, 129. 



Erigeron lonchophyllus Hook. Fl. Bor. x\m. 2: 18; Erigeron 



armeriaefolius Gray, 1. c, in part [Bot. Cal. i : 327 ; Man. R. 



M. 174, in part] ; not Turcz. 



Tall, -^^-6 dm. high ; basal leaves few, oblanceolate ; lower stem- 

 leaves petioled ; inflorescence open with long pedicels. At an alti- 

 tude of about 1500 m. 



Montana: Melrose, i^()$, Rydberg, 2823; East Gallatin Swamps, 



1896, Elodman, 840. 



