78 Contributions from the Gray Herbarium 
Our specimen consists of a single small plant and more material 
may show it to represent an undescribed variety. 
2a. E. Triripus Hook., var. piscoripeus A. Nels. in Coult. 
& Nels. Man. R. Mt. Bot. 529 (1909). — Wyoming and Colorado. 
— Wyomine: Laramie Hills, June 4, 1899, A. Nelson & E. Nelson, 
no. 5400 (R. Mt. Herb.); Middle.Fork of Powder River, July 19, 
1901, Goodding, no. 324 (R. Mt. aang Sapa Mts., Sweet- 
water Co., June 10, 1900, Nelson, no. 
_ E. TRIFIDUS Hook., var. each oe var. nov., foliis laminis 
glabris petiolis ciliato-hispidis; hig see radiatis, ligulis albis. 
Black Hills, South Dakota t rthern Colorado. — SouTH 
Dixors: Cave Hills, Harding Co. Com 1, 1910, F. D. Fromme, 
no. 3; rim of Spearfish Canyon, June 18, 1910, Sage Murdoch Jr., 
no. 4101. Wyomrne: Laramie P Peak, July 1 1900, A. NV elson 
(R. Mt. Herb.); Cheyenne, May 1, 1902, i Nelson, no. 8842; 
Sand Creek, Albany Co. , June i: 1900, ALN tty no. 7007 i in part. 
CoLorapo: Estes Park, Aug. 9, 1916, Coo no. 78, (R. Mt. 
ee ba May 18, 1908, no. 15 (R. Mt. Herb.) Frances, Boulder 
, July 18, 1907, Ramaley, no. 3273 (R. Mt. Herb.) near Ward, 
Tals 30, 1907, Ramaley & Robbins, no. 3103 (R. Herb.) ; Blue 
Bird Mine and § Silver Lake, July 1, 1905, eoang nos. 1181 and 
1241 (R. Mt. Herb.); T olla nd, July 15 fat Ramaley, no. 9119 
(R. Mt. Herb.); "Bbieet: Larimer Co., July 10 , 1903, Goodding, no. 
1509 (Typ, R. Mt. Herb., duplicate Gray Herb.). 
The type of #. flabellifolius Rydb. Bull. Torr. Club. xxvi. 545 
(1899), has not been seen but it seems to be a form of this variety 
depending on leaves which are ‘‘ never compound but simply cleft 
two thirds their length or less.” 
v eu , igs eh Hook., var. deficiens, nom. nov. E. compositus 
. discoideus Gray, Am. Journ. Sci. ser. 2, xxxiii. 237 
Cs, nok ‘E. trifidus Hook., var. discoideus A. Nels. in Coulter & 
Nelson Man. R. Mt. Bot. 529 (1909).— CoLorapo: alpine 
— lying east of Middle Park, 1861, Parry, no. 5 (type of EF. 
ompositus, var. discoideus) ; about Gray’ s Peak, July 30, 1885, 
Puberion, no. 62. 
3. E. PINNATISECTUS (Gray) A. Nels. Bull. Torr. Club xxvi. 246 
(1899). E. compositus Pursh, var. pinnatisectus Gray, Proc. Am. 
Sat xvi. 90 (1881). — Colorado and siete ie eam Wyoming to 
ern New ee — Wyomine: Medici Bow Mts., 
ry bee Co., Aug. 2, 1900, A. Nelson, no. 7854; la Plata Mines, 
Aug. 23, 1895 Bb, A. Ne elson, no. 1816. Cotorapo: west of Fort 
0 
Collins, July 19, 1898, Crandall (R. Mt. Herb. ); Boulder c6..> 
1896, Mosely, no. 307 (R. Mt. Herb.); near Breckenridge, x 3 
1901, Mackenzie, no. 32 (R. Mt. Herb.); Pagosa Peak, Aug 
