20 Contributions from the Gray Herbarium 
421 — Pulmonaria alpina Torr. Ann. Lye. ii. 224 (1827). — 
Montana, Wyoming, Colorado. — Montana: near Pony, July 7 & 
9, 1897, Rydberg & Bessey, no. 4867; Spanish Peaks, July 10, 1901, 
J. Vogel. Wvyominc: Yellowstone Park, July 13, 1899, At E. 
Nelson, no. 5811; Dune Lake, July 18, 1896, yb N elson, no. 2434. 
Couorapo: Saddle Cliffs, July 6, 1901, A. E. & E. S. Clements, 
no. 405; Pike’s Peak, Aug. 27, 1895, Ca mnby. 
30a. var. perplexa (yd, i comb. nov. M. perplexa Rydb. Bull. 
Torr. Club xxxi. 639 (1905); M. alpina Gray, Syn. FI. ii. pt. 1, 
201 (1886), in part. — Conorapo: 1868, View, f 0. 437; ‘Gray’ s 
Peak & vicinity, July & August, 1885, HN. Pekin: nos. 113 & 
114, in part; ii Gray. 
30b. var. h sista Bedi ), comb. nov. M. humilis Rydb. Bull. 
Torr. Club xxxvi. 681 (1909). M. alpina A. Nels. in Coulter & 
Nelson Man. R. Mt., as to description and glabrous specimens; 
Gray, Syn. Fl. 1. c. in part. — High Plains; southern Wyoming 
and Colorado. — Wyomine: Laramie Hills & Sand Creek, ‘albaste 
Co., May 16, 1894 & June 2, 1900, Aven Nelson, nos. nae ns 7043 
Cotorapo: headwaters of Clear Creek, 1861 , Parry, oo 
31. M. canescens Rydb. Bull. Tor rr. Club xxxi 5 (1905). 
M. cana Rydb. Bull. Torr. Club. xxxvi. 698 (1909). — Coronane: 
Berthoud Pass, Grand Co., July, 1903, Tweedy, no. 5664 (R. 
Herb.); Gray’s org & Vicinity, July & Aug., 1885, H. N. Dalen 
son, no. 114, in par 
i @ Ai asia Wats. Bot. King’s Expl. 239 (1871). M. 
na (Torr.) G. Don, var. "Webisheth (Wats.) Jones, Contrib. W. 
ae xil. 56 (1908). M. alpina peep Syn. Fl. lc. in part. 
Urau: Emigration Canyon, Salt Lake Co., Fisk 14, 1913, Garrett, 
no “O716. Wasatch Mts., May, 1869, Watson, no. 485; Red Butte 
Canyon, "Salt Lake Co., April 22 1905, Garrett, no. 1075; 
poe gities sisi s Canyons, May 8, 1909, & May 29, 1908, Mrs. 
ose 
Rydberg ss haites this species in his Flora of Colorado and Nel- 
son in the Coulter & Nelson Manual gives the range as “ western 
central Rocky Mountains.” However the specimens I have seen 
have all come from Utah. 
II. REVISION OF THE GENUS OREOCARYA 
This group of plants has never been revised as a genus. When 
Dr. Gray treated it as a section under Krynitzkia, Proc. Am. Acad. 
xx. 277 et seq. (1885), he recognized seven species and at that time 
but few more had been proposed. Then in 1896 Dr. Greene (Pitt. 
iii. 109-115) added seven species to his genus Oreocarya, Pitt. i. 57 
(1887), and discussed the status of some of the older species. The 
