Macbride — Revision of Oreocarya 31 
stricted to the Platte River region of western Nebraska and adja- 
cent Wyoming. Dr. Rydberg would retain the name O. sericea for 
that plant, but Gray’s use of the name, as indicated by his descrip- 
tion, the range he gives and his annotations in the herbarium, shows 
that he did not know Nuttall’s plant. It is true that he took it to 
be the same as the species he was describing but since he clearly 
applied the name to the very different Rocky Mountain plant, of 
which he had plenty of material, it is rather that species that must 
be known as O. sericea, and the use of the name for the Platte - 
Proc. Calif. Acad. Sci. ser. 2, v. 709 (1895) in part. O. humilis 
(Gray) Greene, Pitt. iii. 112 (1896). O. hispida Nels. & Kenn. 
Proc, Biol. Soc. Wash. xix. 156 (1906). — Nevada and adjacent 
California.—Nevapa: Monitor Valley, Utah, July 1865, Watson, 
no. 853; Carson Valley, Ormsby Co., April 24, 1904, H. G. True, 
no. 865 (R. Mt. Herb.). CALIFORNIA: Castle Peak, Nevada Co., 
Aug. 3, 1903, Heller. 
For a discussion on the application of the name O. humilis see 
Proc. Am. Acad. li. 548 (1916). 
-- 18. O. nupiaena Greene, Pitt. iii. 112 (1896). — Eastern Cali- 
fornia to northern Nevada. — Nevapa: Santa Rosa Mts., July 11, 
* 1898, Cusick, no. 2028. Catrrornia: Cloud’s Rest, Yosemite, 
1872, Gray. } 
* An effort should be made to secure this species in fruit. The 
nutlets are not rugose in the usual definite fashion but the surface 
is nevertheless somewhat wrinkled and this does not seem to be 
_due to drying as the wrinkles persist in fruits softened with hot 
water. My no. 987 from Silver City, Idaho (in young flower), 
distributed as O. flavoculata ?, probably is of this species. 
19. O. cana A. Nels. Bot. Gaz. xxxiv. 30 (1902). Krynitzkia 
sericea Gray, Proc. Am. Acad. xx. 280 (1885), as to Nuttall’s plant 
only, not as to description nor specimens so labeled by Gray in 
herb. — Barren hills, western Nebraska and along the North Platte 
