115 



NORTHWESTERN PLANTS, CHIEFLY FROM OREGON. 



By J. M. Greenman. 



Mjr. William C. Cusick, who for a number of years has de- 

 voted considerable attention to the flora of Oregon, particularly 

 Union County, has made during the past season an extensive 

 collection of plants in the southeastern portion of the state. Some 

 of the more interesting localities visited were the Wallowa Moun- 

 tains, the southern Blue Mountains, Stein's Mountains, Alvord 

 Desert, and the region of the Malheur. The collection is par- 

 ticularly noteworthy in containing, in addition to certain species 

 new to science, a number of specimens which extend materially the 

 geographical range of several species hitherto known only from the 

 dry regions of northwestern Utah, from northern Nevada, and 

 from the mountains of California. Descriptions of the newly 

 characterized species and brief notes on the extension of ranges are 

 given below.' 



Alisma californicum, Torr. Pacific R. Rep. iv. t. 21 (1857) 

 Bolander, Cat. 29, name only (1870); Wats. Bot. Calif ii. 200, in 

 syn. (1880); Micheli in A. DC, Monogr. Phan. iii. 34 (1881) 

 Buchenau in Engler, Jahrb. ii. 480 (1882), & in Engl. & Prantl 

 Nat. Pflanzenf. ii. Ab. 1, 230 (1889). Damasonium californicum 

 Torr. in Benth. PI. Hartw. 341 (1857), & Pacific R. Rep. iv. 142 

 (1857); Watson, Bot. Calif ii. 200. Excellent flowering and 

 fruiting specimens of this intei'estiug species were collected by 

 William C. Cusick in a pond at the foot of Stein's Mountains near 

 Divine Creek, Oregon, 3 July, 1898, no. 1997. The species seems 

 hitherto to have been known only from California. 



Eriogonum ochrocephalum, Watson, Bot. Calif, ii, 480. 

 Excellent specimens, agreeing well with the type of this species, 

 were collected by William C. Cusick on ' ' Chalk " hillsides of 

 southeastern Oregon, 15 June, 1898, no. 1930. The occurrence of 

 the species seems not to have been hitherto reported from other 

 than its original locality in northwestern Nevada, 



Ranunculus juniperinus, Jones, Proc. Calif Acad. Sci. ser. 2, 

 V. 616 ; Gray, Syn. Fl. i. pt. 1, 463. Specimens agreeing well with 



Erythea, Vol. Vn, No, 11 [30 November, 1899]. 



