116 ERYTHEA. 



authentic material of this species were collected by William C. 

 Cusiek at the head of Otis Creek, southern Blue Mountains, Oregon, 

 15 July, 1898, no, 1828. The species has been hitherto known 

 ©nly from Utah. 



Spir^a discolor, Pursh, var. glabrescens. S. discolor, Pursh, 

 var. dumosa, Watson, Bot. Calif, i. 170, in part. S. daviosa, Torr. 

 in Stansbury, Rep. 387, t. 4 (as to Stansbury's plant and illustra- 

 tion). A diffuse shrub 6 to 12 cm, high, closely resembling S. 

 discolor, var. dumosa, Wats., but having leaves only sparingly 

 pubescent with soft hairs on either surface and glandular-dotted 

 especially beneath, not silvery-tomentose beneath as is the case with 

 var. dumosa. — Oregon, Stein's Mountains, Cusiek, June, 1885, 

 no. 1253, and in 1898, no. 1968; Crater Lake, 15 September, 

 1896, E. 1. Applegate, no. 172; California, Mt. Shasta, altitude 

 2,400 to 2,800 m.. Brewer, no. 1388; Utah, Great Salt Lake, 

 Stansbury. Specimens collected by Dr. Watson in E. Humboldt 

 Mountains, Nevada, altitude 2,100 m., July, 1868, no. 305 (in 

 part), are somewhat intermediate between S. discolor, var. dumosa^ 

 and S. discolor, var. glabescens. 



PoTENTiLLA Breweri, Watsou, var. EXPANSA, Watson, Bot. 

 Calif, i. 179. This variety formerly known from California and 

 Nevada is well represented by specimens collected by William C. 

 Cusiek along streams at the head of AVild-horse Creek, Stein's 

 Mountains, southeastern Oregon, 15 July, 1898, no. 2037*. 



Oxytropis Cusickii. Subacaulescent cespitose-depressed her- 

 baceous plant from a deep perennial root : leaves including the 

 petiole 4 to 8 cm. long, impari-pinnate, subappressed-villous- 

 sericeous; leaflets 7 to 19, opposite or subopposite, oblong-lanceolate, 

 4 to 10 ram. long, 1.5 to 3 mm. broad, acute, margins more or less 

 involute ; stipules scarious, 3-uerved, sparingly villous-pubescent on 

 the outer surface, loug-ciliate especially along the margins of the 

 triangular-lanceolate free portion: scape during anthesis about 

 equal to or somewhat exceeding the leaves, later becoming elongated 

 and nearly or quite twice exceeding the foliage; peduncle appressed- 

 sericeous-villous ; bracts lance-ovate to lance-linear, 4 to 8 ram. 

 long, obtusish : flowers sessile, later becoming short-pedicellate : 

 calyx 7 to 9 mm. long, appressed-canescent-villous with shorter 

 blackish appressed hairs intermixed, the lobes small, scarcely 2 



