Klamath Cinquefoil

Potentilla klamathensis Rydberg, sp. nov
Perennial, with a tap-root and short caudex; stems diffuse or ascending, slender, 1-2 dm. high, sparingly and loosely ciliate with at first ascending and soon spreading hairs, slightly exceeding the basal leaves; basal leaves 1-1.5 dm. long, pinnate, with 13-21 leaflets; leaflets 1-2 cm. long, dissected into linear acute segments, loosely hairy; stemleaves reduced ; stipules lanceolate, acuminate ; inflorescence 1-5-flowered ; pedicels 1-2 cm. long, in fruit arcuate-spreading and often abruptly curved below the hypanthium ; bractlets linear-oblong or linear-lanceolate, acute, 3 mm. long, or in fruit 5 mm. long; sepals linear-lanceolate, acute, 5 mm. long, in fruit 6-7 mm. long; petals yellow/ about 7 mm. long, obovate, emarginate ; stamens about 20 ; styles filiform.
Type collected near Fort Klamath, in 1894,/. B. Leiberg 660 (U. S. Nat. Herb. no. 282S27). Distribution : Klamath and Goose Lake valleys of Oregon and California.

Potentilla versicolor Rydberg, sp. nov
Perennial, with a thick caudex; stems about 2 dm. long, decumbent or ascending, sparingly appressed-silky ; basal leaves 5-10 cm. long, white-silky and tomentose when young, more green in age, pinnate, with 15-25 leaflets, which are 5-8 mm. long, cuneate or flabelliform in outline, divided to near the base into 3-7 linear-oblong acutish divisions; stem-leaves few, small, with few leaflets; stipules lanceolate, entire; inflorescence 3-6-flowered, open ; bractlets elliptic or oval, often obtuse, 3 mm. long; sepals lanceolate, acute, 5 mm. long; hypanthium and calyx silky with somewhat spreading hairs; petals yellow, rounded-obcordate, 5 mm. long; stamens about 20; pistils man}'; styles
filiform.
Type collected on Grayhart Buttes, Oregon, in 1896, Coville & Leiberg 307 (U. S. Nat. Herb. no. 275729).