372 NORTH AMERICAN FLORA [VorumE 22 
low, broadly elliptic or nearly orbicular, 8-10 mm. long, exceeding the sepals by about a 
third ; stamens about 25; anthers flat, slightly cordate at base ; pistils many; styles fusiform. 
TYPE LOCALITY: Victoria, Vancouver Island, British Columbia. 
DISTRIBUTION : British Columbia, Washington, Idaho, and northern Utah. 
ILLUSTRATION : Mem. Dep. Bot. Columbia Univ. 2: p/. 105 (as D. glutinosa). 
12. Drymocallis fissa (Nutt.) Rydb. Mem. Dep. Bot. Columbia 
Univ. 2: 197. 1898. 
Potentilla fissa Nutt.; T. & G. Fl. N. Am. 1: 446. 1840. 
Potentilla ‘glandulosa S. Wats. Proc. Am. Acad. 8: 552, in part. 1873. 
Potentilla arguta Porter & Coult. Syn. Fl. Colo. 36, in part. 1874. 
Potentilla scopulorum Greene, Erythea1: 4. 1893. 
Stem low, 2-3 dm., or sometimes 4 dm. high, very leafy and branched, glandular- 
hirsute throughout ; stipules very wide, broadly ovate to subreniform, acute and generally 
deeply toothed; basal leaves with short petioles, very veiny and slightly hairy on both 
sides, or subglabrous above, pinnate; leaflets, as a rule, 9, nearly orbicular, except the 
upper ones, which are somewhat rhombic, all deeply incised and doubly serrate; stem- 
leaves similar, only the upper ones slightly reduced ; flowers large, 15-20 mm. in diameter, 
in a narrow cyme, often in the axils of the leaves far down ; hypanthium densely glandular- 
viscid; bractlets linear to lance-ovate, the broader ones sometimes toothed, shorter than 
the triangular-lanceolate, long-acuminate sepals, which are 5-6 mm. long, often 1 cm. long 
in fruit; petals orbicular, very concave, much exceeding the sepals; stamens about 30; 
pistils numerous; styles fusiform. 
TYPE LOCALITY: ‘ Plains of the Rocky Mountains towards the Oregon.” 
DISTRIBUTION: Black Hills of South Dakota to Alberta, Utah, and Colorado. 
ILLUSTRATION : Mem. Dep. Bot. Columbia Univ. 2: pl. 106. 
13. Drymocatlis pumila Rydberg, ‘sp. nov. 
Drymocallis rhomboidea Rydb. Dep. Bot. Columbia Univ. 2: 203, in part. 1898. 
Cespitose; stem about 1.5 dm. high, sparingly viscid-puberulent or glabrate; basal 
leaves 4-7 cm. long, with 9-11 leaflets; petioles and rachis sparingly glandular; ter- 
minal leaflets broadly obovate or flabelliform-cuneate, about 1 cm. long and broad, 
serrate above the middle with ovate teeth; lateral leaflets broader, often broader than 
long, glandular-puberulent or almost glabrous; stem-leaves 1-3, the uppermost often with 
but 3 leaflets; inflorescence small, corymbiform; bractlets elliptic or oblong-lanceolate, 
about 4 mm. long, acute; sepals ovate, abruptly acute, 5 mm. long; petals rounded-obovate 
or orbicular, 7-8 mm. long, yellow; stamens about 25; pistils numerous; styles fusiform. 
Ch aa on moist cliffs, Stein’s Mountains, Oregon, in 1901, Cusick 2571 (herb. N. Y. 
Bot. Gard.). 
DISTRIBUTION: Southeastern Oregon to Utah and California. 
14. Drymocallis viscosa Rydberg, sp. nov. 
Densely cespitose; stems 3-4 dm. high, densely viscid-villous ; stipules ovate, usually 
coarsely toothed ; basal leaves 1-1.5 dm. long, with 7-9 leaflets; petioles and rachis con- 
spicuously viscid, the former 3-5 cm. long; terminal leaflets 2-3 cm. long, broadly obovate 
or obovate-flabelliform, serrate with broadly ovate teeth, densely glandular-atomiferous, 
the lower leaflets rounded and usually very small; stem-leaves 1-5-foliolate, at least the 
upper 1-3 leaflets ample; cyme many-flowered and corymbiform; hypanthium viscid- 
villous in fruit, about 8 mm. broad; bractlets elliptic or ovate, 3-4 mm. long; sepals 
broadly ovate, about 5 mm. long, in fruit 6-7 mm.; petals orbicular, 6-7 mm. long, bright- 
yellow; stamens about 25; anthers cordate at the base; pistils numerous; styles fusiform. 
Type collected in academe: Mount Chapaca, Washington, in 1897, A. D. E. Elmer 564 (herb. 
N. Y. Bot. Gard.). 
15. Drymocallis glandulosa (Lindl.) Rydb. Mem. Dep. Bot. Columbia 
Univ. 2: 198. 1898. 
Potentilia glandulosa Lindl. Bot. Reg. 19: p7. 1583. 1833. 
Potentilia arguta glandulosa Cockerell, W. Am. Sci. 5: 11. 1888. 
Stem strict, 3-6 dm. high, more slender than in D. arguta, indistinctly striate, viscid 
and glandular-hairy, especially upward, subsimple below, irregularly branched above; 
