CATALOGUE. 
89 
Truckee Valley and East Humboldt Mountains, Nevada ; 4-9,000 feet alti- 
tude ; July-September. (339.) 
PoTENTiLLA Anserina, L. From Pennsylvania to Wisconsin and north 
to Greenland, throughout British America and Alaska, and from the Rocky 
Mountains west to California and Oregon ; New Mexico. Diamond and Ruby 
Valleys, Nevada, and in the Jordan Valley and the Wahsatch ; 4,300-6,000 
feet altitude ; May-July. (340.) 
PoTENTiLLA FRUTICOSA, L. From the Northern States throughout 
British America to the Rocky Mountains and Behring Strait ; in the mount- 
ains of Wyoming, Colorado, and California. In the East Humboldt Mount- 
ains and the valleys on each side, and in the Uintas; 6—11,000 feet altitude; 
July, August. (341.) The alpine form, somewhat reduced and of more 
compact growth, has the leaves very short and linear. (342.) 
PoTENTiLLA GLANDULOSA, L. Stem crcct, branched above, villous- 
pubescent, viscid toward the summit, as also the peduncles and calyx ; leaves 
pinnately 5-9-foliolate ; leaflets ovate or roundish, or of the nearly sessile cau- 
line leaves obovate or oblong, all deeply and often doubly serrate-toothed or 
incised ; stipules mostly entire ; branches of the cyme elongated and rather 
loosely flowered ; calyx- segments ovate, acute, equaling the broadly oval yel- 
low petals; style fusiform and fleshy, inserted below the middle of the 
ovary ; disk conspicuous but not glandular. — Stem 2° high ; distinguished 
from P. arguta by its more numerous and slender branches and looser heads 
of somewhat smaller flowers, and by the eglandular disk. Oregon and Cali- 
fornia. Found in the Pah-Ute, Battle, and East Humboldt Mountains, Ne- 
vada, and in the Wahsatch ; 5-6,500 feet altitude ; May-September. (343.) 
PoTENTiLLA PEOCUMBENS, Clairv. (Slbbaldia, L.) Greenland, Labra- 
dor, and the White Mountains ; Unalaska ; the Rocky Mountains from Colo- 
rado to latitude 56°, and the Sierras of Cahfornia. Found on the East 
Humboldt Mountains, Nevada, and on the Uintas; 10-12,000 feet altitude; 
August. (344.) 
HoEKELiA^ PAEViFLORA, Nutt. Tomeutose ; stem 1° high, viscidly-vil- 
lous above, leafy; radical leaves 9-13-foliolate ; leaflets short, roundish, the 
1 HOEKELIA, Cii. & Schl. Calyx campaniilate, 10-cleft. Petals nngniculate or spatiilate, (white 
or pink.) Stamens 10, inserted on the throat of the calyx ; filaments short, dilated, usually deltoid, peta- 
loid and persistent. Carpels many, or sometimes rather few, upon a small elevated villous receptacle ; 
style articulated with the top of the ovary.— Leaves pinnate with numerous leaflets, which are somewhat 
scattered, usually cleft or parted, the upper oues confluent. Grav, Proc. Amer. Acad, 6. 528. 
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