than the subulate ovary; petals j-1" long, obovate, entire, scarcely exceed¬ 
ing the longer stamens and style, deciduous with the stamens from the calyx ; 
capsules sessile upon the petiole, somewhat 4-angled, nearly straight, attenu¬ 
ate-subulate above; seeds oblong-cylindrical, on a filiform placenta.—Stems 
1-4' high, often becoming densely crowded with the obconieal capsules, which 
are 4-6" long. Discovered by Njittall in Southern Idaho. Not rare in Ne¬ 
vada from the Havallah Range to the East Humboldt Mountains, and found 
in Heber Valley in the Wahsatch; 6-8,000 feet altitude; June-Au¬ 
gust. (425.) ' * - ' ‘ ' ' ' , • 
Gaura parviflora, Dougl. Stem tall, erect, and with the margin of 
the leaves villous with soft white hairs ; leaves ovate-lanceolate, acute or acti- 
minate, repand-denticulate, clothed on both sides with a short velvety pubes¬ 
cence ; spike virgate/strict, many-flowered, elongating in fruit; bracts lance¬ 
olate-subulate ; flowers very small, the calyx-tube shorter than the glabrous 
ovary and exceeding the segments; anthers oval, retuse, attached by the 
middle ; stigmas not at all or scarcely produced beyond the indusium; fruit 
oblong, sessile, obtusely angled above, 4-nerved.—Stems 2-5° high, with 
small rose-colored flowers, and leaves 1-3' in length; capsules 3-4" long, 
obtuse at maturity. From Louisiana to Arizona and northward to the Platte 
and the Columbia; rather rare. Humboldt Pass, Nevada; StansburyTslaudP 
Salt Lake ; June, September. (426.) 
Circlea ALPINA, L., Var. intermedia, Ehrh. DC. Prodr. 3. 63/ Stems 
erect, 3-10' high; leaves slightly repand-denticulate, cordate, acuminate; 
bracts almost none; fruit 1-celled.—It is nearest to C. alpina, but is the C. 
Lutetiana, Var. occidentalism * ofi Nuttall, in Herb. Gray. Also collected by 
Lyall in the Galton Mountains, and by Bolander in California. The species 
extends from the Northern States and Canada to the Saskatchewan, Oregon * 
and Sitka. Found in the Wahsatch Mountains, Utah; 7-8,000 feet altitude; 
July, August. (427.) 
LOASACE2E. 
Mentzelia ALBICAULIS7 Dougl. Stem 6-18' high, branching from the 
base, white and polished and nearly glabrous below, rather weak ; leaves 
lanceolate, remote, more or less deeply sinuate-pinnatifid or toothed, sessile P 
flowers solitary or somewhat clustered, bracteolate; petals obovate, 2" long, 
light yellow, scarcely exceeding the short subulate-lanceolate calyx-segments; 
