230 | ONAGRACE®, ONAGRA. 
ANOGRA,. 
G. pumilum Watson Proc. Am. Acad. Filiform stems 2-6 inches 
high, somewhat strict, sparingly branched above: flowers less than a line 
. broad; capsule erect, very shortly pedicelled, 6 lines long by half a line 
broad or more; the numerous seeds oblique in the cells. Marshy places 
in the high mountains, from Washington to California, . 
4 ONAGRA Adns. Fam, Pl. ii, 85. 
Caulescent annual or biennial herbs with alternate leaves and 
yellow nocturnal flowers,that are erect before opening. Calyx- 
tube more or less prolonged above the ovary, deciduous, segments 
4, reflexed. Petals 4, equal obcordate to- obovate sessile, yellow 
changing to pink in age. Stamens 8, equal in length. Stigma 
deeply 4-cleft, its segments linear. Ovules and seeds horizontal, 
inserted in two rows, rarely in several rows, prismatic-angled. 
OQ. Hookeri. Small Bull. Torr. Club xxiii, 171. C2nothera Hookeri T. 
&G. Fl. i, 493. C2. biennis of authors as to plants of ourrange. Stems 
erect, usually stout and mostly simple, 1-5 feet high, canescently pubescent 
and more or less hirsute or strigose : root often persisting for three or more 
years: leaves lanceolate to ovate-lanceolate, 2-6 inches long, acute or 
acuminate, repandly denticulate, the lowest petioled: flowers sessile, in a 
leafy spike; calyx villous, the tube twice the length of the ovary, rather 
shorter than the slightly acuminate segments: petals obcordate, 6-12 lines 
long, stigma linear; somewhat thickened : capsule ¥-12 lines long, more or 
less pubescent or hirsute. Common along rivers, etc. \W Ashington to 
California and the Rocky Mountains. 
6 ANOGRA. Spach. Ann. Sci. Nat. (II) iv, 164. 
Annual or perennial caulescent herbs with alternate leaves 
and axillary white, becoming rose-color. diurnal flowers that are 
nodding in the bud. Calyx-tube prolonged above the ovary, 
deciduous. Stamens 8, equal. Style filiform; stigma 4-lobed. 
Capsule coriaceous or somewhat woody, dehiscing loculicidally, 
4-valved. Ovules and seeds in 2 rows in each cell ascending, 
not angled. 
A. trichocalyx. Smalll.c Mnothera trichocalyx Nutt. Stems mostly 
stout, 6-12 inches long, erect or decumbent at base, white and shining, 
from a perennial base: leaves linear to oblong-lanceolate or rhomboeidal, 
2-4 inches long, acute or acuminate, attenuate to a long petiole, repandly 
denticulate or sinuate-pinnatifid with irregular marginal segments or the 
lowest entire: calyx very villous, the bud obtuse: tube slender, 6-18 lines 
long, naked: petals about equalling the calyx-tube, very broad, entire or — 
deeply sinuous: capsule linear, tapering upward, 1-2 inches long: seeds 
linear not punctate, subangled. Southeastern Oregon to California and 
the Rocky Mountains. eet 
A. pallida Britton Mem. Torr Club v. Gnéthera albicaulis of authors 
as to the plants in our range. Stems rather stout, 6-24 inches high, simple 
or branched, white and often shreddy, from a perennial running root- 
stock: leaves linear to oblong-lanceolate, 1-3 inches long, entire or repand- 
denticulate, or sinuate-pinnatifid towards the base: calyx with the tips of 
the segments free, the tube rather slender, 9-12 lines long, throat naked; 
petals equalling or somewhat shorter than the tube, suborbicular, entire 
or emarginate; capsule linear, tapering upward, 1-2 inches long; seeds 
lanceo-linear, smooth, subangled. On sandy plains, Brit. Columbia to 
Oregon and Minnesota. 
