

\ 
EVENING PRIMROSE FAMILY, Onagraceae. 
tube is so long, sometimes as much as seven inches, that it 
looks likea stalk. The root is thick and woody and the cap- 
suleis egg-shaped and ribbed, withnostem. Thereisa patch 
of these wonderful flowers in the Grand Canyon on Bright 
Angel trail, halfway between the rim and the plateau, 
where in a shaded spot beside a great rock the pure 
blossoms seem to shed a moonlight radiance. They are 
equally beautiful on the dry plains of Utah, where they 
grow in quantities. 
There are several kinds of Anogra, resembling Onagra, 
but with white or pink flowers and the seeds differently 
arranged; the stems often clothed with papery bark; the 
buds drooping. The name is an anagram of Onagra. 
A conspicuous kind, often growing in 
ie large patches, with whitish, downy, 
Anogra albicaulis, PTanching stems, from a few inches to a 
(Ocnothera) foot tall, often with shreddy bark, and 
White downy, pale bluish-green leaves, more or 
Spring, summer joss toothed. The drooping, downy buds 
Southwest, etc. : : ; : 
are tinted with reddish-pink and the 
lovely flowers are from one and a half to three inches across, 
with pure white petals, tinted with yellow at base, chang- 
ing to pink after pollination and fading to crimson. The 
stamens have cobwebby threads, white filaments, and 
yellow anthers, the pistil is green and the curved capsule is 
downy or hairy. The whole color scheme, of pale sea- 
green foliage, reddish buds, and white, rose-color, and 
crimson flowers, is delicate, harmonious, and effective. 
This grows in sandy places, and on the prairies from Dakota 
to Mexico. 
Prairie Evening 
A pretty plant, with an erect, leafy 
; : stem, six inches to two feet tall, springing 
Evening Primrose f i k d 1 
Anogra coronopi. {TOM running rootstocks, and pale green, 
folia (Oenothera) more or less downy, leaves, finely cut into 
White numerous, small, narrow lobes, so that 
Summer, autumn they look like rather dry little ferns. The 
Ariz., Utah, etc. K 3 
delicate flowers are the usual Evening 
Primrose shape, about an inch across, in the axils of the 
Cut-leaved 
leaves, with pure white petals, greenish at the base and 
turning pink in fading, and a calyx-tube two inches long, 
with turned-back, pinkish-green lobes. The anthers are 
brown, the pistil green, the throat of the corolla is closed 
by a fringe of white hairs, the buds are drooping and the 
328 
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