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PURSHIA TRIDENTATA, DC. Two to 5 (exceptionally 10) feet: Rocky Mountain 
region (and from Arizona to Southern California): spreading, much- 
branched, with gray or brown bark; young branches hairy; leavessmall, 
crowded, wedge-shaped, 3- to 5-lobed, white-weolly below; upper surface 
of leaves with sticky glands; with pu: gent, balsamic odor; fruit velvety. 
COLEOGYNE RAMOSISSIMA, Torr. Southern Colorado (to Nevada and Arizona); 
spiby, spreading, much-branched, bark grayish; leaves leathery and with 
delicate hairs; flowers yellow, conspicuous. 
Cuirr Rose. Cowania Mexicana, Don. One to 6 feet: New Mexico to Southern 
Colorado (also in northern Mexico and northern Utah): much-branched; 
bark whitish, stringy; flowers yellow; seed (akene) with tail 2 inches 
long. 
EARLY WILD Rose. Rosa blanda, Ait. One to 3 feet: Eastern Montana (and east- 
ward through northern half of United States): with few delicate (or no) 
prickles; flowers pale rose-color. 
Rosa Say, Schwein. One to 2 feet: common froin Colorado to Montana (eastward 
to porthern Wisconsin): thickly set with prickles; flowers solitary. 
Rosa ARKANSANA, Porter. One to 6 feet: New Mexico to Montana (eastward to 
the Upper Mississippi) : usually with closely-set prickles ; flowers clustered, 
Rosa NUrKAaNaA, Pres]. One to 4 feet: northern Utah to Montana (westward to Ore- 
gon and northward): thick stems with strong, straight to curve prickles; 
flowers single, 2 to 3 inches broad. 
Rosa FENDLERI, Crepin. Four to & feet: New Mexico (tvestern Texas, Sierras, Cal-- 
ifornia, and northward beyond United States boundary): with delicate 
straight or curved prickles; flowers small, single or clustered. 
Rosa Woopsu, Lindl. One-fourth to 3 feet: Colorado (to Missouri) and northward 
through western Montana (and north of the United States boundary tothe 
Saskatchewan), plains and valley : with delicate or curved prickles; flowers 
single or clustered, i} to 2 inches broad. . 
ROSA GYMNOCARPA, Nutt. Three to 10 feet: northwestern Montana and Idaho (also 
on the Pacific coast): prickles straight, delicate; flowers single or few. 
JUNE BERRY. SERVICE Berry. (Amelanchier alnifolia, Nutt.) Three to 8 feet: 
New Mexico to Montana westward to California; eastward to the Missis- 
sippi): smooth or woolly; flowers white, in cylindrical clusters; fruit 
ten-seeded, purple, edible. 
PERAPHYLLUM RAMOSISSIMUM, Nutt. Four to 6 feet: southwestern Colorado (Utah, 
California, and Oregon): exceedingly branched; bark gray; flowers sin- 
gle or two to three together; light rose; fruit glube-like, edible. 
SAXIFRAGACEE: Saxifrage Family. 
Mock ORANGE, SYRINGA. Philadelphus microphyllus, Gray. Southern Colorado and 
southward: flowers-single, or two to three together; white, conspicuous. 
JAMESIA AMERICANA, Torr. & Gray. Two to 3 feet: New Mexico, Colorado (and 
Utah): spreading, slim-branched shrub ; branchlets hairy, as are the leaves 
below, but whitish; flowers in loose clusters. 
FENDLERA RUPICOLA, Eng. & Gray. Southern Colorado and southward: erect, 
smooth, or hairy; flowers single, or two to three together; white. 
WILD GOOSEBERRIES: 
Ribes Leptanthum, Gray. One to 4 feet: Colorado, New Mexico (and in Sierras, 
California): branches stiff; thorns single or in threes, large; flowcrs yel- 
low, one or two together; fruit smooth. 
Ribes divericatum, Dougl., var. irriguum, Gray. Five to 12 feet: Colorado to Or- 
egon: spreading ; thorns single or in threes; flowers white, on 2- to 4-flo w- 
ered stems; fruit smooth, dark purple, pleasant. 

