NATIVE WOODY PLANTS OF THE UNITED STATES 203 
Stomach records: Six species of birds, including ruffed grouse; Mono chip- 
munk. Observations: Of outstanding importance as browse for mule deer; 
much eaten by Allen’s chipmunk; alpine chipmunk. Of most value as stock 
forage toward the end of the season; has been frequently ciaimed to be 
poisonous, but probably because it has been confused with the chokecherries. 
Prunus eriogyna Mason. Desert apricot. 
P. fremontii Wats., Amygdalus fremontii (Wats.) Abrams. 
Range: 5, 10. 
Site: Dry, sun. 
Fruit: Drupe, available in May. 
A large, spiny shrub; flowers February—March; heat and drought resistant; 
germination of seed rapid, from 8 to 10 days after planting. Furnishes a small 
amount of forage for sheep and goats. 
Prunus eximia Small. 
Padus eximia Small. 
Range: 17. 
Site: Well-drained, sun. 
Fruit: Drupe. 
A large tree. 
Prunus fasciculata Gray. Desert almond. 
Hmplectocladus fasciculatus Torr., Lyciwm spencerae MacBr., Amygdalus 
fasciculata Gray. 
Range: 3, 5, 9, 10, 11, 18. 
Site: Dry, sun. 
Fruit: Drupe, available April—May. 
A small to large shrub or small tree; dioecious, thorny; occurs in gravelly 
and sandy soil; densely branched; ferms dense thickets. Furnishes some 
browse for sheep and goats. 
Prunus fremontii, see Prunus eriogynd. 
Prunus fultonensis, see Prunus mexicana. 
Prunus glandulosa, see Prunus terand. 
Prunus gracilis Engelm. and Gray. Oklahoma plum. 
P. normalis Rydb., P. normalis Small, P. chicasa normalis Torr. and Gray. 
Range: 16, 22, 25. 
Site: Dry, sun. 
Fruit: Drupe, available June-August. 
A small, straggling shrub; commonly occurs in sandy soil; thicket forming; 
especially susceptible to the black knot fungus. 
Prunus havardii (Wight) Mason. 
Range: 11. 
Site: Dry, well-drained, sun. 
Fruit: Drupe, available in July. 
A large, rigidly-branched, spinescent shrub. 
Prunus hookeri, see Prunus texanda. 
Prunus hortulana, see also Prunus munsoniana. 
Prunus hortulana Bailey. Wild goose plum. 
Range: 22, 25, 27, 29. 
Site: Dry, well-drained, moist. 
Fruit: Drupe, available July—October. 
A large shrub to small or large tree; flowers April-May; commonly occurs 
in rich soils; does not produce suckers but often oceurs in groves; fruit pro- 
duced abundantly ; 34 named varieties are known. 
Prunus ilicifolia (Nutt.) Walp. (pi. 26, C). Hollyleaf cherry. 
Range: 1, 3, 4, 5. 
Site: Dry, well-drained, moist, sun. 
Fruit: Drupe, available October-December. 
A large shrub to small or large tree; evergreen; foliage dense and compact; 
flowers March-May ; occurs in sand, loam, clay, and other soils; clump forming ; 
