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 claimed 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. 



Emplectocladns fasciculatus Torr., Lycium spencerae MacBr., Amygdalus 

 fasciculata, Gray. 

 Range : 3, 5, 9, 10, 11, 13. 

 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; forms dense thickets. Furnishes some 

 browse for sheep and goats. 



Prunus fremontii, see Prunus eriogyna. 

 Prunus fultonensis, see Prunus mexicana. 

 Prunus glandulosa, see Prunus texana. 



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 f uugus. 



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 texana. 



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 occurs 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 ; 



