P. sinensis. Manch. 
P. uni flora. N.W. China. 
PRUNUS, Rosaceae. Trees and shrubs, deciduous except P.car- 
oliniana, P. Laurocerasus, and P. lusitanica. This genus con¬ 
tains some of the most floriferous garden plants. Notable are 
the varieties of P. serrulata, P. persica, P. glandulosa, and P. ja- 
ponica. In addition the fruits of many are both attractive and 
edible [ 61 , 5L, 5E, nursery]. 
P. allegheniensis. Allegheny Plum; Conn, to Pa. 
P. americana. Mass, to Ga. and N. Mex. 
P. Amygdalo-persica (P. Amygdalus x Persica ). 
P. angustifolia. Chickasaw Plum; Md. to Fla. and Tex. 
P. Besseyi. Western Sand Cherry; Man. to Kans. and Colo. 
P. canescens. C. and W. China. 
P. CAROLINIANA. N. C. tO Tex. 
P. cerasifera atropurpurea (P. c. Pissardi). Purple-leaf Plum. 
P. c. divaricata. Cherry Plum; W. Asia, Caucasus. 
P. Cocomilia. Italy. 
P. crataegifolia. W. China. 
P. glandulosa. Dwarf Flowering Almond; C. and N. China, Japan 
P. g. sinensis. E. Asia. (Ap.). 
P. Gravesii. Conn. 
P. Gray ana. Japan. 
P. hortulana. Ky., Tenn. to Iowa and Okla. 
P. incana. S.E. Eu., W. Asia. 
P. incisa. Japan (Ap.). 
P. i. serrata. 
P. japonica. C. China, E. Asia (Ap.). 
P.;. Engleri. Manch. 
P. j. Nakaii. Korea. 
P. Thunbergii. 
P. latidentata trichostoma. W. China. 
P. Laurocerasus Reymanni.* 
* This is a variety of the Cherry Laurel, P. Laurocerasus, a native of 
Europe and Asia Minor. 
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