304. Trees for Shade and Ornament 
color or pink flowers; these have also the advantage of being without 
insect enemies (as yet!). 
P, Pseudo-Cerasus, var. hortensis Max. (271), the celebrated 
Flowering Cherry from Japan, and a long list of other varieties and 
forms, are very valuable in form and in flowering, some with large 
double white flowers (April, May). They are only half hardy in New 
England. 
Fic. 109 ~~ Japanese Plum. Prunus Pissardiz Dipp. 
P. Japonica Thunb. (272) (Simensis), is a small tree of the almond 
tribe, with a profusion of large, white, rose-like flowers arriving in ad- 
vance of the foliage. Varieties of dwarf habit and of red or rose-colored 
flowers are equally showy. There is, however, considerable doubt as 
to the proper application of the name, since there are at least six 
different species or forms offered under the same name. 
P, Pissardu Dipp. (cericsfera atropurpurea) (273), Japanese Plum. 
For color there is hardly any more satisfactory small tree to be found 
