22 SILVA OF NORTH AMERICA. ROSACEZ. 
tomentose young branches, its tomentose or pubescent leaves, in its hairy umbels, tomentose calyx and 
pistil, and in the shape of the fruit, which varies from subglobose to short-oblong.' 
1 Prunus umbellata is often quite glabrous with the exception of the Plum-trees which grow about the base of Stone Mountain 
a few hairs along the under surface of the young leaves and the 
tomentum on the inner side of the calyx-lobe, but more or less 
pubescent individuals occur in widely scattered regions, and among 
there are plants which are pubescent rather than tomentose, and 
others which are nearly glabrous. 
EXPLANATION OF THE PLATE. 
PiateE DCXXXI. Prunus UMBELLATA, var. INJUCUNDA. 
1. A flowering branch, natural size. 
. Vertical section of a flower, enlarged. 
. A fruiting branch, natural size. 
. Vertical section of a fruit, showing stone, natural size. 
A stone, natural size. 
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