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Horticultural uses. This is one of the most desirable thorns for 
ornamental planting and hedges. Its scarlet autumn foliage and 
beautiful little scarlet fruit persist for a long time. It is also one 
of the American thorns long in cultivation. 
According to the treatment’of the genus Cratzgus in Britton and 
Brown’s Illustrated Flora, 2d Edition, the range of the following 
species extend into Indiana. 
Throughout the State— In the northern part of the State— 
C. Boyntoni. C. Brainerdi. 
C. intricata. C. lucorum. 
C. straminea. c chrysocarpa. 
: ). roanensis. 
In the southern part of the State— © ai 
C. berberifolia. C. beata. 
C. denaria. C. villipes. 
C. fecunda. C. Pringlei. 
C. collina. C. albicans. 
C. ovata. 
AMYGDALACEZ. Tue Prum Famrty. 
Leaves alternate, simple, rather thick, usually serrate, stalked, 
stipules early fugacious; flowers regular, perfect, calyx and corolla 
5-merous; fruit a 1-seeded drupe. The trees of this family exude a 
gum when wounded, and those that occur in our area bear edible 
fruit. 
Flowers corymbose, appearing before or with the leaves 
on branchlets of the previous year................... 1 Prunus. 
Flowers racemose, appearing after the leaves on branch- 
letsroisthenycareryecnsg: pete erent nian antennae 2 Padus. 
PRUNUS. Tue Puums anp CHERRIES. 
(From prunus, the Latin word for plum.) 
Cherries, leaves shiny above; flowers small, petals mostly 
4-6 mm. (14 inch) long; stone of fruit globose........ 1 P. pennsylvanica. 
Plums, leaves dull above; petals 7-12 mm. (1/3-/4 inch) 
long; stone of fruit flattened. 
Teeth of leaves sharp pointed and ending in a callous 
tips Calyxlobesswithoutiglandse.s..e-eesocses sees 2 P. americana. 
Teeth of leaves rounded and the vein ending in the cen- 
ter tipped by a gland; calyx lobes glandular........ 3 P. nigra. 
1. Prunus pennsylvanica Linneus fils. Witp Rep Cuerry. 
Plate 98. Bark of trunk reddish-brown, redder than that of the 
common wild cherry; leaves oblong-lanceolate, 4-10 em. (114-4 
inches) long, thin, usually long taper-pointed, tapering or rounded 
at the base, serrate, sometimes doubly serrate, many of the teeth 
