112 Bulletin of the University of Texas 
2 or 5. Fruit variousiy colored, oblong to subglobose, sour, 
with flattened wrinkled stone. 
Arkansas, Louisiana and Texas. 
2. Prunus Americana Marsh. A medium sized, broad 
topped spiny tree. 25°-30° high with drooping branches, green 
twigs and reddish brown branchlets. Leaves oval to obovate, 
pointed at the apex, 3’-4’ long, 1144’ wide, sharply serrate 
with ineurved teeth, smooth and yellow to dark green above, 
paler and somewhat hairy beneath. Flowers white in clus- 
ters of 2-5. Fruit globular to oblong, 1’ or less tong, red, with 
juicy, acid flesh. 
New York west to Montana, south to Florida and west to 
Texas. Cultivated for fruit and ornament throughout its 
range. 
3. Prunus hortulana Bailey. Wild Plum. A small low 
branched, broad topped tree 20°-25° high with thin dark 
brown bark and reddish brown twigs. Leaves ovate-lanceo- 
late or oval, 4’-6’ long, 1’-114’ wide, firm, long pointed 
at the apex, serrate with incurved elandular teeth, smooth, 
dark green above, paler and with hairs in the axils of primary 
vein beneath. Flowers in 2-4 flowered lateral clusters before 
the leaves. Fruit globular to subglobose or oval, 34’-1’ in 
diameter, red, with thin, hard, acid flesh. 
In rich moist soil. Illinois to Tennessee, Alabama, Arkansas 
and Texas. 
PADUS Borkhausen. Wild Cherries. 
Sepals not present on fruit, leaves with slender 
|e SY 8 ee Nm tem AEN re GIR EPONA LZ nit es, CRM tre aap ee 8 1. P. Virginiana. 
Sepals present on fruit, leaves with coarse teeth. 
Sepals broader than long, leaves with reticulate 
SE TEDGe ychs Gh Aare, cee rel aia koe Rotter site ear oe eee 2. P. eximia; 
Sepals longer than broad, leaves not reticulate 
WIT GL os hss scene Aas soe. ates aise aed da bt bd Nara 3. P. serotina. 
1, Padus Virginiana (L.) Roemer. Choke Cherry. A 
shrub or small tree 20°-25° high with spreading. drooping 
branches, thin, smooth, dark gray bark and reddish brown 
twigs. Leaves ovate to obovate, 2’-4’ long, 1’-2’ wide, thin, 
