i 
FOREST-TREES OF THE UNITED STATES. 13 
are eaten by the Colorado Indians, powdered to a coarse meal, and made 
into a kind of bread. They are also good food for horses. 
No. 95. Leuccena retusa, Gr.—Texas and westward. 
No. 96. Acacia Farnesiana, Willd.—Texas and westward. 
No. 97. Pithecolobium Unguis-Cati, Benth.—Cat’s-claw.—South Flor- 
ida. In South Florida, mostly a shrub, rarely a small tree. The barix 
has medicinal properties. 
ROSACEAE. 
No. 98. Prunus Americana, Marsh.—Wild Yellow or Red Plum.—Hast- 
ern United States. This is the common wild plum of the country east 
of the Rocky Mountains, from Mississippi to Minnesota. In the valley 
of the Mississippi, and particularly southwestward, the two next named 
species also occur. 
No. 99. Prunus rivularis, Scheele.-—Wild Plum.—Mississippi Valley 
and westward. 
No. 100. Prunus Chicasa, Michx.— Chickasaw Plum.— Southeastern 
United States. 
No. 101. Prunus wnbellata, Ell.—Small Wild Plum.—South Carolina 
and southward. <A small purple or black plum, sour and bitter, growing 
trom South Carolina to Florida. 
No. 102. Prunus Pennsylvanica, L.— Wild Red Cherry.—Eastern United 
States. A small tree, or often a shrub, with sour, unpleasant fruit. 
No. 103. Prunus serotina, Ehrh.— Wild Black Cherry.—LHastern United 
States. <A fine, large tree, of wide range, frequent in the Northern and 
Western States, and along the Alleghany Mountains in the Southern 
States. The wood is compact, fine-grained, and highly esteemed for 
cabinet-work. The fruit is small, rather sweet and pleasant when fully 
ripe. 
No. 104. Prunus Virginiana, L.—Choke-cherry.— Eastern United 
States. 
No. 105. Prunus Caroliniana, Ait—Mock Orange.—North Carolina 
and southward. A small tree with evergreen leaves, growing from North 
Carolina to Florida and in the Gulf States. It closely resembles the 
Cherry Laurelof Europe. Itis a beautiful tree for cultivation, but prob- 
ably would not bear a northern climate. 
No. 106. Prunus demissa, Walp.—Roecky Mountain Choke-cherry.— 
Rocky Mountains and California. 
No. 107. Prunus Andersonit, Gr.—Desert Plum.—California and Ne- 
yada. 
No. 108. Prunus ilicifolia, Nutt.—Holly-leaved Cherry.—California. 
No. 109. Prunus mollis, Doug.—Oregon. This is the principal wild 
cherry of Oregon and the northwestern coast. It grows to the height 
of 20 to 30 feet.. The fruit is astringent and unpleasant. 
No. 110. Nuttallia cerasiformis, T. & G.—California. 
‘No. 111. Adenostoma sparsiflora, Torr.—Chimisell.—California. 
No. 112. Cercocarpus ledifolius, Nutt.—Mountain Mahogany.—Rocky 
Mountains. A low, spreading tree, not usually over 10 to 15 feet high, 
but sometimes 40 feet high, and 24 feet thick. The leaves are evergreen ; 
the wood is a dark red, like mahogany, extremely compact and heavy. 
Jt is frequent on the mountains of Utah, Nevada, and California. 
No. 113. Cercocarpus parvifolius, Nutt.—Small Mountain Mahogany.— 
California. A much smaller tree or shrub than the preceding; the wood 
quite similar. 
No. 114. Pyrus coronaria, L.—American Crab Apple.—Eastern United 
States. The common wild crab apple of the United States, growing in 
glades and frequently forming extensive thickets. The fruit is variable, 
