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. Leucccna retusa, Gr. Texas and westward. 



No. 96. Acacia Farnesiana, Willd. Texas and westward. 



No. 97. Pithecolobium Unf/iiis-Cati, Benth. Cat's-claw. South Flor- 

 ida. In South Florida, mostly a shrub, rarely a small tree. The bark 

 has medicinal properties. 



ROSACE^E. 



No. 98. Primus Americana, Marsh. Wild Yellow or Red Plum. East- 

 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 south westward, 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 umbellate, Ell. Small Wild Plum. South Carolina 

 and southward. A small purple or black plum, sour and bitter, growing 

 from South Carolina to Florida. 



No. 102. Prunus Pennsylvania, L. Wild Red Cherry. Eastern United 

 States. A small tree, or often a shrub, with sour, unpleasant fruit. 



No. 103. Prunus serotina,EhTb. Wild Black Cherry. Eastern 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 Laurel of Europe. It is a beautiful tree for cultivation, but prob- 

 ably would not bear a northern climate. 



No. 10G. Prunus demissa, Walp. Rocky Mountain Choke-cherry. 

 Rocky Mountains and California. 



No. 107. Prunus Andersonii, Gr. Desert Plum. California and Ne- 

 vada. 



No. 108. Prunus iUcifolia, 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. Chirnisell. 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 2J feet thick. The leaves are evergreen ; 

 the wood is a dark red, like mahogany, extremely compact and heavy. 

 It 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 5 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, 



