FOREST TBEES. 159 



0. apiiColla, Michx. Parsley-leaved Thorn. Leaves and young 

 branches white, pubescent or downy, when young ; leaves 

 small, divided into five to seven lobes, sharply toothed. Fruit 

 round, red when ripe, and edible. A small tree in moist soils, 

 from Virginia southward. 



('. arborescens, Elliott. Tall Hawthorn. Leaves smooth, thin, 

 oval or elliptical, sharp at both ends, and finely serrate. Flow- 

 ers abundant in large clusters. Fruit ovoid, red. Branches 

 with a few large stout thorns. Small tree, sometimes thirty feet 

 high. Georgia, Florida, and west to Texas. 



. berberifolia, Torr. and Gray. Barberry-leaved Hawthorn. 

 A doubtful species, about which little is known, although 

 mentioned in several botanical works. Said to be found in 

 Louisiana, and grows thirty feet high. 



C. coccinea, L. Scarlet-fruited Thorn. Leaves bright green, 

 smooth, thin, roundish-ovate, deeply cut or lobed, on slender 

 petioles. Flowers large, in large clusters. Fruit small, round, 

 or pear-shaped, bright red, scarcely eatable. A variable species 

 of which several varieties are mentioned in botanical works. A 

 small tree, seldom over twenty feet high. Common in Canada 

 and nearly all of our Northern States, and southward to Florida. 



C. cordata, Ait. Washington Thorn. Leaves large, thin, 

 bright green, broadly heart-shaped, sometimes almost triangu- 

 lar, often three to five-cleft or lobed. Thorns numerous, but 

 slender. Fruit small, round, not larger than a good-sized pea, 

 red. A small tree, formerly highly recommended for hedges. 

 Virginia, Kentucky, and southward. 



0. Crns-galli, L. Cock-spur Thorn. Leaves smooth, thick, 

 oblong-ovate, finely serrate above the middle, narrowed at the 

 base into a slender petiole. Flowers large and numerous. 

 Fruit large, bright red. Thorns numerous, and very long and 

 sharp. There are many natural or wild varieties. A tree fifteen 

 to twenty-five feet high, in both Northern and Southern States, 

 and westward beyond the Mississippi. 



C. Donglassii, Lindley. Douglass Thorn. Leaves broadly- 

 ovate, usually somewhat lobed or cut above, and rather finely 

 serrate, one to three inches long, with short stem. Flowers 

 large and numerous. Fruit a half inch in diameter, dark pur- 

 ple, sweet and edible. A small tree in California, and north- 

 ward to Puget Sound, along streams. 



C. flava, Ait. Yellow or Summer Hawthorn. Leaves thick, 



