io6 Rose (Rosacece) 



Fig. 43. Black Thorn. Pear Thorn. C. tomentbsa, L. 



Flowers, often one inch across, white, eight to twelve in a 

 cluster, fragrant. May, June, 



Leaves, variable, sometimes with quite deep and sharp 

 cuts, almost forming small lobes, about three to five 

 inches long, oval to reverse egg-shape, tapering in a 

 hollow curve, and along the sides of the leaf-stem to 

 a point ; under surface downy, at least when young, 

 permanently downy on the veins. Leaf-stem, bor- 

 dered by the leaf, to its base. Thorns, one to two 

 inches .long. Bark of trunk smooth and gray, new 

 twigs light greenish-brown. 



Fruit, about one half inch in diameter, round or pear- 

 shaped, orange-red or crimson ; edible. October. 



Found, through the Atlantic forests to Western Florida, 

 and far westward ; common. 



A thickly branching shrub (or small tree) eight to 

 twenty feet high, the most widely distributed of the 

 American Thorns. It varies greatly in size and in the 

 style of its fruit and leaves. 



Fig. 44. Cockspur Thorn. C. crus-gdili, L. 



Flowers, white, fragrant, in clusters of about fifteen blos- 

 soms on very short side branchlets. June. 



Leaves, sharply toothed toward the apex, entire below, 

 one to two and one half inches long, thick, very 

 smooth, and shining above, reverse egg-shape, or 

 reverse lance-shape to somewhat oval. Apex, usually 

 rounded, sometimes pointed. Base, tapering to a 

 point, quite variable. Leaf-stem, short. Thorns, 

 two to three inches long, rather slender, and straight. 



