42 MISC. PUBLICATIONS 3 9 5, U. S. DEPT. OF AGRICULTURE 



C. Leaves even sided — Continued. 



(5) Leaves oval — Continued. 



(b) Fruit, a berry — Continued. 



(v) Leaves small- or medium-sized, feather-veined; 

 containing green juice; fruit (cherry or plum) 

 with one hard-shelled, flattened or spherical seed. 

 (/.) Seed ("stone") flattened. Fruit large 

 and short-stemmed .... (Prunus) Plum. 

 {it) Seed spherical. Fruit small and long- 

 stemmed (Prunus) Cherry. 



777. Leaves simple, alternate, regularly or irregularly lobed, edge neither toothed 



nor notched 



A. Leaves with deep lobes. 



(1) Leaves with blunt ends (appearing as if cut off), and with two 



pointed, side lobes. Flowers tuliplike. Fruit conelike, pointed, 

 upright, composed of long, thin, overlapping, winged seeds. 

 Bruised twigs have a peppery odor. 



(Liriodendron) Yellow poplar (tuliptree). 



(2) Leaves with rounded ends; oval, often with a lobe on one side, 



making the leaf mitten-shaped, or sometimes with a lobe on each 

 side. Bruised twigs and inner bark of trunk sweet-smelling. 



(Sassafras) Sassafras. 



B. Leaves without lobes. 



(1) Bruised twigs with peppery odor. 



(a) Leaves oval (evergreen in one species) or elongated, pointed, 

 large. Flowers large, at ends of branches. Fruit cone- 

 like, with a bright red seed in each division. 



(Magnolia) Magnolia. 



(2) Bruised twigs without peppery odor. 



(a) Leaves broader at top than at the base, 8 to 12 inches 



long, with very short leafstalk. Fruit fleshy, edible, 

 elongated, 3 to 4 inches long, with thick, yellowish, 

 smooth skin when ripe, and large, bony, flat seeds. 

 Buds brown and hairy (Asimina) Papaw. 



(b) Leaves broadest at middle, oval, 3 to 10 inches long. 



(x) Fruit short-stalked, spherical, 1 to l/<> inches in 

 diameter; when ripe pale orange color, sur- 

 rounded at base with old flower-cup; very bitter, 

 but edible after frost ... (Diospyros) Persimmon. 



(v) Fruit long-stalked, elongated or spherical, solitary 

 or in pairs, with thin flesh and a ridged stone 

 or seed. . . . (Nyssa) Tupelo (known also as gum). 



(c) Leaves rounded or heart-shaped, 3 to 5 inches across. 



Flowers pealike, pink, appearing before the leaves. 

 Fruit, a dry flat pod, 2% to 3% inches long; in dense 

 clusters on sides of branches; seeds, hard, small, oblong, 

 % inch long (Cercis) Redbud. 



(3) Bruised or cut twigs and leaves with milkv juice. 



(a) Leaves with narrow points. Twigs bearing thorns. Fruit 

 large, orangelike, with smooth, uneven surface, 4 to 6 

 inches in diameter (Toxylon) Osageorange. 



