336 OLEACE^E. (OLIVE FAMILY.) 



-w- -H- Body of fruit more slender, tapering gradually from summit to base, more 

 or less margined upward by the decurrent wing. 



2. F. pub6scens, Lam. (RED ASH.) Branchlets and petioles relr-eti/- 

 pubescent; leaflets 7-9, ovate or oblong-lanceolate, taper-pointed, almost en- 

 cire, pale or more or less pubescent beneath ; fruit 1^-2' long, the edges gradu- 

 ally dilated into the linear or spatulate wing. Low grounds, throughout our 

 range ; rare west of Ohio. Tree of middle or large size ; inner face of outer 

 bark of the branches red or cinnamon-color when fresh. 



3. F. Viridis, Michx. f. (GREEN ASH.) Glabrous throughout; leaflets 

 5-9, ovate or oblong-lanceolate, often wedge-shaped at the base and serrate 

 above, bright green both sides ; fruit much as in n. 2. Along streams ; com- 

 mon. Intermediate forms occur with paler leaves somewhat pubescent be- 

 neath. A small or middle-sized tree. 



-i- -i- Fruit with compressed and wing-margined body. 



4. F. platycarpa, Michx. (WATER-ASH.) Branchlets terete, glabrous 

 or pubescent ; leaflets 5-7, ovate or oblong, acute at both ends, short-stalked ; 



fruit broadl ij winged (not rarely 3-winged), o/i/ong (9" wide), with a tapering 

 base. Deep river-swamps, Va. to La. March. Tree of middle size. 



5. F. quadrangulata, Michx. (BLUE ASH.) Branchlets square, at 

 least on vigorous shoots, glabrous; leaflets 7-9, short-stalked, oblong-ovate 

 or lanceolate, pointed, sharply serrate, green both sides ; fruit narrowly ob/onr/, 

 blunt, and of the same width at both ends, or slightly narrowed at the base, often 

 notched at the apex (1-J' long, 3-4" wide). Dry or moist rich woods, Ohio 

 to Mich, and Minn., south to Tenn. Large timber tree, the ii.ner bark yield- 

 ing a blue color to water. 



* * Lateral leaflets sessile ; anthers short-oblong ; flowers wholly naked. 



6. F. sambucifblia, Lam. (BLACK ASH.) Branchlets and petioles 

 glabrous; leaflets 7-11, oblong-lanceolate, tapering to a point, serrate, ob- 

 tuse or rounded at the base, green and smooth both sides, when young with 

 some rusty hairs along the midrib; fruit linear-oblong or narrowly elliptical, 

 blunt at both ends. Swamps and wet banks, N. Scotia to Minn., south to 

 Va. and Mo. Small or middle-sized tree, with very tough and fissile wood. 

 Bruised foliage exhales the odor of Elder. 



2. FORESTIERA, Poir. 



Flowers dioecious, crowded in catkin-like scaly buds from the axils of last 

 year's leaves, imbricated with scales. Corolla none. Calyx of 4 minute se- 

 pals. Stamens 2-4 ; anthers oblong Ovary ovate, 2-celled, with 2 pendulous 

 ovules in each cell ; style slender; stigma somewhat 2-lobed. Drupe small, 

 ovoid, 1-cellt'd. 1 -seeded. Shrubs, with opposite and often fascicled deciduous 

 leaves and small flowers. Fertile peduncles short, 1 - 3-flowered. (Named for 

 M . Forestier, a French physician.) 



1. F. acuminata, Poir. Glabrous, somewhat spinesceut, 5- 10 high; 

 leaves thin, oblong-ovate or ovate-lanceolate, acuminate at both ends, often 

 serrulate ; drupe elongated-oblong, usually pointed. Wet river banks, S. W. 

 Ind. to Mo., south to Tex. April. 



