336 OLEACE.E. (olive family.) 



•t-t. ++ Body of fruit more slender, tapering gradually from summit to base, more 

 or less margined upward by the decarrent wing. 



2. F. pubescens, Lam. (Red Ash.) Branchlets and petioles velvety- 

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

 cire, pale or more or less pubescent beneath ; fruit 11-2' long, the edges gradu- 

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

 range ; rare Avest 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. 



M- H- 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 broadly winged (not rarely 3-winged), oblong (9" wide), with a tapering 

 lase. — Deep river-swamps, Ya. 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 oblong, 

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

 notched at the apex (H' 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 ivholly naked. 



6. F. sambucifdlia, 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-celled, 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.) 



L F. acuminata^ Poir. Glabrous, somewhat spinescent, 5- 10° high; 

 leaves thin, oi)long-ovate or ovate-lanceolate, acuminate at both ends, often 

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

 Ind. to Mo., soutli to Tex. April. 



