918 OLEACEAE 



or less pubescent on the nerves beneath, narrowed or truncate at the base, sessile : samaras 

 oblong or linear-oblong, 3-4 cm. long, longitudinally nerved ; body flat, winged all around, 

 ^ as long as the wing or longer. 



In swamps or damp soil, Newfoundland to Manitoba, Virginia and Arkansas. Black Ash. Bkown 

 Ash. Water Ash. 



2. Fraxinus quadrangulata Michx. A forest tree, rarely 36 m. tall, with ghibrous 

 or nearly glabrous foliage and 4-sided twigs. Leaves 2-3 dm. long; leaflets 7-11, the 

 blades of the lateral ones lanceolate, oblong-elliptic or ovate, 5-15 cm. long, acuminate, 

 serrate, rounded or acute at the base, with short stalks : samaras linear-oblong or oblong- 

 cuneate, 3-4 cm. long, longitudinally nerved ; body flat, longer than the part of the wing 

 beyond it. 



In rich woods, Ontario to Minnesota and Alabama. Blue Ash. 



3. Fraxinus pauciflora Nutt. A shrub or small tree, reaching a height of about 10 

 m., with glabrous foliage. Leaves 2-3 dm. long ; leaflets firm, 5-7, the blades of the lateral 

 ones lanceolate, elliptic or oblong or some ovate, 4-15 cm. long, acute or acuminate at the 

 apex, undulate or repand, rounded or acute at the base : samaras oblong or spatulate, 

 4-6 cm. long, longitudinally nerved ; body flat, about as long as the part of the wing be- 

 yond it or shorter. 



In river swamps, southern Georgia to Florida and Louisiana. 



4. Fraxinus Caroliniana Mill. A shrub, or a small tree sometimes 12 m. tall, with 



glabrous or pubescent twigs. Leaves 1-3 dm. long ; leaflets 5-9, usually 5-7, the 



blades of the lateral ones elliptic-lanceolate, 4-12 cm. long, usually acute at both ends, 



shallowly serrate or nearly entire : samaras elliptic or nearly so, varying to ovate or obo- 



vate, 4-5 cm. long, acute at both ends or sometimes obtuse at the apex, the linear body 



flat, the 2-3 wings pinnately nerved. [F. platycarpa Michx. ] 



In swamps and low ground, Virginia and Arkansas to Florida and Texas. Water Ash. Pop Ash. 

 Poppy Ash. 



5. Fraxinus profunda Bush. A forest tree sometimes 35 m. tall, the twigs, petioles 

 and lower leaflet-surfaces usually velvety pubescent. Leaves 2-4 dm. long ; leaflets leathery, 

 7-9, the blades of the lateral ones lanceolate-ovate, elliptic or rarely oblong, 6-12 cm. 

 long, acuminate at both ends or rounded and more or less inequilateral at the base, entire 

 or undulate, dark green, glabrous and sometimes lustrous above : samaras 4-5 cm. long, 

 each with a thick oblong body and a linear-oblong wing which is decurrent to about the 

 middle of the body and emarginate or with a deep sinus at the apex. 



In swamps or on river banks, Pennsylvania to Missouri, south to Georgia. Pumpkin Ash. 



6. Fraxinus PennsylvAnica Marsh. A small tree, sometimes 26 m. tall, with 



pubescent twigs, petioles and lower leaflet-surfaces. Leaves 1.5-3 dm. long; leaflets 5-7, 



the blades of the lateral ones lanceolate, elliptic-lanceolate or elliptic, 5-15 cm. long, pale 



green, acute or acuminate at both ends, undulate or irregularly serrulate : samaras 2-6 cm. 



long, each with a linear wing niostly longer than the slender body on which it is decurrent 



to the middle or below it. 



Along streams and on river banks, New Brunswick to South Dakota, North Carolina and Kansas. 

 Red Ash. 



7. Fraxinus Berlandi^ri DC. A shrub or small tree, with glabrous young foliage. 

 Leaves 1-2 dm. long ; leaflets 3-5, the blades of the lateral ones lanceolate to elliptic, the 

 terminal one, and rarely the rest broadest above the middle, acute or acuminate, rather 

 sharply serrate, narrowed at the base : samaras with a club-shaped body and an elliptic- 

 spatulate or lanceolate wing which is decurrent to the middle of the body or below it. 



On river banks, Texas and northern Mexico. 



8. Fraxinus lanceolata Borck. A tree, sometimes 20 m. tall, with glabrous foliage. 

 Leaves 1-3 dm. long ; leaflets firm, 5-7, the blades of the lateral ones lanceolate or elliptic- 

 lanceolate and sometimes elliptic, 5-20 cm. long, pale or light green, usually acuminate 

 at both ends, entire or serrate, especially near the apex : samaras 3.5-6 cm. long, each 

 with a slender linear body and a linear or linear-oblong wing which is much longer than 

 the body or rarely about equal in length and decurrent to the middle or near it. 



Along streams, Quebec to the Northwest Territory, Florida, Louisiana and the Indian Territory. 

 Gkeen Ash. Swamp Ash. 



9. Fraxinus Tex^nais (A. Gray) Sargent. A tree 8-12 m. tall, with glabrous or 

 nearly glabrous foliage. Leaves 1-2 dm. long ; leaflets 5-7, the blades of the lateral ones 

 lanceolate to oval, 4-8 cm. long, usually toothed, glabrous or with few scattered hairs be- 

 neath : samara about 2 cm. long, the body oblong, terete, fully or nearly as long as the 

 spatulate terminal wing. 



On rocky hills, Texas. 



