FLORA OF THE DTSTEICT OF COLUMBIA. 227 



6. DODECATHEON L. 



1. Dodecatheon meadia L. Shooting stah. 



Moist situations, usually in rich open woods; several localitier?, Corcoran 's Woods, 

 Glen Echo, Chevy Chase, and near Dead Run. May. Eastern U. S. 



123. DIOS^PYRACEAE. Ebony Family. 



1. DIOSPYROS L. 



1, Diospyros virginiana L. Persimmon. 



Old fields. May; fr. Oct. Eastern U. S. 



124. OLEACEAE. Olive Family. 



The commonly cultivated species are the lilac (Syringa vulgaris L.); the golden 

 bell (Forsythia suspensa Vahl), a shrub with simple leaves, the yellow 4-parted flowers 

 appearing before the leaves in early spring; and the jasmine or jessamine. The white 

 jasmine, Jasminum officinale L., has pinnate leaves, and white flowers in summer. 

 The yellow jasmine, /. nudifiorum Lindl., has trifoliolate leaves and scattered yellow 

 flowers appearing before the leaves in early spring, the branches drooping or 

 reclining. 



Leaves compound, unequally pinnate; flowers green; fruit linear or oblong, dry, 

 winged 1 • FRAXINUS . 



Leaves simple; flowers white; fruit fleshy. 

 Leaves lanceolate or oblong, 2-5 cm. long; corolla small, 4-lobed; fruit a S-sided 



l_3.8eeded berry 2. LIGXJSTRUM. 



Leaves oblong, oval, or obovate, 7-14 cm. long; corolla cleft to the base into 4 linear 

 lobes 2.5 cm. long; fruit a l-S-seeded drupe 3. CHIONANTHUS. 



1. FRAXINUS L. Ash. 



Lateral leaflets sessile. Leaflets 3-5 pairs, ovate to oblong-lanceolate, sharply serrate, 

 5-10 cm. long or more, green on both sides; fruit 2.5-4 cm. long, winged all around 



or nearly so 1- I"- nigra. 



Lateral leaflets stalked. 

 Branchlets and petioles glabrous. Fruit 2.5-5 cm. long, terete below. 

 Leaflets pale beneath, ovate-lanceolate or oblong-lanceolate, glabrous or pubes- 

 cent, entire or serrate; wing of the fruit 2-3 times the length of the body, 



commonly pointed 2. F. americana. 



Leaflets green beneath, oblong-lanceolate, commonly glabrous beneath, often 

 wedge-shaped at the base, serrate; wing of the fruit rarely over twice as long 



as the body, truncate or emarginate 4a. F. pennsylvanica lanceolata. 



Branchlets and petioles pubescent or tomentose. 

 Leaflets pale and pubescent beneath, 7-9, lanceolate, acuminate, commonly 

 entire; fruit 4-6 cm. long, the wing terminal, 2-4 times as long as the body. 



3. F. biltmoreana. 



Leaflets green beneath, 5-9, ovate or oblong-lanceolate, entire or serrulate; fruit 



4-5 cm. long, the wing decurrent on the terete body, rarely twice as long as 



the latter 4- F. pennsylvanica. 



1. Fraxinus nigra Marsh. Black ash. 

 Swamps and along creeks. Apr .-May. Northern states, south to Va. 



2. Fraxinus americana L. White ash. 

 Moist woods. Apr. -May. Eastern U. S. 



3. Fraxinus biltmoreana Beadle. Biltmore ash. 

 Low places and along streams. Apr.-May. Pa. to Ga. (Included in J^. pubescens 



by Ward.) 



