264 ORDER XXXVII. VYTACEM. 



veins pubescent. Flowers fragrant, in loose racemes. Fruit small, 

 dark purple. — Yellow. ^ . May— July. Along the margins of rivers 

 in the upper country. Winter Grape — pleasant fruit. 



4. V. ^estiva'lis, (Mich.) Stem very loug, glabrous ; young branches 

 tomentose. Leaves broadly cordate, 3 — 5-lobed, ferruginous, tomen- 

 tose beneath when young, coarsely and unequally toothed, sometimes 

 not lobed. Flowers in racemes, opposite the leaves, polygamous or di- 

 oecious. Fruit small, black, very sour. — Greenish-yellow. *> . May. 

 In rich soil. Summer Grape. 



5. V. labrus'ca, (L) A large vine, covering the loftiest trees; 

 branches covered with a ferruginous pubescence. Leaves broadly cor- 

 date, lobed, and angled ; repand toothed, tomentose beneath. Racemes 

 small, fertile. Fruit dark purple, globose, large, of a disagreeable fla- 

 vor. From the seeds of this species have been produced several very 

 highly esteemed garden varieties. — Greenish-yellow. ^ . June. Rich, 

 high spots in swamps. 



Isabella, Alexander s, Catawba, and Bland's Grape. 



6. V. bipinna'ta, (T. & G.) (Cissus bipinnata of EH.) Stem up- 

 right, somewhat twining, without tendrils. Branches numerous, gla- 

 brous, a little angular. Leaves bipinnate, glabrous, leaflets serrate, 

 lower ones sometimes decompound, leaflets slightly cordate, acute. 

 Flowers in short spreading panicles. Petals expanding, generally pen- 

 tandrous. Style conical. Fruit globose, depressed, glabrous or slightly 

 hairy, nearly black, 2-celled. — Greenish-yellow. ^. June — July. 

 Rich soils. 



7. V. ampelop'sis. Stem climbing, glabrous. Leaves simple, 3-lobed, 

 or truncate, serrate, pubescent on the veins beneath. Flowers in di- 

 ehototnously divided panicles, without tendrils, opposite the leaves. 

 Calyx obscurely toothed. Petals 6. Stamens 5. Fruit 1-celled, 1 — 2- 

 seeded, small. — Yellow. ^ . June. S. Car. in swamps 



Genus II— AMPELOP'SIS. Mich. 5—1. 

 (From the Greek ampelo.% a vine, and opsis, a resemblance.) 



Calyx entire. Petals 5, reflexed, spreading. Stamens 5. 

 Ovary 2-celled, with 2 ovules in each cell. Style conical. 

 Fruit a 2-celled berry, with 1 or 2 seeds in each cell. Flowers 

 perfect, in corymbose panicles. A shrubby vine. 



1. A. hedera'cea, (D. C.) Stem climbing lofty trees, throwing out 

 6hort lateral fibres by which it attaches itself. Leaves on long petioles, 

 digitate, by fives. Leaflets petiolate, oblong, coarsely serrate, glabrous, 

 the middle leaflet largest. Pawic/e.smany-fiowered, opposite the leaves, 

 the ultimate divisions umbellate, peduncles crimson. Petals much 

 longer than the calyx. Fruit deep blue, about as' large as a pea. — 

 Yellowish green. ^ . June. In moist soils. 



American Ivy. Virginian Creeper. A. quinquefolia, Mich. 



Order XXX VIII.— ACER A'CE^E. Juss. 



Sepals 5, or rarely 4 — 9, united at the base, colored, with an 

 imbricate aestivation. Petals as many as sepals and alternate 



