4 I2 



VITACEAE. 



[VOL. II. 



2. AMPELOPSIS Michx. Fl. Bor. Am. i: 159. 1803. 



[Cissus Pers. Syn. i: 143. 1805. Not L. 1753 ] 



Climbing woody vines, or some species bushy, the coiling tendrils not tipped by adher- 

 ing expansions. Leaves simple, dentate or lobed, or pinnately or palmately compound. 

 Flowers polygamo-dioecious, or polygamo-monoecious. Petals 5, separate, spreading. 

 Disk cup-shaped, 5-lobed or annular, adnate to the base of the ovary; ovary 2-celled; ovules 

 2 in each cavity; style subulate. Berry 2-4-seedcd, the flesh usually thin and inedible. 

 [Greek, Vine-like.] 



About 15 species, natives of temperate and warm regions, only the following known to occur 

 in North America. 



Leaves coarsely serrate, or slightly 3-lobed. 

 Leaves 2-3-pinnately compound. 



1. A. cordala. 



2. A. arborea. 



I. 



Ampelopsis cor data Michx. 

 Simple-leaved Ampelopsis. 

 (Fig. 2408.) 



cordata Michx. Fl. Bor. Am. i: 



159. ' 1803. 



Cissus Ampelopsis Pers. Syn. i: 142. 1805. 

 / 'His indivisa Willd. Berl. Baumz. Ed. 2, 



538. 1811. 



Glabrous or the young twigs sparingly 

 pubescent, climbing, the branches nearly 

 terete; tendrils few or none. Leaves 

 broadly ovate, z'-tf long, coarsely serrate, 

 rarely slightly 3-lobed, glabrous on both 

 sides, or pubescent along the veins, trun- 

 cate or cordate at the base, acuminate at 

 the apex; panicles small, loose, with 2-3 

 main branches; corolla expanding its 

 petals; disk cup-shaped; berries 2 // ~3 // in 

 diameter, bluish, i-2-seeded, the flesh 

 very thin and inedible; seeds about 2" 

 long; raphc narrow. 



Swamps and river-banks, southern Virgi- 

 nia to Florida; west to Illinois, Kansas anil 

 Texas. May-June. 



2. Ampelopsis arbdrea (L.) 

 Rusby. Pepper-vine. Pinnate- 

 leaved Ampelopsis. (Fig. 2409.) 



J 'His arborea L. Sp. PI. 203. 1753. 

 Cissus stans Pers. Syn. i: 143. 1805. 

 / 'if is bipinnata T. & G. Fl. N. A. i: 243. 1838. 

 Ampelopsis arborea Rusby, Mem. Torr. 



Club, 5: 221. 1894. 



Glabrous or nearly so, erect or ascend- 

 ing, bushy, scarcely climbing; tendrils 

 often wanting. Leaves bipinnate, or the 

 lowest tripinnate and sometimes 8' in 

 length or more; leaflets ovate or rhombic- 

 ovate, j&'-i%' long, sharply serrate, acute 

 or acuminate at the apex, obtuse or 

 slightly cordate or the terminal one cune- 

 ate at the base, glabrous, or somewhat 

 pubescent on the veins beneath; panicles 

 short-cyniose; corolla expanding; berries 

 black, depressed-globose, about 3" in 

 diameter, sometimes pubescent, the flesh 

 thin, inedible; seeds 1-3. 



In rich moist soil, Virginia to Missouri, 

 Florida and Mexico. Also in Cuba. June- 

 July. 



Ampelopsis heterophylla (Thunb.) Sieb. & Zucc., a climbing eastern Asiatic vine, with deeply 

 palmately 3-5 lobed leaves and short-peduncled compound cymes, was found as a waif from culti- 

 vation at Lancaster, Pa., in 1890. 



