74 VITACE^E. (VINE FAMILY.) 



panicles long and loose; berries small, black, ripening late. River banks 

 and low ground. May -June. Stem climbing high. Berries 2" -3" iii 

 diameter, sharply acid. 



6. V. riparia, Michx. Leaves orbicular-cordate, with a rounded sinus, 

 3' -6' wide, strongly 3-5-lobecl, coarsely toothed; stipules 2" -3" long; 

 panicle small, the berries in compact clusters, 4" -5" in diameter, black with 

 a bloom, sweet and juicy, ripening early. River banks, Tennessee. 



7. V. rupestris, Scheele. Stem low, erect, branching ; leaves 3' long, 

 glabrous, cordate or truncate at the base, rarely lobed, coarsely toothed ; 

 berries small, sweet and juicy. Sandy banks, Tennessee, and westward. 

 May. Tendrils weak arid deciduous, or uoiie. 



2. MUSCADINIA. Bark pale and smooth; tendrils simple; jiith continuous 

 through the nodes ; seed transversely wrinkled. 



8. V. rotundifolia, Michx. (MUSCADINE, BULLACE.) Leaves broadly 

 cordate, toothed-serrate, mostly smooth and glossy, the sinus broad and 

 rounded, or narrow and acute ; panicle small ; berry large. Banks of rivers, 

 Florida to North Carolina, and westward. June. Stem climbing high. 

 Leaves 2' -3' wide. Berry i'-f in diameter, purple, pleasant-flavored. 

 A form with smaller leaves and berries, the latter very austere, and sometimes 

 called the MUSTANG GRAPE, is common along the coast. 



2. CISSUS, L. 



Flowers mostly perfect. Petals 4, and spreading, rarely 5, and cohering 

 at the top. Stamens 4-5. Disk cup-shaped. Styles mostly slender. 

 Leaves simple or compound. Inflorescence cymose. Berries small, inedible. 



1. C. bipiniiata, Nutt. Leaves bipinnate, sraoothish; leaflets small, 

 ovate, sharply toothed ; flowers somewhat cymose, on along forking peduncle ; 

 petals 4-5, united at the apex, or spreading ; style conical ; disk 4 - 5-lobed : 

 berry 2-4-seeded. Margins of swamps. June -July. Stem climbing. 

 Leaflets 4/ - 1' long. Berry small, black. 



2. C. acida, L. Branches geniculate ; leaves trifoliolate, thick and rigid ; 

 leaflets small, cuneate-obovate, sharply toothed at the apex ; flowers in com- 

 pound umbels; petals 4; berrv black, 1-seeded. Key West. Tendrils 

 stout and elongated. Leaflets 4/ long. 



3. C. incisa, Desmoul. Smooth; stem climbing, warty ; leaves trifolio 

 late, very thick and fleshy ; leaflets stalked, wedge-shaped and entire near the 

 base, the lateral ones 2-lobed, the middle 3 lobed, all mucronate-toothed or 

 serrate ; cymes trichotomous ; petals 4 ; berry globose-ovate, nodding, pointed 

 with the conspicuous slender style, 1-seeded. Sandy shores, Florida, and 

 westward. Stem 6 -12 long. Leaflets l'-3' long. Panicles cymose. 

 Berry 5" -6" long. 



4. C. Ampelopsis, Pers. Leaves simple, undivided, ovate, truncate, or 

 cordate at the base, acuminate, toothed-serrate, pubescent ; peduncles forking ; 

 petals and stamens 5 ; style slender ; disk cup-shaped ; berry 1 -3-seeded. 

 Banks of rivers, Florida to South Carolina, and westward. June. Stem 

 climbing high. Berry small, black. 



