260 VITACEAE. 



2. CISSUS L. Sp. PI. 117. 1753. 



Mostly climbing vines with fleshy foliage. Leaves 3-foliolate or simple, 

 when compound the leaflets commonly separating in drying. Flowers mostly 

 perfect. Petals usually 4, spreading. Disk cup-shaped, adnate to the base 

 of the ovary, mostly 4-lobed. Disk cup-like, 4-lobed. Stamens 4. [Greek, 

 ivy.] A large genus, mostly tropical. Type species: Cissus vitiginea L. 



Leaves simple. 1. C. sicyoides. 



Leaves trifoliolate. 



Fruit tubercled ; leaflets 3-6 cm. long. 2. C. tuberculata. 



Fruit smooth ; leaflets 13 cm. long. 



Leaflets ovate to obovate, deeply and sharply serrate, very 



fleshy. 3. C. trifoliata. 



Leaflets oblong to oblong-lanceolate, sparingly toothed, 



slightly fleshy. 4. C. intermedia. 



1. Cissus sicyoides L. Syst. ed. 10, 897. 1759 



A vine, climbing to a height of 6 m. or more, the foliage pubescent or 

 nearly glabrous. Leaves simple, petioled, ovate or ovate-oblong, 28 cm. long, 

 acute or acuminate at the apex, truncate or cordate at the base, serrate, the 

 teeth acute or bristle-tipped, the petioles 1-4 cm. long; tendrils slender, often 

 as long as the leaves; cymes peduncled; berries subglobose, black, 8-10 mm. 

 in diameter; seeds 4-5 mm. long. 



Rocky coppices and scrub-lands, Andros, New Providence and Eleuthera : Ber- 

 muda ; Florida ; the West Indies and continental tropical America. COMMON Cissus. 



2. Cissus tuberculata Jacq. Hort. Schoen. 1 : 14. pi. 32. 1797. 



A somewhat woody, rather fleshy vine, up to 6 m. long or longer, glabrous 

 or nearly so, the stems usually tuberculate. Leaves long-petioled, 3-foliolate; 

 leaflets ovate to elliptic or oblong-lanceolate, 3-6 cm. long, obtuse or acute at 

 the apex, narrowed or rounded at the base, low-serrate or nearly entire, the 

 lateral ones oblique ; cymes compound, slightly and sparingly pubescent ; pedicels 

 10 mm. long or less; petals red or pink, reflexed, ovate, acute; berry obovoid, 

 tubercled or at length smooth, black, 6-8 mm. in diameter. 



Rocky open places and coppices, Great Bahama, Andros, New Providence and 

 ithera : Cuba. Reported 

 WARTY Cissus. Catesby, 2 : 



Eleuthera ^ Cuba^ Reported by Mrs. Northrop and by Coker as C. microcarpa Vahl. 



3. Cissus trifoliata L. Syst, ed. 10, 897. 1759. 



Sicyos trifoliata L, Sp. PI. 1013. 1753. 

 Cissus acida L. Sp. PI. ed. 2, 170. 1762. 



A very fleshy vine up to 5 m. long, glabrous throughout. Leaves 3-foli- 

 olate; leaflets ovate to obovate or suborbicular, 1-3 cm. long, sharply toothed 

 above the middle, narrowed or cuneate at the base ; flowers in compound cymes ; 

 berries globose to ovoid, dark purple, apiculate, 5-7 mm. in diameter, the fruit- 

 ing pedicels recurved; seeds obovoid. 



Rocky plains and scrub-lands, Long Island, Acklin's, East Caicos and Little 

 Inagua : Florida ; Jamaica ; Cuba to Virgin Gorda and St. Croix ; recorded south to 

 Martinique and from northern South America. THICK-LEAVED Cissus. 



4. Cissus intermedia A. Rich. Ess. Fl. Cub. 1: 311. 1845. 



A slender, slightly fleshy vine, sometimes 2 m. long or longer, the branches 

 and leaves glabrous, the stems and branches sometimes warty or tuberculate. 

 Leaves slender-petioled, trifoliolate; leaflets oblong to oblong-lanceolate,. 

 1.5-3 cm. long, mostly acute, sparingly serrate, the terminal one equilateral, 



