VITACEAE 757 
Stipules caducous. Flowers polygamo-dioecious or dioecious, in alternate racemes or 
panicles. Disk hypogynous. Calyx minute. Corolla caducous: petals cohering at the 
top as a cap, never expanding. Stamens exserted, alternating with the lobes or glands of 
the disk. Ovary mostly 2-celled. Styles stout. Ovules 2 in each cavity. Berry glo- 
bose, finally edible. Seeds shaped like a coffee-grain. BULLACE GRAPE. 
Berries 1-1.5 em. in diameter; the skin and pulp tender, the latter acid : seeds 3-5 mm. long. 
1. M. Munsoniana. 
Berries 1.5-2.5 cm. in diameter; the skin and pulp tough, the latter musky: seeds 
6-9 mm, long. 2. M. rotundifolia. 
1. Muscadiaia Munsoniàna (Simpson) Small. A slender trailing or low-climbing 
vine. Leaf-blades thinnish, but rather firm, suborbicular or reniform, 4-8 cm. broad, 
coarsely toothed, glabrous, except the axils of the nerves beneath, persistent, cordate at 
the base ; petioles sometimes as long as the blades: panicles 2-8 cm. long: berries glo- 
bose, 1-1.5 cm. in diameter, nearly black with a slight bloom or shining, quite acid, with a 
thinnish skin, and tender pulp destitute of a musky taste: seeds 3-5 mm. long. [Vitis 
Munsoniana Simpson. ] 
In sandy soil, Georgia and Florida. Flowering and fruiting throughout the year. 
. 2. Muscadinia rotundifolia (Michx.) Small. A bushy, spreading or high climbing 
vine sometimes 30 m. long, the stems often producing aérial roots. f-blades'firm or 
leathery, suborbicular to ovate-orbicular, 4-9 cm. in diameter or longer, usually acuminate, 
coarsely toothed, glabrous, except the axils and sometimes the nerves beneath, cordate ; 
petioles mostly shorter than the blades: panicles 2-4 cm. long, the staminate longer than 
the fruit bearing : berries subglobose, 1.5-2.5 cm. in diameter, dull purple, without bloom, 
witha tough skin and musky pulp, the bunches globular: seeds 6-9 mm. long. [ Vitis 
rotundifolia Michx.] 
In sandy soil, on banks or in swamps and thickets, Delaware to Kansas, Florida and Texas. Spring 
and summer; fruit ripening in the summer and fall. 
3. CÍSSUS L. 
Climbing vines, with fleshy tissues and strong tendrils. Leaves alternate: blades 
simple or 3-foliolate or at least 3-parted, the segments or leaflets entire or toothed, decidu- 
ous. Flowers perfect or sometimes polygamous, in small cymes. Floral envelopes mostly 
in 4’s, Petals distinct, expanding during anthesis. Disk cup-like, 4-lobed. Stamens 
often 4, inserted on the margin of the disk. Ovary 2-celled, adnate to the base of the 
disk: style subulate. Ovules 2 in each cavity. Berries rather small, inedible, with scant 
pulps. Seeds more or less 3-angled. 
Leaf-blades simple. bisce sone 
Leaf-blades 3-foliolate or 3-divided. acida. 
Flowers in compound umbel-like cymes: berries thickest below the middle. 2. C. . 
Flowers in trichotomous cymes : berries thickest above the middle. 8. C. incisa. 
1. Cissus sicyoides L. A pubescent high-climbing vine, with striate branches. 
Leaves fleshy ; blades simple, ovate or oblong-ovate, 2-8 cm. long, acute or often acumi- 
nate, distantly serrate with bristle-tipped teeth, rounded, often glabrate above, truncate or 
cordate at the base : petioles 1-4 cm. long: flower-clusters umbel-like, aes pend : berries 
sePeloboee, about 1 cm. in diameter, black: seeds solitary, 4-5 mm. long, acute at the 
On banks : in the West Indies and southward in the 
American tro des Tho ade DE peces Mns vy de Ustilago Cissi, which transforms the 
flowers into c -shaped bodies. 
2. Cissus ácida L. A low-climbing glabrous vine, with forking somewhat succulent 
branches and stout elongated tendrils. Leaves rigid ; blades 3-foliolate, the leaflets fleshy, 
1-3 em. long, suborbicular varying to ovate or obovate, often flabellate, more or less cune- 
ately narrowed at the base, sharply toothed near the tip : flowers in more or less compound 
umbel-like or corymb-like clusters, the rays stout : berries globose-ovoid or ovoid, abruptly 
pointed, 5-7 mm. in diameter, dark-purple, on recurved pedicels : seeds solitary, or some- 
times 2, obovoid, 7 mm. long, apiculate at the base. 
In sandy soil, Key West and southern peninsular Florida. Also in tropical America. 
3. Cissus incisa Desmoul. A succulent vine, 1-10 m. long, with wart _bark and 
forking sometimes penetrating tendrils, the roots sometimes with tuberous thickenings. 
ves fleshy : blades 3-foliolate, the leaflets pale n, very fleshy, 3-10 cm. long, coarsely 
toothed and incised, the terminal one sometimes $-lobed,the lateral ones 2-lobed, all more 
or less cuneately narrowed at the base, on stout petiolules : flowers in trichotomous umbel- 
like cymes: berries obovoid or obovoid-globose, 10-12 mm. long, apiculate, blackish, on 
