396 VITACEAE 
t. VITIS,L- 
Characters as above. 
Leaves decidedly downy beneath. 
Generally 3-lobed with shallow sinuses . . . . . . . « JV. Jabrusca 
Generally 5-lobed with deep sinuses . . .. . . . . » V. aestivahs 
Leaves not downy. 
Not lobed or only slightly lobed. «\'.% : = « . =. = ©» Vi. conawene 
3-lobed, toward’ vapex §. 2.05 = sje ss sf Cs ol ere ree 
3; to 5-lobed, lobes extending back | .. . . = © «© Mempozcormn 
1. V. labrusca, L. (Fig. 2, pl..94.) Fox Grape. NortTHerRN PLUM 
GRAPE. Leaves broad, generally 3-lobed at the apex and rounded or heart- 
shaped at base. Decidedly downy beneath. Berries large, few, brownish- 
purple. In thickets. This is the original of several varieties of culti- 
vated grapes: Concord, Isabella, Catawba, etc. 
2. V. aestivalis, L. (Fig. 1, pl. 94.) Smartt Grape. SUMMER 
GRAPE. Leaves of about 5 lobes with deep sinuses; downy beneath. Ber- 
ries small, deep blue. Clusters wanting opposite each third leaf. Thickets 
and shady banks, 
3. V. bicolor, Le Conte. (Fig. 4, pl. 94.) Wunrer Grave. Similar 
to No. 2, but leaves not downy or with few hairs. Fruit dark blue, ripen- 
ing after the frosts. New Hampshire, and southward. 
4. V.vulpina, L. (Fig. 3, pl. 94.) Swret-sceNTED GRAPE. Leaves 
smaller than either of the preceding species, heart-shaped at base, slightly 
3-lobed at summit. Berries bluish-black, rather sweet. In situations 
similar to those of other species. 
5. V. cordifolia, Michx. (Fig. 5, pl. 94.) Frost Grape. Leaves 
cordate, not lobed or only slightly so. Smooth and shining on both sides. 
Berries black, ripening after frosts. In thickets and along streams. 
2. CISSUS, L: 
Climbing vines, the tendrils being, in our species, terminated by ex- 
panding tips which adhere to supporting surfaces. Flowers much like 
those of Vitis but in more expanding clusters. 
C. Ampelopsis, Pers. (Fig. 6, pl. 94.) Virarnta CREEPER. (Parthe- 
nocissus quinquefolia, Planch. Ampelopsis quinquefolia, Michx.). A 
slender woody vine climbing upon trees. Leaves of 5 diverging leaflets. 
Common in woods and thickets. 
Order X.—MALVALES. Order of the Mallows 
Leaves net veined, petals distinct, carpels united into a com- 
pound ovary. Ovaries free from the calyx and above it. Stamens 
numerous. Sepals, in bud, meeting at the edges, not overlapping. 
Ovule bearing surface forming a central column within the cap- 
sule. 
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