6. Vitis Palmàta Vahl. Missouri Grape

Fig. 2835

Vitis palmata Vahl, Symbol. Bot. 3: 42. 1794.

Vitis rubra Michx.; Planch. in DC. Mon. Phan. 5: 354. 1887.

High-climbing, glabrous or nearly so throughout, or with slight pubescence on the veins of the lower surfaces of the leaves; twigs bright red; bark separating in large flakes; pith interrupted, the diaphragms thick; tendrils intermittent, forked. Leaves dull, darker green than in V. vulpina, deeply 3-5-lobed, the sinuses rounded, the lobes long-acuminate; stipules 1 1/2"-2" long; inflorescence loose; berries black, 4"-5" in diameter, without bloom; seeds 1 or 2, about 3" long; raphe indistinct.

River-banks, Illinois, Missouri and Arkansas. Blooming later and ripening its berries after V. vulpina. June-July.

7. Vitis Cordifòlia Michx. Frost Grape. Chicken Grape

Fig. 2836

Vitis cordifolia Michx. Fl. Bor. Am. 2: 231. 1803. Vitis virginiana Munson, Gard. & For. 3: 474.

1890. Not Lam. 1808. Vitis Bailey ana Munson. Vit. Bail. 1893.

High-climbing, the twigs glabrous or slightly pubescent, terete or indistinctly angled; pith interrupted by thick diaphragms; internodes long; bark loose; tendrils intermittent; stem sometimes 1° in diameter or more. Leaves 3'-4' wide, glabrous, or sparingly pubescent on the veins beneath, thin, sharply and coarsely dentate with very acute teeth, sometimes slightly 3-lobed, mostly long-acuminate at the apex; tendrils forked, intermittent; stipules about 2" long; inflorescence loose or compact; berries black, shining, about 3" in diameter, ripening after frost; seeds 1 or 2, about 2" long; raphe narrow.

Moist thickets and along streams, southern New York and New Jersey to Illinois, Wisconsin, Nebraska, Florida and Texas. Possum-, fox- or winter grape. May-June. Fruit ripe Oct.-Nov.

8. Vitis Rupèstris Scheele. Sand, Sugar Or Mountain Grape

Fig. 2837

V. rupestris Scheele, Linnaea 21: 591. 1848.

Low, bushy or sometimes climbing to a height of several feet, glabrous or somewhat floccose-pubescent on the younger parts; pith interrupted; bark loose; tendrils forked, intermittent or often wanting. Leaves smaller than in any of the preceding species, pale green, shining, sharply dentate with coarse teeth, or sometimes incised, abruptly pointed, rarely slightly 3-lobed, the sides often folded together; stipules 2"-3" long; inflorescence compact; berries black, with a bloom, 3"-4" in diameter, sweet, 2-4-seeded; seeds about 2" long; raphe very slender.

In various situations, Pennsylvania to the District of Columbia, Missouri, Tennessee and Texas. April-June. Fruit ripe in August.