VITACEAE. 



VOL. II. 



6. Vitis palmata 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 through- 

 out, or with slight pubescence on the veins of 

 the lower surfaces of the leaves ; twigs bright 

 red ; bark separating in large flakes ; pith inter- 

 rupted, the diaphragms thick ; tendrils intermit- 

 tent, forked. Leaves dull, darker green than in 

 V . vulpina, deeply 3-5-lobed, the sinuses rounded, 

 the lobes long-acuminate; stipules ii"-2" long; 

 inflorescence loose ; berries black, 4"-5" in diam- 

 eter, without bloom; seeds i or 2, about 3" long; 

 raphe indistinct. 



River-banks, Illinois, Missouri and Arkansas. 

 Blooming later and ripening its berries after V, vul- 

 pina. June-July. 



7. Vitis cordifolia Michx. Frost Grape. 

 Chicken Grape. Fig. 2836. 



Vitis cordifolia Michx. Fl. Bor. Am. 2 : 231. 1803. 

 Vitis virginiana Munson, Card. & 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 i 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 I or 2, about 2" 

 long ; raphe narrow. 



Moist thickets and along streams, southern New 

 York and New Jersey to Illinois, Wisconsin, Ne- 

 braska, Florida and Texas. Possum-, fox- or 

 winter grape. May-June. Fruit ripe Oct.-Nov. 



8. Vitis rupestris 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 some- 

 what floccose-pubescent on the younger 

 parts; pith interrupted; bark loose; ten- 

 drils forked, intermittent or often wanting. 

 Leaves smaller than in any of the preced- 

 ing 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 diam- 

 eter, 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. 



