VOL. II.] 



GRAPE FAMILY. 



409 



2. Vitis aestivalis Michx. Summer 

 Grape. Small Grape. (Fig. 2399.) 



Vitis aestivalis Michx. Fl. Bor. Am. 2: 230. 



1803. 



High climbing, branches terete, the 

 twigs and petioles glabrous or pubescent; 

 bark loose and shreddy; pith interrupted at 

 the nodes. Leaves as large as those of V. 

 Labrusca, dentate, or 3~5-lobed, floccose- 

 woolly with whitish or rusty pubescence, 

 especially when young, sometimes becom- 

 ing nearly glabrous when mature; tendrils 

 and flower-clusters intermittent (wanting 

 opposite each third leaf) ; inflorescence gen- 

 erally long and loose; berries numerous, 

 about 5" in diameter, black, with a bloom, 

 acid, but edible; seeds 2-3, about 3" long; 

 raphe narrow. 



In thickets, southern New England to Flor- 

 ida, west to southern Ontario, Wisconsin and 

 Louisiana. Ascends to 3500 ft. in North Caro- 

 lina. May-June. Fruit ripe Sept.-Oct. 



Vitis cinerea Engelm. Downy Grape. (Fig. 2400.) 



I 'itis aestivalis var. canescens Engelm. Am. 



Nat. 2: 321, name only. 1868. 

 Vitis aestivalis var. cinerea Engelm.; A. 



Gray, Man. Ed. 5, 679. 1867. 

 V. cinerea Engelm. Bushb.Cat.Ed. 3, 17. 1883. 



Climbing, branches angled, young 

 shoots and petioles mostly floccose-pubes- 

 cent; bark loose; pith interrupted; tendrils 

 intermittent. Leaves dentate, or some- 

 what 3-lobed, often longer than wide, 

 rather densely floccose-pubescent with 

 whitish, persistent hairs on the lower sur- 

 face, especially along the veins, sparingly 

 so on the upper; inflorescence loose; ber- 

 ries black, without bloom, 3 // -4 // in dia- 

 meter, pleasantly acid, 1-2- seeded; seeds 

 about 2" long, the raphe narrow. 



Illinois to Nebraska, Kansas and Texas, 

 east to Florida (according to T. V. Munson.) 



4. Vitis bicolor L,eConte. Blue or 

 Winter Grape. (Fig. 2401.) 



I'itis bicolor LeConte, Proc. Phil. Acad. 6: 272. 1852. 

 Vitis aestivalis var. bicolor LeConte; Wats. & Coult. 



in A. Gray, Man. Ed. 6, 113. 1890. 



High-climbing or long-trailing, the tendrils in- 

 termittent, the branches terete. Twigs and leaves 

 glabrous, or somewhat pubescent, bluish-glaucous, 

 especially the lower surfaces of the leaves, the 

 bloom sometimes disappearing by the time the 

 fruit ripens; interned es long, the pith interrupted 

 at the nodes; leaves usually 3-lobed, cordate at the 

 base, sometimes 12' long, the sinuses rounded, the 

 lobes acute or acuminate; inflorescence compact; 

 berries bluish-black with a bloom, sour, about 4" 

 in diameter; seeds about 2" long, raphe narrow. 



Northern New York to Michigan and North Carolina. 



