114 VITACE^, (vine family.) 



coarsely and sharply toothed; stipules small; inflorescence ample, loose; 

 berries small, black and shining, very acerb, ripening after frosts ; seeds I or 

 2, rather large, with a prominent rhaphe. — Thickets and stream-banks, New 

 Eng. to central 111., Mo., Neb., and southward. May, June. 



5. V. riparia, Michx. Differing from the last in the larger and more per- 

 sistent stipules (2 -3" long), more shining and more usually 3-lobed leaves with 

 a broad rounded or truncate sinus and large acute or acuminate teeth, smaller 

 compact inflorescence, and berries (4-5" broad) with a bloom, sweet and very 

 juicy, ripening from July to Sept. ; seeds very small ; rhaphe indistinct. (V. 

 cordifolia, var. riparia, Gray.) — Stream-banks or near water, W. New Eng. to 

 Penn., west to Minn, and Kan. Eastward the berries are sour and ripen late. 



6. V. palmata, Vahl. Branches bright red ; leaves dark green and dull, 

 3 - 5-lobed, with a broad sinus, the lobes usually long-acuminate ; inflorescence 

 large and loose ; berries black, without bloom, ripening late ; seeds very large 

 and rounded; otherwise like n. 5. (V. rubra, Michx.) — 111. and Mo. 



7. V. rupestris, Scheele. (Sand or Sugar Grape.) Usually low and 

 bushy, often without tendrils ; leaves rather small, shining, broadly cordate, 

 abruptly pointed, with broad coarse teeth, rarely slightly lobed ; berries rather 

 small, sweet, in very small close bunches, ripe in Aug. — Mo. to Tex. ; also 

 found in Tenn., and reported from banks of the Potomac, near Washington. 



§ 2. MUSCADIXIA. Bark close! y adherent on the branches ; pith continuous 

 throiujh the nodes ; tendrils simple, intermittent ; seeds with transverse writikles 

 on both sides. 



8. V. rotundifdlia, Michx. (MrscADixE, BuLLACE, or Southern 

 Fox-Grape.) Leaves shining both sides, small, rounded with a heart-shaped 

 base, very coarsely toothed with broad and bluntish teeth, seldom lobed ; 

 panicles small, densely flowered ; berries large (^-f in diameter), musky, 

 purplish without a bloom, with a thick and tough skin, ripe early in autumn. 

 (V. vulpina, Man., not L. ?) — River-banks, Md. to Ky., Mo., Kan., and 

 southward. Ma}' — Branchlets minutely warty. This is the original of the 

 Scuppernong Grape, etc. 



2. CISSUS, L. 



Flowers perfect or sometimes polygamous, 4-merous or (in ours) 5-merous. 

 Petals expanding. Disk cup-shaped, surrounding tlie base of the ovary. 

 Berry inedible, with scanty pulp. Seeds usually triangular-obovate. — Ten- 

 drils in our species few and mostly in the inflorescence. A vast genus, mainly 

 tropical. (Greek name of the Ivy.) 



1 C. Ampelopsis, Pers. Nearly glabrous; leaves heart-shaped or trun- 

 cate at the base, coarsely and sharply toothed, acuminate, not lobed ; panicle 

 small and loose ; style slender ; berries of the size of a pea, 1 - 3-seeded, bluish 

 ■ or greenish. ( Vitis indivisa, Willd.) — River-banks, Va. to 111., and southward. 

 June. 



2. C. Stans, Pers. Nearly glabrous, bushy and rather upright; leaves 

 twice pinnate or ternate, the leaflets cut-toothed; flowers cymose; calyx 5- 

 toothed; disk very thick, adherent to the ovary; berries black, obovate. 

 (Vitis bipinnata, Torr. Sf Gray.) — Rich soils, Va. to Mo., and southward. 



