THE CIXERKA GRAPES 109 



cordate-ovate (generally longer than broad), the sinus mostly 

 wide and obtuse, the margin small -notched (teeth much 

 Bmaller than in V. Berlandieri) or sometimes almost entire, 

 mostly distinctly and divaricately 3 -angled or shortly 3-lobed 

 towards the apex, the triangular apex large and prominent, 

 the upper surface cobwebby when young but becoming dull 

 dark gre< flossy), the under surface remaing ash-gray 



or dun-gray webby-pubescent : stamens in sterile dowers 

 long, Blender and ascending, in the fertile ones short, and 

 laterally recurred: cluster mostly loose and often straggling, 

 containing many small black berries, these only slightly if 

 at all glaucous, ripening very late, and after Frost becoming 

 sweet and pleasant; seeds small to medium.— Along streams, 

 mostly in limy soils, central Illinois to Kansas and Texas 

 and Mexico, also X. Florida. Readily distinguished from 

 /'. cBStivalis by the triangular-topped sharply 3-lobed ash- 

 gray leaves and the gray tomentum of the young growth. No 

 varieties in cultivation, but it hybridizes with V. rupestris 

 and /'. Linsecomii. 



Far. Floridana, Munson. Growing tips rusty-tomentose, as 



are sometimes the veins on the under sides of the leave-: 



cluster longer- pednncled ami more compound. — Manatee 



county, Florida, and apparently also in Arkansas ; not un- 

 likely a compound with V. CBStivalis, but the leaves have the 



characteristic Bhape of r. oinerea. Not to lie confounded 

 with any form of r. Caribaa, because of the lobed tri- 

 angular-topped leaves ami much larger teeth. 

 Far. Bailey. A form with rounded or heart-like 



haves, the upper half of the leaf lacking the triangular and 



3-lobed Bhape of the type.— St. Louis, Missouri, and s. iiii- 

 nois, to Texas. 

 ■ '. I'l.int scarcely climbing, the tendrils perishing if failing 



to And support, 

 i i onica, Engelm. Canon Grape.) Plant weak, much 



branched, with short internodes ami thick diaphrt 

 branchlets angled: leaves mostly small, cordate-ovate and 



with a prominent triangular pointe. I ap.\. the sinu- broad 

 or the base of the blade even truncate, the teeth many and 



small ami pointed or mucronate, the margin either oontin- 



