106 THE EVOLUTION OF OUR NATIVE FRUITS 



BB Cordifolia-like grapes, with thickish and dull-colored or 

 grayish green leaves often holding some close dull pubes- 

 cence below at maturity (and the shoots and leaves nearly 



Fig. 18. Barnes grape. Yitis Champini. (Adapted from Munson.) 



always more or less pubescent when young), the teeth mostly 

 short or at least not deep-cut, the point mostly triangular 

 and conspicuous. 



c. Plant strong and climbing, with stout persistent tendrils. 

 D. Young shoots terete, and glabrous or very soon becoming 



so. 

 Pitts cordifolia, Michx. (True Frost Grape, Chicken, Raccoon, 



