44 



AMERICAN VINES. 



soil and atmosphere are necessary to its development; it is 

 only found in the rich sandy alluviums on the banks of 

 rivers, where it acquires a remarkable growth. 

 Trunks measuring from 3 to 4 1-2 feet in circum- 

 ference are not rare in its wild state 



V. Rotundifolia grows very badly in France, 

 except in the mellow, fresh, deep, and fertile 

 Fig. 2. Seed of soils of the south, and even in such soils its 

 v. Rotundifolia. development is relatively poor, and it bears 

 little fruit. In arid and in calcareous soils it dies very 

 quickly. However, the phylloxera has no action on 'it; 



Fig. 3. Leaf of V. Rotundifolia. 



