RESISTANT VINES. 7 



cuttings and from grafted cuttings; they also take easily from field 

 grafts. This stock has often been over-boomed, and planted in many 

 localities where it could never grow; and from these failures some people 

 have jumped to the conclusion that the stock is of no value. But when 

 we consider that in France alone, seventy-two per cent of the vineyards 

 that have been replanted are on Riparia roots, we readily see that the 

 failures must be due to the ignorance of the conditions of adaptation. 

 Riparias do not grow well in dry locations; they must have a good 

 loamy soil, the best being clayey-siliceous alluvions; a deep, cool, fertile 



PLATE 1. VITIS RUPESTRIS ST. GEORGE. 



Showing on the right the natural fold of the leaves along the mid rib, and on the 

 left the bracket-shaped petiolar sinus. 



soil, not too wet. The two varieties mostly used are the Riparia Gloire 

 de Montpellier and the Riparia Grande Glabre. 



Vitis rupestris. This vine, shown in Plate 1 , is found in its wild state 

 in open places along hillsides and ravines in the arid eastern part of the 

 region, growing in gravels and in decomposed rocks. From this natural 



