THE DICOTYLEDOXES 



1817 



Fig. 1716. — Vitis vinifera. Longfield Vinen.-, Guernsey, containing 25,000 bunches of 

 grapes. Photograph supplied by courtesy of Mr. de Garis. 



have been sent to Europe to serve 

 as stocks for grafting the European 

 varieties, because they withstand the 

 attacks of Phylloxera better than the 

 European ones. It was in a vine- 

 yard of Bordeaux that the mixture of 

 copper sulphate and hme was first 

 used as a deterrent to prevent the 

 populace from picking the grapes 

 and was afterwards discovered to 

 ward oflF mildew attack. This fungi- 

 cide later became known as the 

 famous Bordeaux Mixture. Parthe- 

 uocissiis quinquefolia is the Virginia 

 Creeper, well known because of its 

 brilliant red autumn foliage, while 



Fig. ij 17 .—Ampelopsis reitchii (Parthenocissus 

 or Vitis inconstom). Young shoots with 

 branched, axial tendrils which end in 

 adhesive discs. 



