142 THE GRAPE. 
tying a fine nct-work bag over the bunch, and, if there be 
a suitable place on the premises for its healthy action, the 
vine ought to be remuved away from any other plant or 
e same family which may be in bloom at the same time 
for the pollen is a very subtle substance, and a proximity 
to others might destroy all success. 
Independent of this cross-breeding with the exotics, which 
may, in the fruit, sooner bring about the desired result, we 
may arrive at the same point of excellence with our own 
natives by a little patience and perseverance, without any 
danger of injuring the constitutional habits of the progeny ; 
consequently this course is the best to pursue, and will ult 
mately give the most desired results, 
