260 VEGETABLE SUBSTANCES. 



average, a pound ; so that the whole crop weighed a 

 ton, and, merely as an article of commerce, was 

 worth upwards of 400. The Valentines vine ex- 

 tends over a greater surface, and has a larger trunk, 

 than that at Hampton Court; but it is not, on the 

 average of seasons so productive. It has, however, 

 been known to produce two thousand bunches of a 

 pound each. 



