BTTLLETIN 197. 



GRAPE CULTURE IN CALIFORNIA. 



143 



Riparia X Berlandieri 157 11 (Fig. 9). This variety was obtained 

 by crossing a Berlandieri with pollen from Riparia Gloire de'Mont- 

 pellier. It has the habit and leaves of a Berlandieri, and a root system 

 intermediate between those of its parents. It is thoroughly resistant 

 to Phylloxera, and its grafts are vigorous, fruitful, ripen well, and are 

 not subject to coulure. The cuttings root fairly well, and field grafts 

 succeed very well. It produces an abundance of strong canes, but 



FIG. 7. Riparia x Rupestris 101 14 . One half natural size. 



these do not ripen well in the cooler localities. It produces medium- 

 sized bunches of round, black, pulpy grapes. 



Riparia X Berlandieri 420 A (Fig. 10). This variety is perhaps 

 superior to 157 11 . The cuttings root more easily, graft as well, and 

 mature more regularly. It is more suited to bench grafting than the 

 former, and makes vigorous and fruitful grafted vines. Male vine. 



The Solonis is a hybrid of unknown parentage which resembles in 



