Explanation of Plate III. 



Mature One Year Wood. 



1. V. labrusca. 



a. V. vinifera. 



bl. V. Bourquiniana. (Herbemont.) 



b2. V. Bourquiniana. (Devereux.) 



6a. V. Lincecumii. (Typical.) 



6b. V. Lincecumii, var. glauca. 



7. V. bicolor. 



8. V. cestivalis. 



9. V. Simf)soni. 



18 



