81 



ilar to that reported by Miss A. M. Taylor in 1914 (Journal of Agricul- 

 tural Science, Vol. 6), as characteristic of gooseberry — Ribes grossularia 

 — in England, infested with Eriophyes ribis (Nalepa). In the plants 

 which she studied she found that after the first effects of the attack by 



Fig. 3. Short branches of infested Norway n',aple, partially defoliated to 

 show the dwarfed condition of foliage and stems. 



Eriophyes were overcome the later growth of foliage and wood was ap- 

 parently normal, though many of the early leaves bore "blisters" that 

 ranged from single to more or less confluent masses. 



The maples, however, seemed not to recover until too late in the 

 season to make a marked growth. The foliage bore no malformations, 

 blisters, typical erineums, or galls that would indicate the cause of in- 



6—11994 



