IvEAF CURIv AND PlUM PoCKETS. 35 1 



Exoasciis confiisus Atkinson, deforming the fruit and floral en- 

 velopes of Priuiics virginia7ia L,. 



Exoascus farloivii Sadebeck, deforming the fruit and floral en- 

 velopes of Prunus serotina L,. 



Exoasacs commicnis Sadebeck, deforming the fruits of Pru7ius 

 maritima Wang., P. puinila'L,., P. america7ia Marshall, P. nigra 

 Alton. 



Exoascus longipes Atkinson, deforming the fruit of Primus 

 america7ia Marshall. 



Exoascus 77iirabilis Atkinson, deforming the leaf buds and 

 twigs, forming "pockets," oi Pru7ius angustifolia Marshall,/*. 

 hortula7ia L. H. Bailey, P. uTTiericana Marshall. 



Exoasacs mirabilis Atkinson var. tor tills Atkinson, distorting 

 the fruit of Prmius a^igustlfolia Marshall. 



Exoascus rhizipes Atkinson, deforming the fruit and leaf buds 

 of PruTius triflora Roxburgh. 



Exoascus decipieus Atkinson, deforming the leaves and shoots 

 of Primus aine7'ica7ia Marshall. 



Exoascus decipleTis Atkinson var. superficlalis Atkinson deform- 

 ing the surface of the fruit of Prunus aj7ierica7ia Marshall. 



Exoascus variu,s deforming the leaves and shoots of Pru7ius 

 serotma L,. and ? P, demlssa Wang. 



Exoascus cecidomophihcs Atkinson, affecting cecidomid galls on 

 the fruit of Pru7ius virgi7iia7ia L- 



GEO. F. ATKINSON. 



Note. I wish to acknowledge my great indebtedness to the following 

 persons who have aided me chiefly by the communication of material : Prof. 

 L. H. Panimel, Prof. A. B. Seymour, Prof. T. Meehan, Prof. B. D. Halslead, 

 Mr. J. B. Ellis and Mrs. Flora W. Patterson. 



