Leaf Curl and Plum Pockets. 355 



hortulana var. niineri., from Iowa. Fig. 68, highly developed 

 specimens on bud of P. hortulana, Iowa. Fig. 69 from bud of 

 Prunus domestica, N. J. 



Fig- 73) Exoascus cecidomophilus Atkinson, on fruits of 

 Prunus virginiana L. deformed by cecidomid larvae. From 

 Aetna, and other places in the vicinity of Ithaca, N. Y. 



Plate XIX. Figs. 74-77, Exoascus decipiens Atkinson, on 

 leaves of Prunus americana Marshall, from Danby, N. Y. 



Figs. 78 and 79 Exoascus cecidomophilus Atkinson from fruits 

 of Prunus virginiana L. deformed by cecidomid larvae. In the 

 vicinity of Ithaca, N. Y. 



Plate XX. 81, 82 and 83 Exoascus mirabilis Atkinson from 

 Prunus angustifolia Marshall, Auburn, Ala. 81 young hymen- 

 ium and intercellular mycelium, 82 mature asci showing the con- 

 nection of a portion of the hymenium with the mycelium, 83 

 superficial view of a portion of the hymenium. These figures are 

 drawn to a different scale from 84 and 80 and this entire Plate is 

 reduced more than Plates X-XIX. 



Fig. 80 is from a petiole of a deformed bud and 84 from a de- 

 formed shoot of Prunus virginiana L,. on which the fungus was 

 not mature. In 80 is shown the intercellular mycelium and the 

 very beginning of the hymenium underneath the cuticle. In 84 

 is shown a portion of the intercellular mycelium, after treatment 

 with chloral hj^drate. 



