144 NEW YOKK STATE MLI.SEUM 



120 " Deformation of leaf on margins." 



Hag-en "85, no. 66 Mex. 



Compare our no. 113. 



121 An oval, somewhat woolly, g'all on the upper side of the leaf. 

 Not further described. 



ITag-en '85, no. 67 Col. 



Rhus radicans (toxicodendron) (poison ivy) 



122 An erineum on the leaves. 



Hagen '85, no. 68 Mass. 



*I23 Irregular rounded dimple-galls, convex on the upper (or 



under) side of the leaf, green to red or purple in color, usually 



confluent into granular heaps; inside clothed with white trichomes. 



Garman '83, p. 134 111. 



Cook '04, p.862 Ind. 



Jarvis '07, p.6o, seventh sp., pi. A, fig. 5 Ont. 



Observed at Leeds and Catskill N.Y. 



Salix alba (white willow) 



'''124 Small thickenings or inrollings of the leaf margin, green, 

 scattered or coalescent. Apparently the form figured by Connold 

 '01 [Brit. Veg. Galls, p. 148, pi. 58]as the work of Eriophycs 

 m a r g i n a t u s , on the same species of willow. 



Specimens from Albany (Mr Gillett) N.Y. 



Possibly this is the Brittle willow (Salix f r a g i 1 i s) or a 

 hybrid between S. alba and S. n i g"r a , as it dififers somewhat 

 from S . alba; 



125 Sec no. 127. 



Salix amygdaloides (peach-leaved willow) 

 *I26 Very small crimson red pocket-galls or semicapsules on the 

 leaves, much crowded. 



Specimens from Irving, Chautauqua co. • N. Y. 



Salix balsamifera (balsam willow) 

 127 Small irregular, serrate and roughened pocket-galls or semi- 

 capsules, green or red, usually on the upper side of the leaf; beneath 

 sometimes impressed, more often projecting. Occurs on Salix 

 alba, balsamifera, discolor and r o s t r a t a . 



Jarvis '07, p.6o, as "Eriophyes salicola Gar- 

 man " Ont. 



