REPORT OF THE STATE ENTOMOLOGIST I907 1 237/ 
Specimens from West Athens referred to this, appear as button- 
like knobs slightly constricted at base and widely open below. 
Trichomes coarsely granular and distorted. The whole green when 
fresh, turning brown. Also from North mountain, near the Catskill 
Mountain House. INES 
Populus heterophylla (downy poplar) 
85 (?) A rib-gall on the main vein, believed to be Phytoptid. 
Specimen from Newfoundland village (L. H. Joutel). INo Je 
Populus nigra, var. italica (Lombardy poplar) 
86 A large deep, sharply defined dimple, green, orange-yellow 
within, 4 to 12 mm in diameter, 2 to 5 mm deep, convex toward 
the upper surface of the leaf. 
Jarvis 08, p.93, third sp., pl. D; fig. 3 Ont. 
Populus tremuloides (American aspen) 
*87 An olive-buff to olive-brown erineum or dimple, slightly 
indented on the under side of the leaf, up to 6.5 mm in diameter, 
one to eight of these on a leaf. ‘Trichomes coarsely capitate or 
calyculate. 
Specimens from Albany, and in the State Herbarium from 
Shandaken (Professor Peck) labeled Erineum aureum, and 
“neither aureum nor populinum according to Greville,” 
and from Center, now Karner, Albany county (Peck) labeled 
DPeaniement il dNGeenOtmliixera tit elim as noujed im Grevalles 
: INBYE 
BrIMehM AMLeUiN IPersOON 22 TO, Be, IS Geserlle xc seoyel 
OM UMrcSmiboMaaanduleatiass fipontata aud placed in the sec= 
tion Taphria (TVaphrina) having the trichomes fused into a crust: 
it is evidently different from this. 
rinewlin POPUliawiin IrermoOn B22, imO, Ao, jolexestal whale 
Grumaria with trichomes capitate, is described from P. tremula 
as “cespitulis orbicularibus immersis grumosis opacis spadiceis,” 
which agrees passably with the present form. 
88 Dimples “on the leaves on the upper side lined with spherical 
granules, reddish or greenish in color.” ‘The galls are green, three 
to four to a leaf, 2 to 3 mm in diameter. 
Jarvis ’07, p.60, sixth sp. Ont. 
May be the same as the preceding, but the description is am- 
biguous and gives the impression that this gall is the reverse of that. 
