42 
- (b. Margin of leaf is slightly thickened but not discoloured, 
and forms a narrow tube here and there towards base. Usually 
the galls are short, but sometimes a number are united so as to 
extend an inch or more along the margin. In the tubes live gall- 
mites, Eriophyes tetratrichus, Nal 
(c-). Upper surface of leaf bears reddish — galls like small 
nails in form fix "s o it by one end. The e hollow, and open 
by a small hole s se lower surface. s sd live gall-mites, 
Eriophyes Tiliae TPorenst, ). 
ith 
ii reddish prominent galls, each hollow, opening by a hole on 
the lower surface, among hairs. In each live sella e, Eriophyes 
macrorhynchus, Nal. 
Trifolium repens, L. Pinnz remain folded, but become thickened, 
inflated, and TE reddened. Caused by a gall-midge, Perrisia 
T'rifolii (E. L 
uliginosus, Schkuhr. Budgalls formed of an atrophied 
bud surrounded by stipules and stunted leaves, all somewhat 
thic keak caused by a midge (? Posin loticola, Rübs. 
Rubus. A Spats showed on leaves and shoots patches of a 
pale grey-green colour owing to the growth of hairs, caused by 
a gall-mite, Zr. aches gibbosus, Nal 
Rosa spp. 
(a.) On leaves smooth globular thin galls, up to 5 mm. in dia- 
meter, den red on one side, caused by a gallfly, Rhodites Eglan- 
teriae, 
Biases carition. each in a hard overing. n aa lives a larva o 
Rhodites Rosae (L.). This i is Ms * Bedeguar " gall. 
Malus, L. Leaves hypertrophied, and bulged upwards i 
places or mend rolled backwards, reddened, caused probably by 
Aphis Mali, Fabr. 
Crataegus Oxyacantha, 7 
(a.) Terminal buds abort, their leaves and stipules being 
wded in a rosette and covered with green or dull-red warts 
(i rus hairs, caused by a gall- midge; Perrisia Crataegi 
in 
= G). Leaves affected much on Pyrus Malus, cmd. by an 
pm 
O erri of lobe of leaf rolled bakki tu to a narrow tube 
rown hairs, among which live mites Brip gonio- 
thorax, Nal. 
