i5o 
Fungi 
Hymen- 
optera 
Coleop- 
tera 
Lepidop- 
tera 
Diptera 
Hymen- 
optera 
BRITISH GALLS 
Circular or irregular large black patches, 4 to 5 mm. 
thick, on the upper surface of the leaves, white inside. 
Autumn and winter. 
Rhytisma salicinum Fries. 141a 
Syn. Xyloma salicinum Persoon. 
Massee, Brit. Fung. Flora, iv\, 71, 72. 
Salix aurita Linn. 106. Round-eared Sallow. 
Leaf stalk swollen. See No. 109. 
Cryptocampus venustus Zadd. 142 
Houard, No. 852. 
Pea-like excrescence on under surface of the leaf. See 
No. 125. 
PONTANIA PEDUNCULI Hartig 143 
Connold, Plant Galls, p. 238. Cameron, ii., p. 198. 
Houard, No. 863. 
Oval or elongated pustules on the upper surface of the 
leaf. See No. 105. 
Pontania femoralis Cameron 144 
Syn. Nemalus femoralis Cameron. 
Connold, Plant Galls, fig. 322. 
Bud greatly swollen, remaining closed, and ultimately 
shrivelling up. Contains a solitary larva. M. E. Imago II. 
Cryptocampus saliceti Fall. 145 
Connold, Plant Galls, p. 246. Houard, No. 836. 
Rounded or fusiform swelling on the stem. See No. 115. 
Saperda populnea Linn. 146 
Houard, No. 850. 
Fusiform swellings on the older branches. See No. 94. 
Grapholitha servilleana Dup. 147 
Houard, No. 845. 
Terminal leaves forming a rosette. See No. 101. 
Rhabdophaga rosaria H. Low 148 
Connold, Veg. Galls, pis. 85, 86 ; Plant Galls, fig. 321. 
Houard, No. 827. 
Fusiform swellings on one-year twigs. See No. 95. 
Rhabdophaga salicis Sch. 149 
MacDougall, Journ. Bd. Agric., Oct., 1905. Houard, 
No. 848. 
Salix cinerea Linn. 106. Grey Willow. 
Bean-like swelling on the leaf. See No. 90. 
Cameron observes that the galls on this species of 
Willow are “ oblong, dark green, like those on S', cafraea , 
but are smaller and more hairy.” 
Pontania proxima Lepel 150 
Syn. Nemaius gallicola Ste. 
Cameron, ii., p. 203. Houard, No. 903. 
