220 
BRITISH GALLS 
Fungi 
Diptera 
Diptera 
Homop- 
tera 
Lepidop- 
tera 
? 
Lepidop- 
tera 
Stems and midribs swollen. See No. 633. 
Urocystis violae Sow. 638 
Connold, Veg. Galls, p. 100 ; Plant Galls, fig. 304. 
Viola arvensis Murr. 112. Wild Pansy. 
Ovary swollen, transformed into a gall. 
Lauxania aenea M eigen 639 
Houard, No. 4296. 
Tufts of leaves at the extremity of the stem, with 
abnormal pilosity. Larvae gregarious, pale orange-red. 
Perrisia violae F. Low 640 
Syn. Cecidomyia violae F. Low, Dasyneura violae 
Kieffer. 
Houard, No. 4293. 
ONAGRACEAE 
Epilobium angustifolium Linn. 96. Rose-bay Willow- 
herb. 
Buds swollen, ovoid not opening. Calyx slightly 
modified, the other floral organs shortened, the petals 
deformed, brown. Larvae gregarious, colour of chamois 
leather. M. E. 641 
Perrisia epilobii F. Low 642 
Houard, No. 4345. 
Margin of the leaf rolled upwards. 
Aphalara nebulosa Zett. 643 
Scott, 1881, p. 275 ; 1882^, p. 42, 43. Houard, No. 4349. 
Epilobium hirsutum Linn. 96. Great Hairy Willow- 
herb. 
Elongated swelling on the stem containing a white larva. 
M. G. The white cocoon is left sticking out of the gall 
after the moth has emerged. 
Mompha uecorella Stephenson 644 
Syn. Laverna decorella Ste. 
Protuberances of irregular form on the side of the seed 
capsule. Small, seldom more than three together. 
645 
Connold, Plant Galls, fig. 325. 
Epilobium parviflorum Schreb. 103. Small flowered 
Willow herb. 
Swelling on the stem. See No. 644 and Plate VII. 6. 
Mompha decorella Steph. 646 
Barrett, 1865, P* I 97 * Houard, No. 4334. 
