1Q2 
Myce- 
tozoa 
Coleop- 
tera 
Diptera 
Myce- 
tozoa 
Coleop- 
tera 
Diptera 
Homop- 
tera 
Nematoda 
Coleop- 
tera 
BRITISH GALLS 
Root swollen. See No. 381. 
Plasmodiophora brassicae Wor. 417 
Connold, Plant Galls, fig. 300. 
Brassica Rutabaga D. C. Swedish Turnip or Swede. 
Root swollen. See No. 402. 
Ceuthorrhynchus pleurostigma Marsh 418 
Connold, Veg. Galls, pis. 9, 10 ; Plant Galls, fig. 298. 
Root swollen. See No. 409. 
Phorbia brassicae Bouche 419 
Seed-pods swollen. See No. 415. 
Dasyneura brassicae Winn. 420 
Roots swollen. See No. 381. 
Plasmodiophora brassicae Wor. 421 
Massee, Textbook of Plant Diseases, p. 334. 
Brassica rapa Linn. Common Turnip. 
Hemispherical galls near the top of the root. See 
No. 402. 
Ceuthorrhynchus pleurostigma Marsh 422 
Houard, No. 2586. 
Root swollen. See No. 409. 
Phorbia brassicae Bouche 423 
Ormerod, p. 25. 
Leaf puckered and swollen. See No. 410. 
Aphis brassicae Linn. 424 
Houard, No. 2589. 
Roots swollen. See No. 411. 
Heterodera schachtii Schmidt 425 
Houard, No. 2587. 
Brassica arvensis O. Kuntze (sinapistrum Boiss). 
Charlock. 
Solitary, gregarious or coalescent swellings, each about 
the size of a pea near the top of the root, just below the 
ground, with a single larva in each. M. E. 
Ceuthorrhynchus assimilis Payk 426 
Connold, Veg. Galls, pi. 11 ; Plant Galls, fig. 87. 
Houard, No. 2605. 
Galls resembling those of the preceding. 
Ceuthorrhynchus pleurostigma Marsh 427 
Houard, No. 2606. 
