CATALOGUE OF BRITISH PLANT-GALLS 181 
Fungi 
Coleop- 
tera 
Homop- 
tera 
Coleop- 
tera 
Oxyria digyna Hill. 31. Mountain Sorrel. 
Inflorescence swollen, containing the very pale violet 
teleutospores. 
Ustilago vinosa Berkeley 328 
Syn. Ustilago vinosa Tulasne. 
Plowright, p. 278. 
Rumex conglomeratus Murr. 97. Sharp Dock. 
Fusiform swelling in the midrib of the leaf, contain¬ 
ing a bright orange larva. 
Apion miniatum Germar 329 
Houard, No. 2118. 
Rumex pulcher Linn. 43. Fiddle Dock. 
Fusiform swellings in the stem and lateral branches. 
Apion violaceum Kirby 330 
Houard, No. 2125. 
Rumex crispus Linn. 112. Curled Dock. 
Margins of the leaf curled inwards and slightly 
swollen. Aphis wholly black. Larvae at first slate-grey, 
then blackish. 
Aphis rumicis Linn. 331 
Buckton, ii., 83. 
Rumex Acetosa Linn. 112. Sorrel Dock. 
Somewhat rounded or subconical; hard, unilateral 
swelling on the floral stem, 1*5 to 2 by 2 to 4 mm., uni¬ 
locular. Situated at a node or just above it, the internode 
always shortened. 
Apion affine Kirby 332 
Houard, No. 2137. 
Fusiform swellings on the stem and lateral branches. 
Apion violaceum Kirby 333 
Houard, No. 2138. 
On the midrib of the leaf or on the petiole. A fusiform 
swelling, yellow or red, surrounded by a zone of darker 
colour, 10 mm. long, 5 mm. in diameter, containing an 
orange larva. 
Apion frumentarium Linn. 334 
Houard, No. 2132. 
On the midrib or the petiole. Gall similar to that 
caused by the larva of A. frumentarium. See No. 334. 
Apion humile Germar 335 
Houard, No. 2133. 
