CATALOGUE OF BRITISH PLANT-GALLS 139 
Diptera Terminal bud hypertrophied ; leaves elongated, forming 
a cigar-shaped, hard gall. 
Lonchaea parvicornis Meigen 65 
Connold, Plant Galls, p. 98. Houard, No. 314. 
Nematoda Nodosities on the stem. 
Heterodera radicicola Greeff 66 
Connold, Plant Galls, p. 75, attributed to H. Schachtii, 
Kuhn. Houard, No. 315. 
CYPERACEAE 
Eleocharis palustris Roem. and Schult. 111. Creeping 
Spike Rush. 
Fungi Elongated rather flat swellings on the stalks Resting 
spores smooth, brown. August. 
Physoderma heleocharidis Schroet. 67 
Brit. Mycol. Soc. Trans., iii., p. 111. 
Scirpus nanus Spreng. (parvulus Roem. and Schult.). 
3. Small Club Rush. 
». Swellings on the roots containing the blackish-brown 
spore-masses. 
Ustilago MARINA Durieu 68 
Plowright, p. 275. 
Carex vulpina Linn. 86. Great Sedge. 
Diptera Utricle swollen and elongated, thinner above, 8 mm. 
long. Containing an orange larva. Cocoon white. M. G. 
Perrisia muricatae Meade 69 
Syn. Dasyneura muricatae Meade. 
Connold, Plant Galls, fig. 82 (without name). Houard, 
No. 361. 
Carex contigua Hoppe (muricata auct. angl.) 80. 
Great Prickly Sedge. 
.. Utricle swollen. See No. 69. 
Perrisia muricatae Meade 70 
Syn. Cecidomyia muricatae Meade. 
Connold, Plant Galls, p. 244. Houard, No. 362. 
Carex caespitosa Linn. 1. Tufted Sedge. 
.. Globular swelling on the stem near its base, about the 
size of a wheat grain, brown or reddish brown. Solitary 
or in groups of three to five. M. G. 
PSEUDOHORMOMYIA GRANIFEX Kieff. 7 I 
Connold, Plant Galls, fig. 83. 
Carex limosa Linn. 26. Mud Sedge. 
,, Elongated pluriiocular excrescences, 5 to 8 mm. long, 
