CATALOGUE OF BRITISH PLANT-GALLS 139 



Dii)tera 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, 

 Kiihn. Houard, No. 315. 



CYPERACBAE 



Eleocharis palustris Roem. and Schult, iii. 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. iii. 



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. i. 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. 71 



Connold, Plant Galls, fig. 83. 



Carex limosa Linn. 26. Mud Sedge. 

 ,, Elongated plurilocular excrescences, 5 to 8 mm. long. 



