RECORDS OF SOME NEW BRITISH PLANT-GALLS. 13 



[Chortotnyia hellwigi, Riibs.] 



On Brachypodium silvaticum. This is the Cecidomyid sp., no. 62, of 

 Swanton, and Houard, no. 297. 



Durham, Penshaw ; locally common, R.S.B. 

 Lancashire, Grange-over- Sands, R.S.B. 



Macrolahis liieracii, Kieffer. 



Lancashire, Birkdale, on Hieracium sp., R.S.B. 

 (Connold records M. corrugans from Hieracium boreale, but it is 

 almost certainly to be referable to this species). 



Macrolahis hippocrefidis, Kieffer. 



On Hippocrefis comosa. 



Westmorland, Meathop Fell, near Grange-over-Sands, in Octo- 

 ber ; gall only, R.S.B. 



Perrisia axillaris, Kieffer. 



On Trifolium sp. 



Lancashire and Westmorland, once near Grange- over- Sands. 



Perrisia heckiana, Mik. 



On Inula squarrosa ( = 1. conyza), Houard, 5,623. 

 Lancashire, Grange-over-Sands ; apparently plentiful, R.S.B. 

 J.W.H.H. has observed similar galls on Pulicaria dysenterica. 



Perrisia brunellae, Kieffer. 



On Prunella vulgaris. 

 Yorkshire, Stainton, J.W.H.H. 

 Northumberland, Ovington, R.S.B. 



Perrisia [Dasyneura) corylina, Kieffer [coryli, Riibs.). 



Lancashire, Grange-over-Sands, R.S.B. 

 Yorkshire, Guisborough, J.W.H.H. 



Perrisia daphnes, Kieffer. 



On Daphne laureola. 

 Yorkshire, Gunnergate, R.S.B. 



Perrisia [Dasyneura) kiefferi, Marchal. 



In flowers of ivy. 



Lancashire and Westmorland, Grange-over-Sands ; common, 

 R.S.B. 



Durham, Gibside, R.S.B. 



Yorkshire, Middlesbrough and Gunnersgate, J.W.H.H. 



Perrisia libera, Kieffer. 



On Oak, somewhat analogous to Oligotrophus coryli on Hazel. 

 Durham, Fatfield, R.S.B. 



Perrisia inalpighii, Kieffer. 



On Oak; parenchymous. 

 Durham, Gibside, R.S.B. 

 Lancashire, Grange-over-Sands, R.S.B. 



