24 THE JOURNAL OF BOTANY 



Hyimum is a form of H. riparium, and agrees quite sufficiently 

 closely with var. subsecimdnm B. & S. Apart from the falcate 

 leaves, it is peculiar in the erect and almost symmetrical capsule ; 

 the figure in the Bry. Eur. shows a capsule very slightly curved, 

 but more so than in yours ; so that it would seem that the con- 

 ditions (? of illumination) that produced the unusual leaf direction 

 also affected the form of the capsule." 



H. stellatum Schreb. 8". Wet place near Folly Farm, Great 

 Bedwyn. 



H. stellatum var. protensum Eohl. 8. Wet place near Folly 

 Farm, Great Bedwyn, c.fr., growing plentifully. 



H. aduncum Hedw. non L. 7"^. Meadow on the north side of 

 the Kennet and Avon Canal, Great Bedwyn. 



H. adujicum var. attenuatum Boul. 8"''. Wet place near 

 Shalbourne [teste Dixon). 



H. palustre Huds. 7", 8. North and south sides of the Kennet 

 and Avon Canal. 



H. cordifolium Hedw. 8". Among rushes in Bedwyn Brailes 

 Wood, Great Bedwyn. 



H. cuspidatiim L. 7, 8. In various localities near Great 

 Bedwyn ; c.fr. 



H. Schreberi Willd. 7, 8. By a gravel path in the north- 

 eastern part of Savernake Forest, c.fr. ; growing on thatch with 

 Brachythecium albicans B. & S. in Great Bedwyn village. 



Hylocomium splendens B. & S. 7, 8. In two places by a gravel 

 walk in the north-eastern part of Savernake Forest, c.fr. 



H. loreum B. & S. 7, 8. Savernake Forest, in several places ; 

 in a wood south-east of Little Bedwyn ; wood near Froxfield. 



H. squarrosum B. & S. 7, 8. In two localities in Savernake 

 Forest, c.fr. ; in one of these localities it fruits freely for some 

 distance ; a prostrate form grows on London Clay near water at 

 Dod's Down Brickworks, Great Bedwyn. 



NEW BRITISH PLANT GALLS. 

 By E. W. Swanton. 



Through the kindness of many cecidologists — Mr. Eichard 

 Bagnall in particular — who have supplied material, I am able to 

 make some interesting additions to the classified catalogue of 

 British Plant Galls (Methuen & Co.) published in 1912. They 

 may be conveniently grouped under three headings. The numbers 

 quoted refer to those in the catalogue. 



I. — Galls neio to Britain. Causers knoiun. 



On Salix repens. Twig slightly swollen, containing elon- 

 gated larval cavities that are parallel to the axis of the branch. 

 Caused by Rhabdophaga Pierrei. From Birtley, Durham, Mr. 

 E. Bagnall, 1915. (To follow No. 158.) 



