12 



Transactions British Mycological Society. 



Cladonia pyxidata Hoflfm. 



C. fimbriata Fr. 



C. cervicornis Schaer. 



C. gracilis Willd. 



C. furcata Schrad. 



C. squamosa Hoffm. 



C. subsquamosa Nyl. 



C. caespiticia Floerke. 



C. digitata Hoffm. 



C. deformis Hoffm. 



C. coccifera Willd. 



C. flabelliformis Wain. 



C. Floerkeana Fr. 



var. carcata Wain. 

 Coenogonium ebeneum A. L. Sm. 

 Lecidea ostreata Schaer. 

 L. confertula Stirt. 

 L. lucida Ach. 

 L. coarctata Nyl. 

 L. granulosa Schaer. 

 L. flexuosa Nyl. 

 L. demissa Th. Fr, 

 L. uliginosa Ach. 

 L. parasema Ach. 

 L. sublatypea Leight. 

 L. paneola Ach. 

 L. contigua Fr. 



f. calcarea Leight. 

 L. sorediza Nyl. 

 L. albocoerulescens Ach. 

 L. crustulata Koerb. 



var. meiospora Oliv. 

 L. confluens Ach. 



f. oxydata Leight. 

 L. plana Nyl. 

 L. lactea Floerke. 



Lecidea fuscoatra Ach. 

 L. Kochiana Hepp. 



var. lygaea Leight. 

 L. griseoatra Schaer. 

 L. asperella Stirt. 

 L. sanguinaria Ach. 

 Biatorina lenticularis Koerb. 

 Bilimbia cuprea Massal. 

 B. sabuletorum Br. and Rostr. 



var. simplicior A. L. Sm. 

 B. lignaria Massal. 

 Bacidia umbrina Br. and Rostr. 

 Buellia myriocarpa Mudd. 

 B. impressula A. L. Sm. 

 B. disciformis Mudd. 

 B. colludens Tuckerm. 

 Rhizocarpum Oederi Koerb. 

 R. geographicum DC. 

 R. viridiatrum Koerb. 

 R. confervoides DC. 

 R. obscuratum Massal. 

 Arthonia radiata Ach. 



var. Swartziana Sydow. 

 Lithographa tesserata Nyl. 

 Opegrapha atra Pers. 

 Graphis elegans Ach. 

 Verrucaria aethiobola Wahlenb. 

 V. submersa Schaer. 

 V. maculiformis Krempelh. 

 Staurothele rupifraga Arn., Shap. 

 Arthopyrenia fallax Arn. 

 A. spilobola A. L. Sm. 

 A. submicans A. L. Sm. 

 Pyrenula nitida Ach. 

 Melanotheca gelatinosa Nyl. 



REPORT ON THE MYCETOZOA FOUND 

 DURING THE FORAY AT KESWICK. 



September i^th to 21st, 1922. 



By W. N. Cheesman, F.L.S. and W. T. Elliott, F.L.S., F.Z.S. 



Rain is proverbial in the Lake District, and on our visit there 

 was no exception to this for on most days it came down heavily 

 and rendered the prospects unfavourable for obtaining Myce- 

 tozoa. 



Most of the country visited consisted geologically of the 

 Skiddaw slates and was clothed with a thriving vegetation, in 

 contrast with that in which the volcanic Borrowdale series 

 was dominant, where aridity, ruggedness, and destitution of 

 growth were clearly apparent. The alluvial deposits in the fertile 



