Selby Foray Report. E. M. Wakefield. 79 



Marasmius pruinatus, Entoloma amcidcs, Leptonia incana, 

 Coprinus picaccus, last found at Haslemerc in 1912, and 

 Boletus porpJiyrosporus were among the best of the higher 

 fungi. A charming group of the light ochraceoiis sporophores 

 of Cyphclla ccrnua, new to Yorkshire, grew on branches of 

 Sambucus nigra. On the branches of the same tree were 

 numerous groups of the perithecia of Gihherella pulicaris, 

 distinguished by the beautiful blue colour as seen in a thin 

 section. The minute yellow pycnidia of ZytJiia niercnrialis 

 Kickx, dotted the leaves of the Dog Mercury ; it is a new record 

 for Britain*. Other moulds, such as Botrytis cinerea, Clado- 

 sporium, Pcnicilliitm, etc., were abundant everywhere, and are 

 included in the Foray list. 



Some of the moulds were only noted after placing the vege- 

 table substratum in a moist chamber for a time. On some of 

 the debris from Parlington Park there appeared after a lapse of 

 some weeks a beautiful growth of one of the Myxobactcriaceae. 

 It agrees in colour and in cocci with Myxococcus pyriformis, 

 recorded in Trans, Brit. Myc. Soc. Til, 1909, p. 82. The form 

 is slightly different, as some of the bodies of bacteria rest on 

 a broader basis than those of previous gatherings. 



Staynor Wood, visited on the Friday, yielded little of interest. 

 Rnssula azurea, R. punctata and Collybia xanfhopus occurred, 

 the latter very close to C. dryophila and perhaps only a form 

 of that species, distinguished by its larger size and different 

 shape. Plnteus nanus var. lutcsccns, with its yellow stem, 

 and the large Galera ovalis were also noted. HypocJinus 

 isabellinus, new to Britain f, was collected and handed to Miss 

 A. Lorrain Smith as a mould. It is distinguished among the 

 species of Hypochnus by its isabelline colour, so that at first 

 sight it might suggest a Botrytis. Examination with the 

 microscope, however, at once reveals that it is a Basidiomycete. 

 Very few microfungi occurred on this day, and none of any 

 special interest. 



In the evenings, as usual, papers were read and exhibits 

 shown. Dr. Paul's Presidential Address, "On the Earlier 

 vStudy of Fungi in Britain," was listened to by a large and 

 appreciative audience. Dr. H. Wager gave two interesting 

 papers, on " Spore Coloration in the Fungi," and on " A Fluores- 

 cent Colouring-matter from Leptonia incana." As L. incana 

 was found during the Foray, Dr. Wager was able to demon- 

 strate from fresh specimens. Mr. H. J. Wheldon read "Obser- 

 vations on some Sand-dune Fungi," and exhibited a specimen 

 of Ustilago hypodytes on Elymus arenaria, sent by Mr. J. A. 



* For description see p. 155. 

 t For description see p. 133. 



