6 
FUNGUS FORAY ON 17TH OCTOBER IQI4. 
and are marked on one side by a paler area where dehiscence will take 
place ; the lime granules throughout are pure white. 
Craterium minutum (Leers) Fries. A few old sporangia were obtained ; 
also a cake of the orange-red sclerotium, on dead leaves whose surface 
was marked with a dark network of tracks left by the creeping plasmodium. 
Didymium squamiilosum (Alb. and Schw.) Fries. Freshly formed spor¬ 
angia were found on stalks protected by a thick growth of rushes. 
Comatricha nigra (Pers.) Schroeter. Tufts of old weathered sporangia 
on a stick lying among grass. 
C. typhoides (Bull.) Rost. A large growth in good condition on a 
decaying beech log. 
Lycogala epidendrum (L.) Fries. A few weathered bases of aethalia 
only were seen. 
Trichia varia Pers. Fine developments of both young and mature 
sporangia were found on a prostrate beech trunk. 
T. persimilis Karsten. Weathered and freshly formed sporangia were 
obtained on dead leaves and wood. 
T. boirytis Pers. A large growth, a foot or more in length, was found 
on the lower side of a log ; the sporangia were all old and weathered. 
Arcyria denudata (L.) Sheldon. Sporangia in perfect condition occurred 
on a decaying birch log associated with Trichia va/ia and Comatricha 
typhoides. 
A. incarnata Pers. Weathered bases of sporangia only were seen on 
dead wood. 
A. cinerea (Bull.) Pers. Two white immature sporangia found on 
fallen beech wood among grass were brought home and matured in the 
course of twenty-four hours. The capillitium is irregularly formed and 
consists largely of short free threads. 
A. nutans (Bull.) Grev. Several gatherings were made of more or less 
weathered sporangia. 
A. pomiformis (Leers) Rost. A number of the scattered buff sporangia 
were found on a fragment of fallen beech wood lying among deep grass. 
Mr. J. Ross tells me that he has obtained this species on such protected 
pieces of beech wood all through the late dry summer, together with 
Stemonitis fusca , Comatricha nigra, C. typhoides, Trichia decipiens, Arcyria 
incarnata, A. nutans and A. cinerea 
Mr. Ross conducted some of our party to the trees, about six in number, 
near Chingford, on which he had succeeded in finding Colloderma oculatum 
(Lippert) G. Lister all through last winter from October to February and 
on into April. It occurred on oak and hornbeam, either associated with 
lichens and liverworts, or on bark green with algal growth, and usually 
where the trickle of water from the crown of an old pollard had kept the 
bark moist for months together. No trace of this species was seen on our 
present foray. 
Since the Cryptogamic Foray of last year Coiloderma has been found in 
other parts of the Forest, viz. in Hainault district by Mr. Ross, in Lords 
Bushes by Mr. Wm. Howard in November 1913, and in Gilbert Slade by 
Mr. W. VI. Ryde in December 1913. 
