MYCETOZOA OF NORTH DEVON 201 



■'D. cluhiuvi Rest. On dead holly leaves in Lee Woods. A 

 rare species, hitherto recorded only from Lyme Regis, Scotland, 

 and Bohemia. 



D. clavus Rost. Wringcliff, Ladywell and Lee Woods. 



D. nigrijjes Fries. Extremely abundant on dead leaves in every 

 wood and hedgerow in the district. — Var. xantiiopus Lister. An 

 aberrant gathering of this variety at Lynbridge closely resembles 

 Physariun comyressum. 



D. squamulosum Fries. Plentiful everywhere on wood and leaves. 



"^D. melanosioemium Macbr. East Lyn valley and Lee Woods. 



■'D. crustaceum Fries. Large developments on dead leaves and 

 herbage beneath a big lime tree in Lee Woods. It is only recorded 

 from Devon, Dorset, Hants, N. Wales and Poland. 



Mucilago sjMngiosa Morgan. On grass by roadside near 

 Woody Bay. 



^' Colloder7na oculatum G. Lister. Among liverworts on a log, 

 Ladywell. This is an extremely interesting species, new to Devon 

 but recently found in Essex, Beds., Worcs., and Herefordshire, as 

 well as in Scotland, Austria, U.S.A., and Japan. The outer layer 

 of the sporangium wall is gelatinous and swells when moist. It 

 is a minute species and not easy to detect when mature. 



Stemonitis fusca Roth. Plentiful on rotten wood. 



''SS. splendens Rost. var. flacctda Lister. Lee Woods. This 

 gathering matured indoors from greenish-yellow plasmodium. 



■''S. herbatica Peck. Woody Bay Woods. Scarce. 



■■'-S. ferruginea Ehrenb. Lee Woods. New to Devonshire. 



S. flavogeyiita Jahn. Lee Woods and Woody Bay. 



^ComatricJia nigra Schr. Plentiful on dead wood everywhere. 



''■'■G. elega7is Lister. A very large development on an old log in 

 Lee Woods. Miss Lister writes, " This is the largest British 

 gathering I have seen." It is a scarce species. 



■'''C. laxa Rost. Large gatherings from Lee Woods, Ladywell, 

 and valleys of East and West Lyn. Not usually considered a 

 common species ; I have only once found it previously. 



'•C. typhoides Rost. Wringcliff Wood, once only. In the 

 Midlands this is one of the most abundant species in summer. 



*C imlchella Rost. On dead leaves, Lynbridge and Lee Woods. 



■''Enerthenema papillaUmi Rost. On dead wood in Lee Woods. 



■''Lamproderma arcyrio7iema Rost. Lee Woods. An exquisite 

 little species, the tiny sporangia are iridescent bronze or steel- 

 grey. It is a somewhat rare British species, abundant in America. 



L. scintillans Morgan. Plentiful on straw. Wringcliff Wood. 



Cribraria argillacea Pers. Wringcliff, Ladywell, Lynbridge 

 and Lee Woods. The plasmodium is steel-grey. 



"C. mirantiaca SohTSid. Abundant on dead wood, especially of 

 conifers. The sporangia vary greatly in size and in the length of 

 the stalk. The plasmodium is green. 



"^Dictydium cancellatum Macbr. Abundant in WringcHff 

 Wood. — Var. fuscum Lister. On beech stump, Lee Woods. 



''^Tubifera ferruginosa Gmelin. Plentiful on a mossy log, 

 Wringcliff. 



Journal of Botany. — Vol. 54. [July, 1916.] Q 



