Enteridium. 4 5 



Rost., Mon., p. 227, fig. 5 ; Cooke, Myx. Brit., p. oG, fig. 5 ; 

 Schroeter, p. 103; Sacc, Syll., n. 1399. 



Eetimlaria ai^iAancda, B. and Br., Ann. Nat. Hist. (188G), 

 t. ii., f. 8. 



(Specimen in Herb. Berk., named by Rostafinski.) 



On wood. Britain (Kew, Scarborough, Appin, N. B.) ; 

 Germany ; Denmark ; France ; United States ; W. Australia. 



Irregularly effused for 1—2 inches, or sometimes in the 

 cracks of wood and then elongated ; colour dark greenish olive, 

 the minute sporangia showing through the thin general cortex, 

 and giving the surface a slightly papillose appearance. The 

 side walls of the sporangia are more or less regularly perforated, 

 the angles where adjacent sporangia meet being permanent 

 and winged with the side portions of the walls that are not 

 absorbed. 



(Rostafinski's Synonyms.) 

 LycoiKvdon undulimLm, Schum. Saell., 1404 (1803). 

 Enteridium olivaceum, Ehr., f. 1, 5 A.E. (1818). 

 Reticnlaria versicolor, Fr., Obs., ii., 147 (1818). 

 Licogala olivacea, Link, Hb. 



Betioularia olivacea, Fr., Syst. Myc, iii., 89 (1829). 

 Rcticularia unyidina, Fr., in Fl. Dan., t. 1977, f 2 (1823). 

 Enteridium airum, Preuss., Linnaea, 142 (1851). 

 Beticidaria ajyjylanata, B. and Br., Ann. Nat. Hist. (1866), 



t. ii., f 3 ; Cke. Hdbk., No. 1098. 

 Zicea olivacea, Fckl. Symb., 338 (1869). 

 Zicca glomulifera, De Bary and Rost, in Alex. (1872). 

 Licaethalium olivaceum, Rost. Vers., p. 4 (1873). 

 LindUadia versicolor, Rost., in Fckl, 68 (1873). 



Enteridium Rostrupii, Raunk. 



Aethaha irregular, lengthened, the greatest length is 4 cm., 

 consisting but of one stratum of sporangia, which is 1 mm. 

 thick. Wall of sporangium olive; the lateral wall towards 

 ripening of the spores perforated by large, oval openings. Mass 

 of spores olive; the single spore ratlier colourless. Spores in 



