Chondriodcrmd. 215 



ioTefj/nlarli/ and foi-ming a flaccid net; spores globose, dingy 

 violet, minuteljj verruculose, 12 — 13 [j. diameter. 



Chondriodernia 2^hysarioidcs, Rost, Mod., p. 170; Cooke Myx 

 Brit., p. 37. 



Cho')id,Tiodemia dtylanatum, Rost., Mon. Append p 17 • Sacc 

 Syll.. 1264. ' ' ' 



On rotten wood, leaves, &c. Britain (King's Cliffe, Black- 

 heath, Carlisle) ; France ; Switzerland. 



Sporangia 1 — 3 mm. when circular, from 8—5 mm. when 

 elongated ; in the elongated form the sporangium is frequently 

 folded on itself, and sometimes it takes two or three spiral 

 turns, leaving a minute cavity in the centre. Distinguished 

 from Chondriodcrma difforme by the warted spores and large 

 size of the sporangia, and from 0. nivetim by the absence of 

 tlie columella. Sometimes the whole of the outer calcareous 

 coat breaks away in a circumscissile manner close to the adnate 



Chondriodcrma crustaceum, Berl. 



Effused or circumambient, crowded, sessile, subglobose, smooth, 

 white, outer peridium crustaceous, like the shell of some small 

 egg, the inner delicate, appearing cinerous to the naked eye, 

 iridescent under the microscope; columella none; spores 

 globose, black, -0005 in. in diameter ( ^ about 13 ju). 



Chondriodcrma crustaceum, Berlose, in Sacc, Syll., no. 1290. 



Didcrma crustaceum, Peck, in 26th Report of State Mus. 

 N. Y., p. 74. 



On fallen sticks and leaves. Memphis ; United States. 



Owing to absence of information respecting the capillitium 

 and presence or absence of markings on the epispore, the 

 p(jsitiun of the species is uncertain. 



Chondrioderma liceoides, Rost. 

 Plasmodium scarcely as thicli as a needle, creepmff or x>ulvinate, 

 wall highly charged with lime, wliite externcdly, inside reddish- 

 brown ; inner wall contiguous to outer, delicate, viokt ; capil- 

 litium f.iirly abundant, threads swq^le, or once or ticiec diehoto- 



