42 MYXOMYCETES. 



47. Chondriodeirma luciduxn. (B. 8f Br.) 



Sporangia subglobose, sessile, either scattered or crowded, split- 

 ting in an irregular stellate manner, bright reddish-yellow, inter- 

 nally yellow, mass of spores globose ; capillitium brown, irregular 

 at the points of ramification, yellowish ; spores globose, violet- 

 black, '0125 mm. diarn., minutely echinulate. Ann. Nat. Hist., 



No. 938. 



On moss and Jungermaunia. 



Didcrma lucidum, B. & Br. in Ann. Nat. Hist., No. 938, t. 15, 

 f. 9; Cooke Hdbk., No. 1110. 



This and the following species are not contained in Rostafinski's 

 Monograph. 



48. Chondrioderma Cazmichaeliamim. (B.} 



Sporangia perfectly sessile, outer wall brick-red, inner white, 

 intimately connected with the outer, splitting into many revolute 

 rays ; columella large, spores dark. Eng. Fl., v., p. 34. 



On moss. 



Diderma CarmichcElianum, Berk. Eng. Fl., v., p. 34 ; Cooke 

 Hdbk., 1112. 



CHONDRIOUERMA. 



I. Walls of sporangia single, with the lime 



either in grains or crustaceous deposits. (Monoderma.} 



A. Plasmodiocarp. 



Vein-like, convex, columella large . anomalum. 



Net-like, flattened, -without columella . reticulatum. 



B. Sporangia simple. 



| \\ alls simply covered with granules of 

 lime ; form irregular, without colu- 

 mella ...... Alexandrowiezii. 



Hemispherical, with large columella . NIVEUM. 

 Wall crustaceous. 



* With out columella . . . PHYSARIOIDES. 

 ** With columella. 



Sporangia sessile or stipitate, dis- 

 coid, margin of sporangium after 

 posing the spores, saucer- shaped. MICHELII. 

 Sporangia much crowded on a 



strongly-developed hypothallus . SPUMARIOIDES: 

 Sporangia exactly globose, with 



columella ..... fallax. 



Sporangia of irregular form . Friesianum. 



