Cribraria. 63 



Cribraria tatrica, Racib., Hedw., 1885, p. 170; Sacc., Syll., 

 n. 1407. 



On rotten wood. Hungary (Tatra). 



Sporangia f 1 mm. diameter, stem 2 mm. long. 



Cribraria rufa, Host, (f. 103). 



Sporangia broadly obovate or sub-globose, stipitate, orange- 

 rufous, calyculus well-developed, occupying one-third or more 

 of the sporangium, furnished with radiating ribs, which extend 

 above and combine to form a more or less regular net not 

 thickened at the angles ; stem brown, often with a purple tinge, 

 elongated, erect, attenuated upwards, expanding at the base 

 into a small hypothallus; spores pale brown, often with a 

 decided purple tinge, smooth, 5 7 // diameter. 



Cribraria rufa, Host., Hon., p. 232, f. 15 ; Cke., Brit. Myx., 

 p. 58, f. 15; Schroeter, p. 105; Sacc., Syll., n. 1404; Raunk., 

 p. 49, t. ii., f. 5. 



On wood. Britain (Epping, Carlisle, Linlithgow) ; Germany; 

 Sweden; Denmark. 



Gregarious, 2 3 mm. high. 



(Rostafinski's Synonyms.) 



Stemonitis rufa, Roth., Fl. Germ., 548 (1788). 



Cribraria rufescens, Pers. disp., t. i., f. 5 (1797). 



Cribraria fulva, Schrad., t. i., f. 1 (1797). 



Cribraria intermedia, Schrad., t. i., f. 2 (1797); Berk, and 



Br., Ann. Nat. Hist., no. 1601. 

 Trichia rufescens, Poir., Ency., viii., no. 31 (1808). 



Sub-Gen. Homoderma. Calyculus absent. 



* Network thickened and forming nodes at the angles. 



Cribraria microcarpa, Rost. (f. 134 136). 



Sporangia globose, small, erect or cernuous, stipitate, calyculus 

 absent, primary ribs of network radiating from apex of stem as 

 elongated, broad bands, anastomosing laterally and forming 

 elongated meshes passing upwards into an irregular network of 



