Cribraria. 63 



Crihraria 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, Rost. (f. 103). 



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

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

 of the sjwrangkcm, furnished with radiating ribs, which extend 

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

 thickened at the angles ; stem Irown, often with a imr2:)le tinge, 

 elongated, erect, attenuated upwards, expanding at the base 

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

 decided jDurple tinge, sviooth, 5 — 7 /u. diameter. 



Crihraria rufa, Rost., Mon., p. 232, f. 15 ; Cke., Brit. Myx., 

 p. 58, f. 15; Schroeter, p. 105; Sacc, Syll., n. 140-i; Raunk., 

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



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

 Sweden ; Denmark. 



Gregarious, 2 — 3 mm. high. 



(Rostafinski's Synonyms.) 

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

 Crihxtria rufesccns, Pers. disj)., t. i., f. 5 (171)7). 

 Crihraria fnlva, Schrad., t. i., f. 1 (1797). 

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



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

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



Sub-Gen. Homodcrma. Calyculus cdmnt. 



* Network thickened and forming nodes cd the angles. 



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



Sporangia globose, small, erect or cernuous, stipitate, ccdi/culus 



cd)scnt, primary ribs of network radUding from apex of stem as 



elongcded, hroad bands, anastomosing Icdercdly and forming 



elongated meshes passing upwards into an irregular network of 



