144 A Monograph of the My-xoyastres. 



Arcyria punicea, Pers. Disp., p. 10 (1797); Eng. Fl., v., 318; 



Cooke, Hdbk., No. 1170 ; Fung. Brit., ii., 520. 

 Trichia purpurea., Schum. Saell., 1472 (1803). 

 Arcyria rufa, Schum. Saell., 1486 (1803). 

 Arcyria melanoccjtiiala, Schum. Saell., 1484 (1803). 

 Arcyria conjugata, Schum. Saell., 1485 (1803), 

 Arcyria cincta, Schum. Saell., 1480 (1803). 

 Arcyria cylindrica, Schum. Saell., 1486 (1803). 

 Trichia cinnabaris, DC. Fl. Fr., No. 688 (1805). 

 Arcyria fusca, Fr. Gast., p. 17 (1818). 

 Arcyria vemicosa, Rost., MOD. Supp., p. 36. 



Arcyria punicea. Var. cribroides, Raunk. 



The inner meshes equal and of ordinary width ; on the 

 surface of the capillitiura, on the contrary, groups of very small 

 and single layers succeed each other alternately. 



Raunk., Myx. Dan., p. 108, t. 3, f. 12. 



Jutland. 



Arcyria ferrnginea, Rost. (figs. 250 253). 



Sporangia globose or ovate, sometimes deformed, stipitate, 

 dull vermilion or rusty-red, sometimes pale reddish-pink; stem 

 thin, length variable, usually short, filled with large cells ; mass 

 of capillitium and spores brick-red, brownish, sometimes ochra- 

 ceous ; capillitium becoming elastically protruded, threads com- 

 bined to form a dense, irregular network, more or less acutely 

 triangular, one side with parallel projecting ridges, the two others 

 with a fine, irregular network ; spores globose, smooth, 9 11 /ix 

 diameter. 



Arcyria ferrnginea, Rost., Mon., p. 280, fig. 194; Cke., Myx. 

 Brit., p. 73, fig. 194 ; Sacc., Syll., vii., 1, n. 1470. 



Arcyria intricata, Rost., Mon. Suppl., p. 72. 



JExsicc. Fuckel, Fung. Rhen., n. 1444. 



On rotten wood. Britain (Hampstead, Carlisle, Scarboro') ; 

 Europe ; United States ; Ceylon. 



Distinguished amongst the red species of Arcyria by the 



