158 A Monograph of the Myxogastres. 



Arcyria ajfinis, Rost., Mon., p. 276 ; Sacc., Syll., vii., 1, n. 1463. 

 On trunks. Sweden ; Germany. 



(Rostafinski's Synonyms.) 



Arcyria vermicularis, Schum., Fl. Saell., n. 1475, teste Fr. 



(1803). 

 Arcyria punicea, /3 vermicularis, Fr., 1. c., iii., p. 178 (1829). 



Arcyria cinnamomea, Hazsl. 



Cinnamon-colour inside and out; sporangia gregarious, at 

 length distinct, cylindrical ; stem equal to sporangium in length, 

 diaphonous- white ; tubes of capillitium combined into a hexa- 

 gonal network, 3 4 fj. thick, with short, cylindrical, diaphonous 

 warts ; spores cinnamon. 



Arcyria cinnamomea, Hazsl., Just., Bot. Jahr., 1877, p. 156; 

 Sacc., Syll., vii., 1, 1477. 



Arcyria decipiens. Berk. 



Gregarious, sporangia stipitate, obovate, ochraceous, capil- 

 litium free above, obovate, erect, with the mass of spores 

 ochraceous ; spores globose. 



Arcyria decipiens, Berk., Fung, of Darwin's Voy., Ann. Nat. 

 Hist., v., 4, p. 447, t. 10, f. 3. 



On palm stem. Rio Janeiro. 



Habit of Trichia clavata, but capillitium reticulated, and 

 thread without spirals (Berk.). No specimen exists in Berkeley's 

 herbarium. 



B. Hemiarcyria. Threads of capillitium with continuous 

 ridges spirally arranged. 



Spores minutely warted. 



Arcyria rubiformis, Mass. (figs. 262 264). 



Sporangia olovate-oblong, usually fasciculate on a common 

 ridged or contorted stem of variable length, sometimes sub-globose 





