158 A Monograph of the Myxogastres. 



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

 On trunks. Sweden ; Germany. 



(Rostafinski's Synonyms.) 



Arcyria vcrmicularis, Schum., Fl. Saell., n. l-iTo, teste Fr. 



(1803). 

 Arcyria pimicca, ^ vcrmicularis, Fr., 1. c, iii., p. 178 (1829). 



Arcyria cinnamomea, Hazsl. 



Ginnajnon-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 //, thich, with sliwt, cylindrical, diaphonaus 

 warts; spores cinnamon. 



Arcyria cinnamomea, Ha,z&\., 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. Hcmiarcyria. Thrcaxls of capillitium ivith continuous 

 ridges spirally arranged. 



§ Spores minutely warted. 



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



Sporangia olovate-ollong, usually fasciculate on a common 

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



