268 A Monograph of the Myxogastres. 



in size from 10 50 /u, diameter, have the margin more or less 

 grooved, and show indications of lines radiating from the centre 

 to the circumference. These discs occur also rarely in the 

 capillitium threads. 



(Rostafinski's Synonyms.) 



Fun^oides minimum infundibiliforme, albicans, pediculo dona- 

 turn. Mich., Nov. PL Gen., p. 205, n. 13, t. 86, f. 14 

 (1729). 



Peziza convivalis, Batsch., Elenoh. Fung., p. 121 (1781) (not 

 convivalvis, as erroneously quoted by Rostafinski and Cooke). 



Stemonitis leucocephala, Pers., in Gmel., Syst. Nat., p. 1467, 

 n. 9 (1791). 



Stemonitis cyathiformis, Schrnk., I.e., p. 19 (1790). 



Trichia cinerea, Trent., l.c., p. 227 (1797). 



Arcyria leucocephala, Hoffm., Fl. Cr. ger., t. 6, f. 1 (1795). 



Physarum pedunculatum, Schum., FL Saell., n. 1453 (1803). 



Trtchiae aureae affinis, FL Dan., t. 1314, f. 2 (1810). 



Cyathus cinereus, Purt., Brit., iii., n. 1561, t. 35 (1817). 



Craterium leucocephalum, Ditm., I.e., t. 11, Grev., FL Scot., 

 t. 65 (1817). 



Craterium vulgare, Chev., Fl. Paris, 340, non Ditm. (1826). 



Physarum leucostictum, Chev., Fl. Paris, p. 336, t. 9, f. 29 

 (1826). 



Craterium leucostictum, Fr., l.c., iii., p. 152 (1829). 



Cupularia leucocephala, Lk., Hdbk., iii., 421 (1833). 



Physarurn xanthopus, Wallr., in Sched. (1833). 



Craterium xanthopm, Walk, Fl. Germ., ii., 358 (1836). 



Craterium deoperculatum, Fr., in Wein., I.e., p. 597 (1836). 



Cupularia xanthopus, Rabh., FL Cr. Germ., n. 2226 (1844). 



Craterium pruinomm, Corda, Icon., vi., p. 13, t. 2, f. 33 (1854). 



Craterium cylindricum, Mass. (n. sp.) (fig. 213). 



Scattered or gregarious, stipitate, sporangium cylindrical, 

 elongated, apex rounded, smooth, even, lower portion pale clear 

 red, white above, upper portion breaking away in a circum- 



