Lawprofh'i'ma. 95 



bined into a network; spores violet, globose, smooth, — 12 ju, 

 diameter. 



LamiJrodcrma violacca, Rost., Mon,, p. 204, fig. G4; Cke., 

 Brit. Myx., p. 50, f. 64 ; Sacc, Syll., vii., no. 1894. 



On wood, moss, &c. Britain (Shrewsbury, Castle Howard, 

 Yorks); United States. 



A very distinct and beautiful species, characterized by having 

 the sporangium flattened or umbilicate below, and the almost 

 colourless capillitium springing from every part of the columella. 

 From 2 — 3 mm. high. 



(Rostafinski's Synonym.) 

 Stcnwnitis violacea, Fr. S. M., iii., 102 (1829) ; B, and Br., 

 Ann. Nat. Hist., 387; Cke., Hdbk., n. 1162. 



Lamproderma irideum, Mass. (figs. 149 — 151). 



Scattered ; sporangia globose, wall thin, with steel-blue, green, 

 or coppery metallic tints; stem elongated, blackish-brown, 

 tapering upwards, expanded at the base into a small, circular 

 hypothallus ; columella cylindrical, about one-third the height 

 of the sporangium, giving origin at the apex to several thick, 

 ascending branches, which remain simple throughout the greater 

 2wrtion of their length, towards the tips repeatedly bifurcating, 

 rarely anastomosing laterally, violet-brown, not paler at the tips ; 

 spores globose, violet-brown, smooth, 11 — 15 /x diameter. 



Lamproderma areyrioidcs, Var. iridea, Cke., Myx. Brit., p. 50, 

 figs. 246—249 ; Sacc, Syll., vii., n. 1353. 



Mvsicc. Cke., Fung. Brit., Ser. I., 523 (as Stemonitis arcy- 

 rioides); Cke., Fung. Brit., Ser. II., 523 (as Lamproderma 

 areyrioidcs). 



(Type in Herb., Kew.) 



On dead leaves, moss, &c. Britain (Hampstead). 



Distinguished by the scattered habit, smooth spores, and in 

 the primary branches of the capillitium remaining unbrauched 

 except at the tips. 



Lamproderma suboeneum, Mass. 

 Scattered ; sporangia globose, small, wall thin, hrovm, with a 



