100 A Monograph of the Myxogastres. 



reddish metallic sheen; stem black, shining, rigid, subulate, 

 entering the peridium as an obovate columella, and about half 

 its height; capillitium of dusky threads springing from apex 

 of columella, branches for some distance simple, then becoming 

 very much bra/nchcd, laterally connected, and forming a dense net 

 at the periphery r , spores dingy- violet, minutely spinulose, 1011 ^ 

 diameter. 



Lamproderma Schimperi, Host, Mon., p. 203, fig. 63 ; Sacc., 

 Syll., n. 1343 ; Cke., Myx. Brit., fig. 63. 



Germany. 



Lamproderma Sauteri, Host. 



Similar to L. violaceum, but more rigid in every part; 

 sporangia spherical, slightly flattened below, 1 mm. broad, 

 shining with various metallic tints; stem black, sulndate, 

 springing from a well-developed hypothallus; columella cylin- 

 drical, truncate ; capillitium threads toanched from the lose and 

 forming a dense network, pale when the spores are blown away ; 

 spores dingy-violet, densely covered with spinules, 12 15 /A 

 diameter. 



.Lamproderma Sauteri, Host., Mon., p. 205; Sacc., Syll., vii., 1, 

 no. 1348. 



Tyrol. 



Entire specimen 2 mm. high. 



Lamproderma minutum, Host. 



Sporangia spherical, mm. diameter, slightly metallic ; stem 

 black, slender, equal ; columella cylindrical, thin, truncate ; 

 threads of capillitium colourless, rarely fasciculately branched, 

 fascicles blending togctJwr ; spores violet, delicately vcrruculose, 

 6'6 /u, diameter. 



Lamproderma minutum, Host., Mon., Append., p. 26 ; Sacc., 

 Syll., vii., 1, n. 1351. 



France. 



Lamproderma columbinum, Rost. 

 Sporangia stipitate, sub-ovate or globose, blackish, reflecting 



