Lepidoderma . 255 



billed into an irregular net; spores globose, dingy violet, 

 minutely wartcd, 11 — 13 ju. diameter. 



On grass and twigs. Sweden. 



(Type in Herb., Kew.) 



Plant 1*5 mm. high, 1 mm. diameter; characterized by the 

 obovate sporangium and the swelling at the base of each 

 bifurcation of the capillitiura. The minute warts on the 

 spores often show a tendency to become elongated. 



Lepidoderma Chailletii, Rost. 



Sporangia hemispherical, adnatc hy a hroad base to a hypo- 

 thallus, blackish-violet, with numerous shining brown pro- 

 tuberances; columella very small, brownish; threads of the 

 capillitium subviolaceoics, loith scattered swollen poo^tions, forming 

 a dense net ; spores subviolaceous, toarted, 10 — 12 ju diam. 



Rost., Mon., p. 189, fig. 179 ; Sacc, Syll., vii., p. 887 ; Cooke, 

 Myx. Brit., fig. 179. 



France ; Germany. 



Lepidoderma Carestianum, Rost. 



PlasmodiocarjJ hroadly effused, pulvinate, flattened, wall mem- 

 branaceous, fragile, greyish brown, with numerous rather small 

 white squamules of lime ; threads of capillitium brownish gxey, 

 yellowish, or almost colourless, branched, and sometimes slightly 

 rough with minute granules of lime; spores globose, warted, 

 brown with tinge of purple, 14 — 15 /u. diam. 



Rost., Mon., p. 188 ; Sacc, Syll., vii., p. 387. 



Beticularia Carcsiiana, Rabenh., MS., and in Rab., Fung. Eur., 

 n. 436. 



On twigs. Italy ; Belgium. 



A peculiar species surrounding thin twigs like a cushion, 

 1 mm. thick, and extending for 1 cm. or more in length. 



Scetion douUful. 

 Lepidoderma Kurzii, Berk. 



Sporangium globose, stipitate, nodding, obscure ycllov:ish- 



