440 FUNGUS-FLOEA. 



cylindric - olavate, septate, hyaline, coiled in 1-2 loose 

 spirals. 



Helicosporium viride, Sacc, SylL, iv. n. 2640. 



Helicocoryne viridis, Corda. 



On rotten wood. 



Helicosporium lumbricoides. Sacc. 



Effused, forming greyish-white spots ; hyphae creeping, 

 slender, branched and more or less anastomosing, 4-5 ft. dia- 

 meter, remotely septate, pale sooty-grey, with hyaline denti- 

 oulations at the insertion of the couidia; conidia worm-like, 

 coiled in 2-3^ loose spirals, 150 X 4 ju, with many guttulae 

 in a single row, hyaline. 



Helicosporium lumbricoides, Sacc, Mich., i. p. 86 ; Sacc, 

 Syll., iv. n. 2642. 



On rotten oak wood. 



Helicosporium vegetum. Nees. 



Tnfts broadly and vaguely effused, golden, then yellow, at 

 length olivaceous, sometimes black ; fertile hyphae straight, 

 simple, rather closely septate, 300 X 4 /x, pallid at first, at 

 length sooty-black, studded laterally . with minute hyaline 

 points to which the conidia are attached ; conidia filiform, in 

 a spiral of 2-3 turns, 45-65 X 1-1 " 6 /j,, furnished with many 

 guttulae in a single row, septate, greenish, pellucid. 



Helicosporium vegetum, Nees, Syst. d. Pilze, p. 68, fig. 69 ; 

 Sacc, Syll., iv. n. 2643. 



On rotten wood, especially oak. 



Helicosporium ramosum. Mass. (fig. 29. p 443.) 

 Tufts effused, often large, downy, dingy brown with 

 an olive tinge ; sterile hyphae creeping, fertile ascending, 

 vaguely branched, brownish, septate, 5-7 /* 1hick, bearing 

 short lateral branches that gradually increase in length and 

 form a close spiral, the whole forming an olive brown coni- 

 dium varying from elliptical to obtusely fusiform, 60-80 x 

 30-40 /A, consisting of 7-9 coils. 



Helicoryne ramasum. Berk, and Smith, Gard. Chron., 1882, 

 April 8th. 

 On wood. 



