48 



Cincinnati Sociely of Natural History. 



Growing on old wood of 

 Kim. The outer extremity 

 of the spore does not taper^ 

 and is obtuse or some- 

 times truncate. 



6. Hkijcoma kp:kkk- 

 LKVi, Curt. Effu.sed, form- 



Fig. i.^. Helicoma linipiduni. 



ing a minutely flocculose, grayi.sh stratum. Hyphce brown, 

 creeping, septate, l)ranched, the .spores borne at the apex of as- 

 cending lateral branches. Spores hyaline, multiseptate (i.S-30); 



h'ig. M. Helicoma Bcrkckyi 



the septa sometimes indistinct, coiled 2-3 times ; the coil 25- 

 35 mic. in diameter: the thread 100-150 mic. in length, 5-6 

 mic. in thickness, ta])ering slightly toward each end ; the 

 inner extremity obtuse, the outer subtruncate. (Fig. 14.) 



Growing on old wood of Kim, Maple, etc. The spores 

 sometimes have a shining, bronzed appearance, and I have 

 found old specimens in which the spores had become brown. 



This is an abundant species. 



d. Spores coiUd ^-^ timrs. 

 7. IIi;mc()M.\ .\Mmc.uuM, Morg., n. s]). ICffused, forming 

 a very thin, flocculose, rose-colored stratum. Ilyplue slender, 

 creeping, septate, branched, hyaline, bearing the spores at the 

 apex of lateral branches. vSpores hyaline, the cell-contents 

 broken up into irregular masses, and often with large, round 

 guttuke, irregularly and fre(iuentl>- indistinctly septate ; 



