Norf/i Americau I lelicosporic. 



49 



coiled 3-5 times, the spires rising one above another ; the 

 coil 40-50 niic. in diameter; the thread 350-400 mic. in 



Fig. IS. Heliconia anibigiiuni. 



length, 6-7 mic. thick in the middle and tapering gradually 

 to each extremity. (Fig. 15.) 



Growing on a patch of old Sphcerice on wood of Platanus. 

 The hyphcc appear to creep beneath the surface ; they are 

 more slender than the thread of the spores. This species 

 tends toward Hr/icoihi. 



Genus III. — Helicoon, Morg., nov. gen. 



Hyplue various. Spores very large, spirally coiled into an 

 elongated ellipsoidal body. 



a. Spores /lya/iiic. 



1. Hklico<'")n thvsanophorum, E. & H. Densely csespi- 

 tose or sometimes effused, cinereous. Hyphie brown, creep- 

 ing, branched, bearing the 



spores at the apex of ,,_^ ^^^ /$' 



very short, erect branches. 

 Spores h5'aline, conic-cylin- 

 dric,consistingofS-iospires 

 rather loosely coiled ; spore i.-,g. ,6. Heiicor,,, thysanophorum. 

 25-30 X 15 mic. ; the thread about 2 mic. in thickness. (Fig. 16.) 



Growing on the pitchy bark of an old Pine log: Newfield 

 N. J., Mr./. B. Ellis. 



2. Helicoon sessile, Morg., n. sp. Effused, forming 



