North .hufiicaii [Iclicosponr. 



45 



large spores ; the brown hypluu creep very close on or be- 

 neath the surface of tlie substratum, and are much branched 

 and entangled. 



l-'ig S. Heliconiyces elegans. 



Genus II. — Helicoma, Corda. 



Hyplue creeping, septate, branched, bearing the spores on 

 lateral fertile branches. vSpores rather thick, usually septate, 

 hyaline or sometimes brownish, closely coiled into a flat, fixed 

 spiral. 



The spores in this genus are not hydrotropic. 



a. Spores in a si?iole coil. 

 I. Helicoinia l.\k- 

 VALE, Morg., n. sp. Ef- 

 fused, forming a thin, 

 puberulent stratum, 

 dirty-gray or brownish 

 in color. Hyphce stout, 

 thick, much branched, 

 septate, brownish, the 

 spores terminal on slen- 

 der hyaline branches. 

 Spores brownish, in a 

 single coil, transversely 

 7-septate, with a fine, 

 dark line running nearly midway lengthwise ; the coiled spore 

 16-20 mic. in diameter; the thread 35-40 mic. in length, and 



Fig. 9. Helicoma larvale. 



