GROUP V — BASIDI0-TRE^M:^I,I,INE^^. Fr. 



Whole plant gelatinous. This natural order deviates from 

 the typical Basidiomycetes in so far that the basidio are im- 

 bedded in the form of sporophores, with the spicules elongated 

 into threads. The following genera are included, viz : 



TrkmelIvA. 



KXIDIA. 



HlRNKOLA. 



GUKPINIA. 



Gknus I. TREMBI/I/A. Fr. 



Gelatinous, tremelous. Hymenium surrounding the whole 

 plant, not papillate. 



T. lutescens. Fr. Yellowish Tremella. 

 Gelatinous, convoluted, gyrose, pallid, then a light yellow. 

 Common on decaying branches of trees all through the Valley. 



T. mesenterica. Retz. 

 Orange, expanded over the subiculum, convoluted, gyrose, 

 various in extent. 



Common on dry alder -^r willows along the Lehigh River. 



T. vesicaria. Bull. 

 Firm, bladdery, waved and wrinkled, viscid within which 

 becomes hard when dry. Sporophores globose. 



On the ground in woods near Fogelsville. 



185 



