Genus Helvetia 



Helvella lacunosa (See plate facing page 140) 



Cap — Of one piece, thin and flexible like rubber cloth, folded to 

 saddle the apex of the stem. The two saddle-flaps are at- 

 tached on their 

 margins at irreg- 

 ular intervals 

 when young, and 

 are puffed out 

 like a balloon ; 

 but when ma- 

 ture, the pieces 

 separate. Their 

 outer surface is 

 brownish grey, 

 and their inner 

 surface light 

 grey, creased and 

 folded. 



Stem — Irregularly and 

 deeply furrowed. 



Flesh — Odour offen- 

 sive. 



Habitat — The speci- 

 men pictured was 

 found growing 

 imbedded in deep 

 woods. 



Attachment 

 of stem 



Cap flattened 

 out 



Section of 

 Stem. 



H. lacunosa (diagrammatic) 



moss on old bark in the Lake Placid 



LSc-u-no'-si 



143 



