NIDULARIACEI. 311 



11. chrysosperma, DC; Grev. ^ 281. On decayed wood. 



12. varia, P.; Batsch,f. 171. On decayed wood. 



13. scii)ula, P.; Grev. t. 266. On dead leaves, etc. 



88. PERICHJENA, Fr. 



Peridium simple, subracmbranaceous, persistent, naked, 

 often splitting horizontally in the middle. Flocci few, not 

 spiral. 



1. abietina, Fr. ; Sow. ^.258. On decaying fir-wood. 



2. populina, Fr. ; Grev. t. 252. On decaying poplar. 



89. LICEA, Schrad. 



Peridium thin, membranaceous, even, bursting irregularly. 

 Spores not mixed -with flocci. 



1. cylindrica, Fr.; Sow. ^.199. On soft rotten wood. 



2. fragifonnis, Fr. ; Grev. ^.308. On soft rotten wood. 



3. applanata, P. (no. 292). On sticks. 



4. perreptans, B.; Sow. t. 400./. 1; («o. 392). On hotbeds. 



90. PHELONITIS, Chcv. 



Peridium paper-like, persistent, commonly splitting hori- 

 zontally in the centre. Spores large, rough. 

 1. strobilina, Fr.; Grev. t. 275. On fallen fir-cones. 



Order 11. NIDULABIACEI. 



Spores produced on sporophores compacted into one or 

 more globose or disciform bodies, contained within a distinct 

 peridium. 



91. CYATHUS, P. 



Peridium composed of three closely connected membranes. 



