1895. 



MICROSCOPICAL JOURTiJ^AL 



75 



Spores oblong only, colorless or decolorate y — Continued. 

 J Th. foliaceous x 

 X Apothecia immersed 

 X Apothecia sculellseform 

 z Spores 2-4 locular 

 z Sp simple 

 y ThiUus uniform x 



X Apothecia putellseform u 

 X Apo. rounded or oblona; z 

 u Spores bi-quadri-locular or fusiform and acicular 

 u Sp. bi-plurilocular or muriform multilocular 



45 Heterothecium 

 z In a diflProm rounded or stellate pseudo-stroma 56 Arthonia 



63 Endocarpon 



Speerschneidera 

 10 Parmelia 



44 Biatora 



