GENERA AND 8PKCIE8. 95 



ing thalloid outgrowths. Apothecia rather large, usu- 

 ally coufluent. Disk convex, scarlet. Spores normal 

 in size and form. 



7. Gladonia cariosa. Primary thallus usually well 

 developed ; lobes from small and simple to large and 

 irregularly branching, with crenate margin. Podetia 

 of medium length, expanded and irregularly branch- 

 ing above, warty. Apothecia numerous, rather large. 

 Disk convex, brown. Spores colorless, elliptical, sim- 

 ple, Utx X 3.5/x. 



8. Gladonia decorticata. Primary- thallus fairly 

 well developed ; lobes usually small and almost entire, 

 sometimes large and much branched, margin crenate. 

 Podetia medium to long, branched above, finely gran- 

 ular and sometimes bearing thalloid outgrowths, but 

 soon becoming decorticate, beginning at the base. Apo- 

 thecia very numerous, medium size, confluent. Disk 

 convex, brown. Spores rare. 



9. Gladonia macilenta. Lobes of primary thallus 

 scattered over substratum, variable in size and branch- 

 ing ; margins distinctly crenate. Podetia medium, slen- 

 der to rather thick, covered by scaly thalli which dis- 



*appear after a time. Apothecia medium to large, con- 

 fluent. Disk convex, scarlet. Spores normal. 



10. Gladonia cristatella. Primary thallus fairly well 

 developed; lobes from small and almost entire to large 

 and branching, usually more or less adnate. Podetia 

 medium, branched above, rarely simple, gniiiular, bear- 

 ing secondary thalli. Apothecia very numerous, me- 

 dium size, confluent. Disk convex, scarlet. Spores 

 rare. 



