sgo Stxcta. 



sparsis elevatis concavis rufis, margine tenui 



inflexo subcrenato. 



Lichen disseclas Lich. Pr. p. 158. SwARTZ 

 Prodr. p. 147. Fl. Ind. Occid. V. 3. 



Habitat ad arbores Indias Occident» 



Obs. CyphelliB in hac eodem modo comparatag ac 

 in Sticta lacuiiata , sed quando ruptae margines non 

 ita protuberant SC fundus magis planus sese offert. 



11. Sticta anthraspis: thailo membranaceo - sub- 

 cartilagineo rotundato-lobato lacunoso-reticu- 

 lato cinereo- virescente subtus nudiusculo ru- 

 guloso, cypheliis minutissimis albis ; scutellis 

 lateralibus demum convexis atris, margine ju- 

 niarum thallo concoiori. 



Habitat in America septentrionaii. D. Menzies. 



Obs. Cyphellas in hac specie vix perceptibiles pun- 

 diformes , soredia minuta convexa pulverulenta al- 

 ba simulantes. Habitus 8C Scutellas Stict.am nec 

 Parmeliam (Lobariam) esse probant. Pagina thalli 

 inferior rugis elevatis insequalis, praeterea fere gla- 

 bra iSC subnuda, raiius tomento quodam fuscescen- 

 te adspersa; superior quasi reticulata 8C scrobiculis 

 irregularibus lacun&sa. 



3 2. Sticta limbata : thallo membranaceo subde- 

 presso fusco-glauco rotundato-lobato margi- 

 nem versus cinereo pulverulento subtus spon- 

 gioso, cypheilis albidis; scuteliis ferrugineis. -f 



Lichen limbatus D:r J. E. SMITH. Msc. 

 Habitat in sylvis montosis Britannias. 

 Obs. Distinciissima species. Smith in Litt 



23. Sticta fuliginosa: thallo membranaceo de- 

 presso cin^reo-glauco-lurido granulis fuscescen- 

 tibus scabro sinuato - lobato subtus lacunoso 

 subluteo villoso, cyphellis concavis albidis; 



scu- 



