PaRMELia. Collema. 



aagj 



Obs. Descripsit Swartz h c. Habitus Parmdia, 

 nigrescentis , sed thallus evidenter laciniatus Sc pul- 

 chre reticulato-rugosus. Scutellse marginales nec 

 laterales sparsse, margine (oculo arrnato) verrucoso. 

 Situ scutellarum parmeliam myriococcam etiam re- 

 fert, sed harum forma Sc nurnero atque thalii lia- 

 bitu 8c colore ab ea satis diifert. 



36, Parmelia fiaccida : thallo gelatinoso mem- 

 branaceo atro-viridi profunde lobato, lobis 

 discretis oblongis rotundatis obtuse lobatis in~ 



o 



tegns laxis complicatis ; scutellis sparsis rufis 



demum thallo concoioribus. 



Lichen flaccidus Lich. Pr. p. 131. Lich* 



rupestris Linn. Swartz A£i. Ups. V. 4* 

 p. 249. Gmel. S. L. 



Icon. Achar. N. A£t Ac Sc. Stoclh. V. 16, 

 T. 1. f. 4. 



Habitat in rupibus declivis inter muscos, 

 Obs. Decriptio in A&. Stockh. 1. c. p. 15. Scu- 

 telias juniores concava? marginatss, demum conve- 

 xiusculae rufescentes 8C atrovlrides. Thalius non 

 rugosus, sed plerumque pulvere fuliginoso adsper* 

 sus. Hanc speriera pro varietate Parmeli& nigre- 

 scentis habet Bernhardi ap. Sci.tr ad. in Journ, 

 f. d. Bot. 1799. I. p. 16. 17. Sed procul dubio 

 djstincla species 8c evidenter differt thalh lobis 

 usque ad basin vel centrurn Lichenis partitis, ii- 

 beris oblongis 8c vagiter expansis non rugosis, 

 scuteliisque rarius sparsis , majoiihus. In Parme* 

 lia nigrescente thalius monophyllus 8C margine tan- 

 tum lobatus rugosus , 8C scutellas ubi adsunt cen- 

 trales confertissiinse minutae. 



/3. P. rivularis: thallo gelatinoso membrana- 

 ceo glauco-virescente, lobis oblongis obtusis 

 subrepanclis fiexuosis crispis ccmplicatisj scu- 

 tellis planis sparsis pallicle rubris. 

 Lichen rivularis Lich. Pr. p. 132. N. A£t. 

 Ac. Sc. Stockh. 1801» V. 22. p. 163. 



Icon* 



