388 GRYPTOGAMIA. LIGHENES. 



niffris, margine accessorio demum inlumescente 

 intlexo subcrenulato. Achar. 1. c. p. 147. 



Habitat in muris et ad terram argillo&o-arenosam 

 passim — ad pagum Sponlioiz aut dcm Kus- 

 s o w. Berg, und an der Stadtinauer zu N e u b r a n- 

 d e n b u r g. 



1076. Urceolaria agelaea. 



U. crusta effusa tenui submernbranacea inaequabili 

 laevigata frustuloso - rimosa alba subvirescente ; 

 apotheciis confertis impressis concaviusculis nigris 

 albo-pulverulentis, margine accessorio elevato ir- 

 regulari. Achar. 1. c. p. 150. 



Habitat in cortice Uhi^i et Popul. tremLd. frequens. 



Gen. 16. P A 1; .M E L 1 A. 



A c h a r. 1. c. 



Scutellae crassae s. submembranaceae, plani- 

 usculae s. convexae, supra thallum elevatae, 

 margine libero coronatae. 

 (Thallus polymorphus.) 



* Lecanariae. Thallus crustaceus uniformls. 



j" Scutellarum disco atro, (margine accessorio dis- 



colori.) 



1077. Parmelia atra. 

 'P. crusta rugoso-granulata inaequabili cinereo-albi- 

 da; scutellis demum convexiusculis atris, mai'glne 

 albo tandem fiexuoso crenulatoque. Achar. 1. c. 



P- 154- 

 Habitat in sylvis ad caudic, Popul. tremul. ncc non 



in muris frequens. 



