of some Lichens. 259 



Spec. erig. in horb. Conservat. botan. Genevse (vide Tabulas 

 Lecanorce chlaronce), 



Lugano (Helvetia italica). 



Var. coronata, forma livida^ Mer. 



Mereschkovsky, Nachra^ z. Flechtenl. a. d. Umgeg. Revals, Kazan, 

 1913. 



Apotheciis disco livido. 



Spec. orig. in herb, meo Kazani. 

 Estiilandia : Reval. 



Var. incurvodentata, Mer, 



Mereschkovsky, Schedulse ad Lich. ticin. exsiccatos, in Annuaire d. 

 Conservat. et Jard. bot. d. Geneve, vol. xii. 1919, p. 152. 



Thallus et margo apotheoiorum obscuriores (quam in typo), glauco- 

 cinerei. Apothecia latitudine ut in typo sed minus regularia, 

 margiue tenuiore, inciso-crenulato, crenulis incurvo-dentatis, 

 simul ut in Lecanora allophnna. Epithecium granulosum ut in 

 typo, auperne strato amorpho baud insfcructum. 



Spec. orig. (1) in herb. Conservat. botan. Genevse, (2) in 

 Mereschkovsky, Lich. ticin. exs. no. 16. 

 Geneva (Helvetia). 



Mereschkovsky, /. c. p. 216. 



Thallus cinereus ; apothecia brunneola, oonvexiuscula vel convexa, 

 interdum subbotryosa, margine teuui vel subevanescente, thallo 

 concolore. 



Spec. orig. in herb. Conservat. botan. Genevee (vide Tabulas 

 Lecanorce chlaronce). 

 Geneva (Helvetiit). 



Forma obscura, Mer. 

 Mereschkovsky, I, c. 



Thallo et margine apotheciorum griseo-plumbeis, disco obscure 

 fusco-nigro, apotheciis 0-8-l"6 millim. 



Spec. orig. (1) in herb. Conseivat. botan. Genevse (vide 

 Tabulas Lecanorce chlaronce), (2) in herb. Brit. Mus. 

 Geneva (Helvetia). 



17* 



