LICHENOLOGY OF ICELAND 



171 



Names 



<n 



c 



en 



I Is I 



en 



S 



.~ 

 '5.~ 



22 



Propagation 



by 



en 



Ol 



o 



0. 

 en 

 O 

 U 

 en 



o 



C/5 



eC 



11 

 II 



Thallus 



en 

 3 

 Li 



U 



S3 



CD 



Staurothele clopima 



Stereocaulon condensatum 



coralloides 



denudatum 



evolutum 



incrustatum 



paschale 



tomentosum 



Sticta scrobiculata -(- 



Thamnolia vermicularis 



Toninia squalida 



syncomista 



vesicularis 



Usnea melaxantha 



Verrucaria maura 



margacea 



mucosa 



nigresens 



rupestris 



Xanthoria lychnea -(- 



parietina -(- 



+ 

 + 

 + 

 + 



+ 



+ 



+ 

 + 



9 



+ 

 + 



+ 

 + 

 + 



