So2 CRYPTOGAMIA ALG^. 



The crufl: is green, befet with numerous Imall 

 crowded tubercles, the whole furrrounded with 

 a black margin. This differs but very little 

 from the preceding, and is perhaps only a va- 

 riety of it. The^ tubercles are flat, not elevated 

 but level with the cruft. 



rugojus 4. L. lepofus albicans, lineolis fimplicibus pundlifq. 

 nigris confertis. Sp. 'pi. 1607. Dillen. mufc. 1. 18. 



/. 2.; 



Wrinkkd Lichen. Anglis. 



On the fmooth bark of trees frequent. 



The ground or crufl; of this is fo thin as to be 

 hardly difcernible. What liltle there is to be 

 leen of it is v.'hitifh, and fometimes of a dull green 

 colour. The fructifications are innumerable 

 imall black tubercles or dots, fo crowded toge- 

 ther as to form black fpots of various fize and 

 figure, running tranfverfely upon the bark. 

 1 hefc dots in the old fpecmnens arc difpofed in 1 

 waved lines or furrows, which give the whole j 

 furface of the cruft a wrinkled appearance. 



pertmjus ;;, L. leprofus, verrucis fubtelTellatis lasvigatis pertufis 



poro uno alterove cylindrico. Syft. nat. edit. 13 



p. 805. L. 'veirucofus. Eudf. Fl. J'/jg. p. 445, 



(Dillen. mufc. t. iS.f. g.) y 



Porous warty Lichen. A'nglis. 



Upon trunks of trees, and fometimes upon rocks. 



The cruft is fmooth, of a greenifh afh-colour when 



moift, xinereous when dry, and covered wi.th 



numerous 



t 



