^38 CRYPTOGAMIA ALG7E. 



fhnooth and black, except the edges, which ai^i 

 pale brown. ' - 



The fhields are very rare, and found only on old 

 fpecimens, which are widely fpread, but do not 

 then preferve their circular form. They are 

 large, concave, of a brown red colour, vn^\ 

 fmooth within ; pale, rough, and leprous with- 

 out. 



The fime leaves which bear fliiclds, as well a§ 

 thofe which do not, have their whole furface co- 

 vered, and their margins fwelled^ with Pollen. 



■laucus 50 L. foliaceus deprefilis lobatus glabcr, marginc 

 crirpo farinaceo. Sp. pi. 161,5. {DUkn. miifc.t, 

 25./. 96J 



Smooth endive-leav'd Lichen. Ariglis. 



Upon the ground amongil (lones and rocks, but 

 not con";mon. Mr. Taldm gathered it near Mof- 

 fat^ and Mr. Stuart in Breadalhane. 



The leaves are very thin, varioiifly laciniatd, their 

 fegments indented, and criiped or curled on 

 the edges, like endive. Their upper fide ij 

 ftnooth and glof!^/, of a white glaucous colour 

 except at the extremities, which are often fuf- 

 cous. The under fide is alio fmooth and glofTy. 

 black in the middle, but fuicous at the extre- 

 mities. Notwirhftanding this fnoothncfs of the 

 leaves, the upper furface is a little pitted, and 

 the under one wrinkled. ■ 



Th 



