CRYPTOGAMIA ALGJE. S3 5 



framnetis^€ L. foliaceus ere6lus oblongns lanccolatus lublaci- 

 niatus lacunolus glaber, fcutellis fubpeduncula- 

 tis. Sp. pi. 1614. {Morh.hiji. f. 15. /. 7./. 3, 4. 

 T'ournef. Inftit. 549. /. 325 /. yl. B. Dillen. raujc. 

 t. 22. f. 59. opt. Michel. gen. t. 30./. i.bona.) 



Great long-leaf d wrinkled Lichen. Jnglis. 



Upon the trunks and branches of trees, particU' 

 larly of oaks and 'afhes, frequc'nt. 



The leaves of this are froin half an inch to an 

 inch and a half broad, and, in fair fpecimcns, 

 fc ur or hve inches long, divided into long lan- 

 ceolate fegments, wrinkled and pitted on both 

 fides with oblong deep cavities, of a rigid fub- 

 ftance and glaucous colour. 



It produces plenty of fliields, both in the margins 

 and furface of the leaves, at firft concave, af- 

 terwards krger and flatter, of a pale whitiHi 

 colour, fupported on fhort peduncles, compofed 

 of the membrane of the leaf a little produced. 



The leaves are fometimes covered with a green fa- 

 rinaceous powder, and are fometimes proliferous, 

 producing cluftcrs of fmall young leaves out of 

 their edges. 



prunajiri L. foliaceus ereftiufculus lacunofus, fubtus tomen- 

 47^ • tofus albus. Sp.pl. 1614. (Vail. Paris, t. 20. f, 



II, 12, £5? 7. Dillen. mufc, t. 21, f. 55 ^34.) 



Common ragged hoary Lichen. J^glis, 



Hhh 2 Ic 



