CRYPTOGAMIA y\LG^,. ^27 



The leaves, when dry, turn cither aili-colqur'd, or 

 yellowifh white j and, in long prefervation, the 

 blue rpongy hairs on the under fide become 

 white i in which ftate Dillemus delcribed it, for 

 j we faw, in his collcftion, the very fpecimen to 



which the figure I have above Jcitcd, and his 

 dcfcription, refer. 



D. * Foliacd, 



i i%rgi>fii 39 L. foliaceus fublmbricatus crifpus, peltis clevatis 

 nuiricato crifpis fundo dcprefTo piano. L/;;. <*;):;?. 

 nat. edit, i^, p. 807. (Vide Jig. voft.) 



Crowned Lichen, or Biirgefs's Lichen. Anglis. 



Upon the trunks of hafel and old birch trees, on 

 the bank of a rivulet called Duff-Kinnd^ near 

 ^ar7itimpen, in the parifli of Kirkpairick -, and m 

 a fhady wood called the Mollin-Linn^ in the pa- 

 rifli of Johnjlone, in DimfrieJJoire^ firft difcovn'd 

 by the Rev. Dr. Burgefs, of Kirkmichael^ in the 

 fame county. 



This confifts of thin, membranaceous, pellucid. 

 dull green leaves, Handing fomewhat erccl, 

 curled, lobed, and dented on the margins. 



The fhields are flat, fmooth, of the fame colour 

 as the leaves, fupported on very fhort pedun- 

 cles, and crowned with foliaceous criiped mar- 

 gins. 



When the plant is dry It aflumes a fomewhat dif- 

 ferent appearance. The leases become ot a 

 brown purple colour, opake, and a little hoary 



underneith't 



