^44 CRYPTOGAMIA ALG^, 



upper fide of the fhields, or their back part, h 

 of the fame colc-ur as the leaves, and wrinkled. 



Other fpecimens, deftitut? of fhields have the 

 margins of their leaves crifped and farinaceous, 

 and fometimes their difc is alfo covered with fa- 

 rinaceous warts. 



This is probably one of the fexes, as the fubftancc 



and colour of the leaves prove it to be only a 



variety of the fame fpecies. See Dil-le7n'us\ 



figures of the plant in this (l^^te, bij}. mufc. t. 28. 



/. 105. B. C 



vcnojiis e^6. L. corlaceus repens ovatus planus, fubfjs venofus 

 vlllofus peJtis marginalibus horlzontalibus. Sp. 

 pi. 1615. {Dillen. mufc. t. 28. /. 109. Michel, 

 gen. t. 44. ord. \2.f.. ^^ 5.) 



Little darkvein'd Lichen. Anglis. 



We owe the difcovery of this to the ■diligent re- 

 fearchcs of Dr. Burgefs, who found it on moift 

 rock?, and under fhady brows in feveral parts of 

 Glenkill Linn and Glenkill-Burn^ in the parifh of 

 Kirkmicbael, in Dunifriejhire. Elfewherc he in- 

 forms me he has never yet feen it. 



The leaves are about half an inch long, flat, 

 fmooth, and wedge-fliap'd, or dilated f om the 

 bsfe towards the extremity, commonly entire on 

 the edges, but fometimes divided into a few Ihorc 

 obtiife lobes. Their upper furface, while frefli, 

 is of of a fine green •, when dry, of an afh-co- 

 louf. Their under fide is v/hite, reticulated 



with 



