CRYPTOGAMIA ALG.E, fc'25 



firft with a grey pellicle, bur afterwards turning 

 black. As they become old their outfides and 

 margins arc foliaccous, or covered with minute 

 leaves, fo that they acquire a crifped appear- 

 ance. The Tpccimens of this, after being kept 

 for fome years in paper, lofc their Ene glaucous 

 colour, and turn to a ruffct grey. Haller and 

 Dilknius make this a d*ftin(5l fpccies, and p:r- 

 haps it is (Of but there feem ro be hard'y lutfi- 

 cient limits. The latter has given fo ill a ligu'c 

 pf it, that I Ihould hardly have imagined it wai? 

 defhgned for it, if I had not fcen the fpecimens 

 of the author. See Dihen nw.fc. t. 24. /. 71. 

 That of Michdi tab. 43. ord. l^.f. 1. f which 

 - was fuppofed to be intended for the preceding) 



gives a much better idea of ir. 



pullusijt L. imbricatus, foliolis peranguftis impkxis laclrd- 



atis fufcis, fuperne convexis, apicibus ueniidis, 



fcutellis pull is. (Dillen. mufc. t. 24./. 69. Michd 



gen. /. 51. ord. 30 /. 6.') 



Small-cut brown Lichen. Anglis. 



ypon rocks not unfrequent, as in the king's psrk. 



This grow5 horizontally upon rocks, forming -4. 



brown cruft, compolcd of numerous, very fmall, 



finely laciniated, and denfely imbricated fmoorh 



. :■- leaves, having their upper furface convex, and 



their fegments and extremities all deHcx'if. 



- ;; Their upder fide whitifn, .: ; ;.; 



-•;-' Thf 



