CRYPTOGAMIA ALG^. 863 



"i bafe by an umbilical cord, 1 he upper fide is 

 crumpled, and the margin lobcd and uneven. 

 . The under fide is fibrous, and of a paler co- 



lour, efpecially towards the centre, v/here the 

 fibres are moft numerous, and are thin, com- 

 •. prefs'd, and reticulated. The fpace bcrtwcen 

 the fibres is finely granulated, which gives it a 

 (light afperity, like chagrin. 



The fru'flifications are numerous, v.-rinkled, black. 



feffile tubercles, vv'hich feem to be compofed of 



curled hairs, very like thole of tliC L. crii'itus 



■^ before- mentioned, but not fo regular nor io 



'• ■ lliining. 



Whether Linn.-fus intended to comprehend this 

 under his L. polyrbizos^ or has totally neglected 

 it, is uncertain ; but we are fure that it relates 

 to thofe figures of Diilenius above cited, from 

 having had a view of that author's fpccirnens. 



polyphyllus L- umbilicatus polyph)Ilus undique l;Evis atrovi- 

 71. . rens crenatus. Syjl. nat. edit. \^.p. J>09. Sp. pi. 



1618. [Dillen. mufc. t. .^o./. 12 9. J 

 Little fmooth dufl:y rock Lichen, yinglis. 

 Upon the rocks on the liighland mountains fre- 



quent. 

 This confifts of many fmall leaves, united at the 

 bafe by one common root, lying over one ano- 

 ther, obtufdly and unequally finuated on the 



margins. 



