PROPERTIES OF CRYPTOGAMIC PLANTS. 19 



• Leoanora Hwmatmnma, Acli. j Blood-specked lecanora. 



Lichen cocGineus, Dicks. Cr. Fasc. | Eocks and brick walls. 

 Used in dyeing. Lind., ^N'at. Syst. 329. 



Parmelia atra. \ Blaek-skielded lecanora. N. S. and 



Lecanora atra^ Acli. \ Northward. Tuck. S. C. ! H. W. K. 

 Used in djeing. Lind., Nat. Syst. Bot. 329. 



Parmelia 2)hysodes, Acli. ( Inflated parmelia. S. 0. 

 Lichen " L. I H. W. E. 



Used in Tartarj as an application for tke cure of recent 

 injuries. 



. . , ( C)n rocks on mts. of Ensj- 

 Parmeha FaUunensts, Acli. ) ^,^^^ , ^j^.^^ ^^^^^ . ^j^.^^ 



Lichen " I^inn- ( and Green Mts. Tuck. 



Said to be remarkable for its black color, and for furnishing a 

 good vermilion tint. Merat & De Lens. iv. 99 ; Prost., Cat. des 

 PL de la Lozere. 



Parmelia encausta, Ach. Encaustic 2)armelia. Used in dye- 

 ing. Lind. The P. conspersa and 2)arietina are employed for the 

 same purpose ; the latter is also astringent. 



Parmelia 2>arietina, Ach. j P. parietina Fr. S. C. ! (H. 



Lichen " Linn. \ W. E.) and Northward. 



Dr. Sander assures us that the powder of this species is more 

 efficacious than quinine in the intermittent fevers of autumn, even 

 in rebellious quartans. Journ. de Hufeland, 1806 ; Biblioth. 

 Med. 4, ix. 115. It has a taste like quinine, and an essential oil, 

 which Gumprecht says is analogous to that of the Peruvian bark. 

 Journ. de Pharm. v. 309. Scrhoder has given an analysis, which 

 does not show any of the principles found in the febrifugal barks. 

 Merat & De L., Diet, de M. Med. iv. 104; Traite Chim. sur le 

 Lichen des Murailles (in German) ; Journ. de Pharm. xx. 536, 

 183L 



( Gray-stone parmelia. Trees, 

 Parmeha saxatilis, Ach. ) ^.^^^^^ ^^^ ^^^^^^^^ ^_ g^^^^ ^^ 



Ltchen " Linn. ( Arctic America. Tuck. 



Used in Scotland to dye woolen stuffs of a dirty purple. 

 Crypt. Eng. 199 ; Lind., Nat. Syst. 329. Merat says that this 



