PROPERTIES OF CRYPTOGAMIC PLANTS. 21 



caries, thongli of course mucli fainter." Mr. Borrer noticed this 

 in otlier species also. C. Eng. 



-^,,.7 ,j . , [ Tlirnsli Peltidea. Moist, shady Al- 



Jr^ elt idea apt hosa. Ach.. \ . , -^ ^, >.tt _cp 



r • 7 ,7 X • -( Piiic rocJcs. /^. apthosa 01 ilonman, 



Lichen apthosics. Linn. J tr o ^ a .• a mi 

 •^ ' f ]^. S. to Arctic Am. Tuck. 



The Swedish peasants boil it in milk, as a cure for the apthse, 



or thrash, in children. Crypt. Eng. An anthelmintic. Lind., 



N^at. Syst. 329. Willemet seldom failed to observe its power as 



a vermifuge, when given in doses of twelve grains, evening and 



morning, during six or eight days. Lichenog, i. 22, It is also 



said to possess some emetic eflt'ect. Merat & De Lens' Diet, de 



Mat. Med. iv. 98 ; Eichard, Elements d'liist. Nat. Med. ii. 43. 



Peltidea ca7ii?ia, Ach. Canine Peltidea. Upon the ground ; 

 on roofs of houses. P. caniiia, Hoif. In S. C. II. "VV. P. North- 

 ward, Tuck. 



Formerly employed, at the suggestion of Dr. Mead, as a cure 

 for the bite of a mad dog. Crypt. Eng. Pereira. It was used 

 in England for this purpose, according to the Trans. Phil. Abre- 

 ges, ii. 26, 38. Also employed, Martins states, in Smolensk. 

 Bull, des Sc. Med. de Ferus. xiii. 355 ; Sprengel, Hist, de la Med. 

 V. 493. Zayyard classes it among the diuretics. Essai, en Alle- 

 mand, sur les Morsures des Chiens Enrages, Leipsic, 1778 ; Me- 

 rat & De Lens' Diet, de M. Med. iv. 99. 



Gyrqphora proioscidea and vellea. \ Mts. of IST. Eng. and 

 Uriibilicaria " " ) northwards. Tuck. 



Found on granite, and constituting the Tripe de Roche of the 

 Canadians, with G. probosGidea, S. Vellea, and a few other Amer- 

 ican ones. They supported Capt. Sir John Franklin and his 

 brave companions in Arctic America, during a season of want 

 such as, happily, few human beings have been subjected to. 

 They are, however, bitter and nauseous, and can only be em- 

 ployed in the total absence of every other salutary food. Crypt. 

 Eng. ; also Lind., Nat. Syst. 



Gyropliora cylindrica, Ach, 



Lichen prohoscideics, Lmn. , ^ • i -d 



T^ ,.,.-^ . . ., TT Yi- rant on mountain roclcs. Br 

 Umbihcaria crimta, Ilolim. . , . . mi 



Fringed Gyrophora. Abund- 



it- 



, . , . ish America. Tuck. 



" cylmdnca 



It is used in Iceland occasionally as food, and more frequently 

 for dyeing woolen cloth of a brownish-green color. C. Eng. 

 3 



