28 ON THE MEDICINAL AND TOXICOLOGICAL 



Pereira, M. Med. 45 ; Dillenins, Diss, de Liclienc Pjxidat ; Schle- 

 gel's Thesaunis Mat. Medicse, i. 307, Leipsic, 1703. Van Voen- 

 sel, a physician of St. Petersbiirgli, recounts its liappy effects in 

 tliat diy, irritable condition Avliicli is attended witli a tickling 

 sensation of the throat and Inngs. Azconovieta approved of its 

 nse in this affection, and, with Dillenins, advised it in phthisis. 

 Tlie dose is from one to two drachms. Sprengel, Hist, de la 

 Med. V. 493 ; Cnllen, Med. Pract. iii. 96 ; edition of 1819. 

 Merat observes that this plant, so easily ol)tained, is too much 

 neglected. It furnishes a tincture of a green color. Prost., Diet, 

 de Mat. Med. iv. l05. 



Scarlet Cup Lichen. 

 - On mountains. 'N. S. 

 and northwards. Tuck- 



ScypliophoTus cocciferus, Crypt. Eng. " 



Cenomyce coccifera, Ach. 



Claydonia " Scliaer. 



" cornucojnoides, Fries. 



Pepnted to be astringent and febrifugal. Lind., Nat. Syst. 

 It has been given in convulsions and in rheumatism. Brulv- 

 mann's Epistle, 57 ; M. Asconovieta, Obs. sobre el Muxus Pyx- 

 iodes Terrestris, 6 Lichen cocciferus, L., en la pertussis. Merat 

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



OkDER 2. — ALGyE (IxARTICrLAT^E). 



Aquatic plants, with very few exceptions. The globules, in 

 some genera, are enveloped in gelatine. 



!N'o cryptogamic jilants have been more general objects of ad- 

 miration and research ; and if their value is to be estimated by 

 the service that mankind derives from them, they will hold a high 

 rank in the scale. Many are eaten in different parts of the world, 

 especially in the North of Europe, and some are esteemed great 

 delicacies. Cattle, at certain seasons of the year, repair to the 

 shores at low tide, and devour the sea-weeds with great eagerness. 

 From the marine AJgce, Iodine, a new principle, and possessed of 

 very remarkable properties, is derived. It has been successfully 

 employed in the cure of (joitrcs ', a disease which. Dr. Gillies in- 

 forms us, has yielded, in South America, to the application of the 

 stem of a certain Fucus, long before iodine was employed in civ- 

 ilized Europe. Li the manufactory of Kelp, these same plants 

 are of vast importance, and the value of land rose in Scotland 

 (during the war on the continent, and when we were deprived of 



