241 



2. Borrera ephebea; thallo cinereo-pubescente, laciniis erec- 

 tiusculis complicatisque subteretibus ramosis filiformi- 

 attenuatis subtus subcanaliculatis concoloribus, apotheciis 

 sparsis disco nigro, margine tliallode subinflexo pubes- 

 centi-ciliato. Ach. Lich. Univ. p. 501. Syn. Meth. Lich. 

 p. 223. 



Hab. Valley of Lima. 



3. ^occeWdi fuciformis ; thallo piano cinereo-virescente dicho- 



tome laciniato, laciniis attenuatis, apotheciis marginali- 

 bus. Ach. Lich. Univ. p. 440. Syn. Meth. Lich. p. 244. — 

 Lichen fuciformis. Linn. — Engl. Bot. p. 728. 

 Hab. Rocks on the sea-shore, about Lima; abundant. 



This Archil has been chemically analyzed by Mr. Mackin- 

 tosh, and found to yield a very inferior dye, so as scarcely 

 to be worth gathering as an article of commerce. The true 

 R. tinctoria, (if it be indeed a distinct species,) with terete 

 fronds, probably grows on the same rocks with it ; as 1 have 

 seen them both in the Scilly Isles : and is, I believe, always 

 found to yield a more beautiful and valuable colouring matter. 



ALG^. Linn. 

 1. Sargassum vulgare. Ag. — Fucus natans. Auct. 

 Hab. The Pacific Ocean. 



LEDEBOUR'S 

 JOURNEY TO THE ALTAIC MOUNTAINS. 



In the Second Part of Vol. I. of this Miscellany, I announced 

 the intended publication of the result of Professor Ledebour's 

 visit to the Altaic Range of Mountains. Considerable pro- 

 gress has now been made in this work. The first volume of 

 the beautiful Icones Plantarum has appeared; the first, also, 

 of the Flora Altaica, and two volumes of Travels. The 

 latter abound in interesting matter : they give an excellent 

 picture of the country and its inhabitants, detail the diffi- 



VOL. II. . R 



