LICHENES. tl 



Mount Terror. 



On stone : 



Gyrophora anthracina. 

 Neuropogon melaxanthus. 



Highest point reached (5000 feet) on ridge of Western Mountains. 

 On stone : 



Lecanora subfusca. 



The following papers have been referred to in the course of this Report on the 

 lichenes of the ' Discovery ' : 



1. BLACKMAN, V. H. Lichenes. Report on the Collections of Natural History made in the Antarctic 



regions during the Voyage of the 'Southern Cross.' London, 1902, p. 320. 



2. DARiiiSHiRE, 0. Y. The Lichens of the South Orkneys. Transact, and Proceedings of the 



Botanical Society of Edinburgh, vol. 23, pp. 105-110, plate 23, 1905. 



3. FRIES, TH. M. Lichenographia Scandinavica. Upsalite, 1871-1874. 



Lichenes antarctici. Nyt Mag. f. Naturvidcnskab. Bind 40 (1902), p. 208. 



4. HOOKER, J. I). The Botany of the Antarctic Voyage of H.M. Discovery Ships ' Erebus ' and 



' Terror,' in the years 1839-1843. London, 1847. (Flora antarctica.) 



5. HUE, A. M. Lichens. Expedition Antarctiqne Francaise (1903-1905), commandee par le Dr. Jean 



Charcot. Paris, 1908. 



6. XYLAXDER, W. Synopsis Methodica Lichenmn. Paris, 1858-1860. 



7. TUCKERJIAN, E. A Synopsis of the North American Lichens. Boston and New Bedford, 1882-1888. 



8. VANHOEFFEN, E. Veroffentlich. Instituts f. Meercskunde, Heft 5, pp. 143-154. Berlin, 1903. 



9. WAINIO, E. A. Lichens. Resultats du Voyage du S. Y. 'Belgica' en 1897-1899. Expedition 



Antarctique Beige. Anvers, 1903. 



DESCRIPTION OF PLATE. 



FIG. 1. Lecanora lavae. Vertical section of apothecium, showing the gonidia under the hypothecium and 

 the small granules at the lower end of the stalk of the apothecium. Magnification 100. 



FIG. 2. Lecanora expectans. Vertical section of apothecium, showing the gonidia under the hypothecium 

 and the loose hyphae infesting the moss-plant on which the lichen is growing. Magnification 100. 



FIG. 3. BueUia quercina. Plant in situ on dark basic lava from Granite Harbour. Natural size. 



Fis. 4. Buellia frigida. Plant in situ on felspar porphyry from unknown locality. Natural size. 



FIG. 5. Parmelia quartet. Plant in situ on dark basic volcanic ash from Granite Harbour. Natural size. 



