Falklands, etc.] FLORA ANTARCTICA. 537 



19. Lecanora ventosa, Ach.; Lich. Univ. p. 399. Engl. Bot. t. 906. Moug. et Nestl. n. 256. 

 Hab. Falkland Islands ; on alpine quartz rocks. 



20. Lecanora hamatomma, Ach.; Lich. Univ. p. 388. Engl. Bot. t. 486. 



Hab. Falkland Islands ; on clay-slate near the sea and on quartz rocks on the hills. 



21. Lecanora candelaria, Ach.; Lich. Univ. p. 416. Engl. Bot. 1. 1794. 



Hab. Falkland Islands; on twigs of Acana. Kerguelen's Land; on maritime rocks. 



22. Lecanora erythrella, Ach.; Lich. Univ. p. 401. Engl. Bot. t. 1993. 

 Hab. Falkland Islands ; on very arid quartz rocks at Port William. 



13. URCEOLARIA, Ach. 



1. Urceolaria sordida, Fries; Lich. Europ. p. 178. Lecanora glaucoma, Engl. Bot. t. 2156. 

 Hab. Falkland Islands ; on rocks. 



2. Urceolaria endochlora, Hook. fd. et Tayl.; crusta cinereo-albida tenui-rimosa insequabili nigro- 

 liniitata et punctata, apotheciis immersis planis atris rotundato-difformibus, margine thallode tenui madore 

 obsoleto, lamina tenuissima virescenti. Nobis in Lond. Journ. Bot. vol. iii. p. 640. 



Hab. Kerguelen's Land ; on rocks. 



Crusta 2-unc. lata, eburnea, denium virescens. Apothecia obconica, disco atro-pruinoso. 



The lamina proligera rests upon a very thin layer of green matter, which, again, is placed on a black hypo- 

 thallus. The plant approaches the Bceomyces anomalus, Tayl. (in Flor. Hib.) 



3. Urceolaria scruposa, var. /3. bryophila, Fries; Lich. Europ. p. 101. 

 Hab. Hermite Island, Cape Horn ; rocks on the top of Kater's peak. 



4. Urceolaria erubescens, Hook. fil. et Tayl.; thallo crustaceo rimoso areolato insequabili ruguloso 

 albido plerumque rufescente nigro-limitato, apotheciis confertis immersis concaviusculis difformibus sub- 

 pellucidis olivaceis, disco scabrido uigro-pmictato, margine thallode lacero-crenulato. Nobis in Lond. Journ. 

 Bot. vol. iii. p. 640. 



Hab. Falkland Islands ; on rocks. 



Thallus albidus, superficie plerumque colorato. Lamina proligera pellucida, strato albido insidens. 



5. Urceolaria calcarea, Ach.; Lich. Univ. p. 340. Lichen cinereus, Engl. Bot. t. 820. Porina 

 fallax (in part), nobis in Lond. Journ. Bot. vol. iii. p. 639. 



Hab. Hermite Island, Cape Horn ; on rocks and stones. 



14. BIATORA, Fries. 



1. Biatora corallina. Lecidea coraUina, Eschweiler in Mart. Flor. Bras. p. 256. L. mamillata, 

 nobis, et L. geomsea, Tayl.; nobis in Lond. Journ. Bot. vol. iii. p. 636 and 637. 



Hab. Hermite Island, Cape Horn ; on the ground. Falkland Islands ; on tufts of Bolax. 



6 K 



