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 hypothallus. 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.
