[75] Drude, l.c.; Schimper, l.c.; Warming, l.c.; Colonial Reports, No. 3, Miscellaneous. Schimper, Indo-Malayische Strandflora.

[75-b] Drude, l.c.; Schimper, l.c.; Warming, l.c.; Colonial Reports, No. 3, Miscellaneous. Schimper, Indo-Malayische Strandflora.

[76] Flahault, after Schimper, l.c.

[77] Lecidea has at least 230 species on British stones and rocks (Leighton).

[78] Engler, Humboldt's Centenaarschrift, 1889.

[79] Warming, Lehrbuch der Oekol. Pfl. Geog.

[80] Kerner, l.c., vol. I, p. 447.

[81] Scott, Annals of Botany, vol. 11, p. 327.

[82] Scott Elliot, Naturalist in Mid Africa.

[83] Mr. Thomas Hamilton, Researches by Lanarkshire Teachers, 1902-3.