Bibliography 
Geographical Journal, March 1900. 
Gibson, New Phytologist, iii.. 1904, p. 184. 
Giltay, Jahr. f. w. Bot., xliii., 1906. 
Goebel, B. Centralblatt, 1904. 
Goebel (see Groom). 
Goeze, Just (2), 1904, p. 902. 
Golenkin, Jahrb. f. w. Bot., 1902. 
Gordon, T. & P. of B. S., Edinburgh, vol. xxiii., pt. iv. 
Graebner, Die Heide Norddeutschland (Veg. d. Erde), vol. v. 
Grafe, Just (1), 1905, p. 179. 
Green, P. Roy. Soc., Ixxiii., 1904. 
Groom, P. and T. Roy. Soc., vol. cc. 
Guppy, Observations of a Naturalist in the Pacific, 1906. 
Haberlandt, Ber. d. deut. B. Ges., Xxii., 1904. 
Handlirsch, Verh, z. 6. Ges., Wien, 1904, p. I14. 
Hansgirg, Phyllobiologie, 1903. 
Harden, P. Roy. Soc., vol. Ixxvii., p. 424. 
Hartig, B. Centralblatt, |xxiv., 1898, p. 295. 
Hartz, B. Centralblatt, xcvi., p. 398. 
Harwood, New Creations in Plant Life, 1907. 
Haupt, Flora, 1902, p. I. 
Heckel, Bull. S. B. d. L, France, 1907, p. 137. 
Heering, Just (3), 1905. 
Heinricher, (1) B. Centralblatt, Ixxxi., 1897; (2) Jahr. f. w. 
Bot., 1908. 
Heller, Jahr. f. w. Bot., 1904. 
Hemsley, Jour. Linnean Soc., 1894. 
Henry, Econ. P. R. Dublin Soc., 1904. 
Henslow, (1) Origin of Plant Structure; (2) Jour. Roy. 
Hort. Soc., vol, xxvi., pt. iv., p. 668, 
Hesselmann, B. Centralblatt, xcix., 1905. 
Hildebrand (1) Ber. d. deut, B. Ges., xxi., 1903; (2) 
Verbreitungs. Phlanzen., 1873. 
Hill, New Phytologist, vii., 1908. 
Hiltner, Just, 1904, p. 78. 
Hoek, Beth. B, Centralblatt, xviii., 1905. 
Holmes, Pharmaceutical Journal, 1905, p. 141. 
Hooker, Flora Antarctica. 
Humphries, Jour. Soc. Arts, Feb. 12, 1909. 
341 
