BIBLIOGRAPHY 
Adamovic, Engler’s B. Jahrbuch, vol. xxvii., 1899-1900 ; 
vol, Xxxvi., 1905. 
Aitken, (1) Nature, vol. xli., 1891 ; (2) B. S., Edinburgh, 
vol, xix., 1891. 
Anderson, Lake Ngami, 1856, 
Andersson, (1) B. Centralblatt, xcv., 1904; (2) B. 
Centralblatt, Bd, Ixxv., 1898. 
Anon., Jour. Roy. Hort. Soc., 1902, p. 977. 
Arctowsky (see Murray), Geog. Jour., July 1899. 
Arnott, T. Nat. Hist. Soc., Dumfries, vol. xvii., p. 45. 
Arthur, Jour. Roy. Hort. Soc., vol. xxvi., p/ 223. 
Bachmann, Ber. d. deut. B, Ges., xxii., 1904, p. 101. 
Bang, B. Centralblatt, xcv., 1904, p. 21. 
Bartholomew, Physical Atlas. 
Bateson, (1) Jour. Roy. Hort. Soc., vol. xxvi. ; (2) Mendel’s 
Principles of Heredity, 1902. 
Baudouin, Com. Rend., t. cxxxviii., p. 1000. 
Baumann. See Molisch (2). 
Biffen, Conference on Genetics (Roy. Hort. Soc.), 1906, 
Biometrika (Journal). 
Birger, Engler’s B. Jahr., xxxviii. 
Blackman, New Phytologist, iii., 1904. 
Blackman and Matthaei, Annals B., 1902. 
Blaringhem, Com. Rend., t. cxl., 1905. 
Bonnier, Cours de Botanique, 1901. 
Boodle, (1) New Phytologist, iii., 1904 5 (2) Jour, Linnean 
Soc., 1904, p. 659. - 
Borgesen, B. Centralblatt, vol. xcviil., 1905. 
Bose, Plant Response, London, 1906. 
Bottomley, Nature, 1907, p. 71. 
Boweéer, Origin of a Land Flora, 1907. 
Brandis, Jour. Linnean Soc., vol. Xxxii., p. 212. 
Bruyant, B. Centralblati, Bd. xcix., 1905, p. 11. 
338 
