32 
James Small. 
39. Himmelbauer, W. Die Berberidaceen und ihre Stellung im System. 
Denkschriften Ksl. Akad. Wiss. Wien. Math.-nat. Kl. 
LXXXIX, p.733. (abst. Bot. Centralbl, 131, p. 10,1916), 
40. Hooker, J. D. and Ball, J. Journal of a Tour in Morocco and the Great 
Atlas. London, 1878. 
41. Hooper, E. D. M. Report upon the Forests of Honduras. London, 1887. 
Rev. in Garden and Forest, Vol. I, p. 167, 1888. 
42. Hutton, F. W. Ancient Antarctica. Nature, Vol. LXXII, p. 244, London, 
1905. 
43. Jeffrey, E. C. The Anatomy of Woody Plants. Chicago, 1917. 
44. Jordan, A. Remarques sur le fait de l’existence en society a l’etat 
sauvage des especes vegetales affines. Lyons, 1873. 
(Read to the Congres de l’Assoc. fran^aise pour 
l’Avanc. des sciences, 1873. 
45. Jordan, D. S. The Origin of Species through Isolation. Science, Vol. 
XXII, p. 545, 1905. 
46. Kroeber, A. L. Floral relations among the Galapagos Islands. Univ. 
Calif. Publ., Bot. VI, p. 199. 
47. Lloyd, F. E. Isolation and the Origin of Species. Science, Vol. XXII, p. 
710, 1905. 
48. Lothelier. A. De l’influence de l’humidite de Fair sur le developpement 
des epines de VUlex euyopacus. Rev. gen de Bot., 
Tome 24, p. 296, 1912. 
49. Lotsy, J. P. Die endemischen Pflanzen von Ceylon und die Mutations- 
hypothese. Biol. Centralbl. Bd. XXXVI, p. 207, 1916. 
50. MacCaughey, V. A Survey of the Hawaiian Land Flora. Bot. Gaz., 
Vol. LXIV, p. 89, 1917. 
51. ,, ,, Vegetation of Hawaiian Lava Flows. Ibid., Vol, LXIV. 
p. 386, 1917. 
52. Markham. C. R. Peru, p. 29, London, 1880. 
53. Massart, J. Le role de ^experimentation en geographic botanique. 
Rec. Inst. Bot., Leo Errara, Vol. IX, p. 68, 1912. 
54. Morris, D. The Colony of British Honduras. London, 1883. 
55. Nakai, T. Notulse ad plantas Japoniae et Koreae. XIV, etc., Bot. Mag. 
Tokyo, Vol. 31, p. 97, 1917, etc, rev. Bot. Gaz. Vol. 
LXIV, p. 341, 1917. 
56. Oger, A. Etude experimentale de Faction de l’humidit^ du sol sur la 
structure de la tige et des feuilles. Compt. Rend., 
Paris, Tome, 115, p. 525, 1892. 
57. Petrocokino, A. Along the Andes, p. 9, London, 1903. 
58. Rodway, L. Botanic evidence in favour of land connection between 
Fuegia and Tasmania during the present floristic 
epoch. Proc. Roy Soc. Tasmania, p. 32 1914., abst. 
Bot. Centralbl. 132, p. 359, 1916. 
59. Samuelsson, G. Ueber die Verbreitung einiger endemischer Pflanzen. 
Arkiv. f. Botanik, Stockholm, Bd. 9, No. 12, 1910. 
60. Schroter C, and Hauri, H. Versuch einer Uebersicht der siphonogamen 
Polsterpfllanzen. Engl. Bot. Jahrb., Bd. 50, p. 618, 
1914. 
61. Schultz Bipontinus, C. H. Beitriige zur Geschichte und geograph. 
Verbreit. der Cassiniaceen. Durkheim, 1866. 
62. Sclater, W. L. and P.L. The Geography of Mammals. London, 1899. 
63. Shreve, F. The physical control of vegetation in rain forest and desert 
mountains. Plant World, Vol. 20, p. 135, 1917., rev. 
Bot. Gaz., Vol. LXV, p. 198, 1918. 
The weight of physical factors in the study of plant dis¬ 
tribution. Plant World, Vol. 19. p. 53, 1916. 
64 . 
