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Rusby, H. H. 
'96. Concerning exploration upon the Orinoco. Alum, journ. coll. 
pharm., N. Y., 1896, vol. 3, p. 185-191. 
Schiller, G. W. 
'57. Catalog tier Orchideen-Sammlung von G. W. S. zu Ovelgonne an der 
Elbe. Hamburg. Ed. 3, 1857. 
Seemunn, Berthold. 
'64-'67. Revision of the natural order Hederaceae. Seemann's Journ. 
of bot., vols. 2, 3, 4, and 5. 
Contains a nimiber of Venezuelan plants. 
Simons, G. J. . 
'68. Beschrijving van het eiland Curagou. G. S. Tempe: Oosterwalde, 
1868, p. 156. 
Suringar, W. F. R. 
'86. Nederlandsch-West-Indische expeditie, verslag en reisverhaal. 
Tijdschr. Nederl. aardrijskundig genootschap. Amsterdam, ser. 2., 
1886, pt. 3, afd. versl. en meded., pp. 45-90, 355-394, 511-545. 
Villavicencio, R. 
'80. La Republica de Venezuela, bajo el punto de la geografia y topo- 
grafia medicas y dela demografia. A Rothe: Caracas, 1880. 
Chapter on flora is excellent, describing the distribution. 
Weddell, H. A. 
'55. Chloris Andina essai d'une flore de la region alpine des Cordilleras de 
I'Amerique du Sud. P. Bertrand: Paris, 1855. 
Addenda. 
Botanical works referred to other than Venezuelan. 
Fawcett, W. 
'89. Plants collected in the Cayman Islands. Bull. bot. dept. Jamaica, 
1889, no. 11, p. &-7, Feb. 
Grisebach, A. H. R. 
'64. Flora of the British West Indian islands. LoveU Reeve & Co.: 
London, 1864. 
Martins, Karl F. P. 
'40-'06. Flora brasiliensis. Monachii and Lipsiae, 1840-1906, 15 vols., 
plates. 
Millspaugh, C. F. 
'00. Plantae Utowanae. Publ. Field Col. mus., no. 43, bot. ser., 1900, 
vol. 2, no. 1, p. 1-135. 
