GUIDE TO TIMBERS OF NIGERIA 99 



DA WE, M. T. " Report on a Botanical Mission through the 

 Forest district of Buddu and the Western and Nile Pro- 

 vinces of the Uganda Protectorate." Col. Rep. (Cd. 2904), 

 1906 (1-63). 



- and ORMBY, S. " The Economic Products of the Mabira 



Forest, Uganda Protectorate." Bull. Imp. Inst., Vol. Ill, 



1903 (41-46). 



DE BRIEY, Comte J. See DE WILDEMAN. 

 DE WILDEMAN, E. " Flore du bas et moyen Congo." Annales 



du Mus. du Congo, Vol. I. 1903-6 ; Vol. II, 1901-8. 



- " Etudes sur la Flore du Katanga." Ibid., Vol. IV, bot. 



series. 



- " Mission forestiere et agricole du Comte Jacques de Briey 



au Mayumbe (Congo Beige)." Minist. des Col. Belg., 

 1920. 



- ;t Plantae Laurent ianae," (Collection by E. Laurent.) 



- See DURAND. 



DURAND, TH. " Index Generum Phanerogamorum," 1886. 

 and DE WILDEMAN, E. ** Materiaux pour la Flore du Congo," 



1897-1901. 



Empire Timber Exhibition, Catalogue of the Exhibits, 1920. 

 ENGLER, A. " Beitrage zur Flora von Afrika." Bot. Jahrbucher, 



Vol. X, 1892-1911. 



- " Monographien afrikanischer Pflanzenfamilien und Gat- 



tungen," 1898-1904. 



- ' Der Pflanzenwelt Ost-Afrikas und der Nachbargebiete " 



(The Woods by E. Gilg), 1895. 



- " Bestimmungen von Nutzholzer aus Kilossa." Notizblatt. 



d. k. bot. Gart. Berl., 1898, Vol. II (187). 



- " Chlorophora excelsa (Welwitsch) Bth. and Hooker." 



Ibid., Vol. II, 1899. 



- and PRANTL. " Die Naturlichen Pflanzenfamilien," 1891. 

 FARRELL, W. J. " The True-Tone Violin," 1921. 



FIORE, A. " Piante raccolte nella Colonia Eritrea nel 1909." 



- " Boschi e Piante legnose dell'Eritrea," 1912. Nuovo. 



Giorn. bot. Ital., Vols. XIX-XX, 1912-13, pp. 345, 394 



(N.S.). 



FOSTER, E. W. " Notes on Nigerian Trees and Plants " (N.S.). 

 FUCHS. " Le Mayumbe." Publ. de VEtat Ind. du Congo, No. 10, 



1893 (N.S.). 

 GIBSON, J. H. " West African Boxwood." Journ. Inst. Trop. 



Research, 1906. 

 GILG, E. " Die Baeume Kameruns, etc." Notizbl. d. k. bot. 



Gart. Berl, Vol. V, 1908-1912 (123). 

 GUILLEMIN, J. A., PERROTET, S., and RICHARD, A. " Florae 



Senegambiae tentamen," 1830-1833. 

 GURKE and VOLKENS. " Identiflcierung einiger ostafrikanischer 



Rinden u. Hoelzer," 1899, p. 21. 



