FLOE A OF ADEN . 
4 IS 
Stevens. Beport on the country around Aden. (Journ. Roy. Geogr. 
Soc. 1873.) 
Thornier. Die Blutenpflanzen Afrikas. .Berlin, 1908. 688 pp. with 
nap and 150 pi. 
Vahl, M. Symbol® Botanic®, sive ptantarum tarn earum quas in 
itioere imprimis orientali collegit Petrus Forskal, quam aliarum recentius 
detectarum exactiores descriptions, nec non observations circa quasdam 
plantas dudum cognitas. 3 partes. Havni® 1790—1794. 
Vatke, W. Plantas in itinere African ab J. M. Hildebrandt 
collectas determinat W. Vatke. ( Oesterr . Rot . Zeitschr. xxv ( 1875 ), 
-p. 9, 94, 166, 230, 323 j xxv i (1876), p. 145 ; xxvii ( 1877 ), p. 194 ; 
xxviii (1878), p. 198, 213, 261 ; xxix (1879), p. 218, 250 ; xxx 
(1880), p. 77, 273 ; continued in linncea xliii, i (1880-82) p. 83, 305, 
507). 
Vaughan, J. Notes upon the drugs observed at Aden, Arabia. 
(Pham. Journ. xii (1852), 226-229,268—271 (1853), 385—388.) 
Vaughan, J. Notes upon the Drugs observed at Aden, Arabia. 
(Hooker’s Journ. Rot. v, p. 124.) 
Vierhapper. Beitraege zur Kenntniss der Flora von Suedarabien, 
Sokotra, Semha und Abd el Kari. Wien, ( Akad . d. Wiss. 1907 , 170 p., 
17 pi). 
Volkens. Flora der ®gyptisch-arabischen Wiiste. Berlin, 1887. 
Warming* Oecology of Plants. Oxford, 1909. 
Wells ted, J. R, Travels in Arabia. £ vols. London, 1838. 
Wrede, A. von. Ueber die Heimat des Weihrauches. Monatsber. Verb. 
Ges.f ur Rrdkunde ix, (1852-53) , p. 38.) 
Wrede, A. von* Reise in Hadramaut. Braunschweig, 187 ^ 
Yerbliry, J. w, The Butterflies of Aden and the Neighbourhood, 
with some notes on their habits, food-plants, etc. (Journ. Rornbay Nat. 
Hist. Soc. 1892.) 
Zirkel. Mikroskopischer Tridymit. N. Jahrb, f. Mineralogie (1870) 
p. 8&7. (On Aden.) 
CALCUTTA : FEINTED BY SUPDT. GOVT. PRINTING, INDIA, 8, HASTINGS STREE| 
