THE BOTANICAL EXPLORATION OF ARABIA. 
487 
Haig, F. — Un voyage an travers I’Jemen. Bull. Soc. Geogr. d’ 
Anvers (1887) 88. 
1887. — Hiirgronje, J. 8. — Ueber seine Keise nacb Mekka Verb. d. Ges. f. 
Erdkunde z. Berlin. XIV, 1887. 
Hiirgroiije, S, 8. — Mekka init/ Bilder Atlas. 2 vols. Hague, 
1888. 
1887. — Musa eollected in Sinai ii) 1887. Plants at»Kew 
1891. — Betligc, 0 . — Das Klima Arabiens. Wissensehaftliche Beil. z. 
Programn der Eealsch. zu Kassel. Ostern, 1891. 
I89S. — Burckliardt, Heriiiauii. — He travelled from Damar to Eeda. 
Gives botanical notes. 
Burckhardt, II. in Zeitschr. der Gesellsch. fiir Erdkunde n. 7 (1902) 
•593. 
Burckiiardt, H. — Eeisskitzen aus dem Yemen. Mitt. d. Ges. f. 
Erdkunde. Berlin, 1902. 
Burcktiardt, H. — Ost Arabien von Basra bis Maskat. Zeitschr. 
der Ges. f. Erdkunde. Berlin, 1906. 
1891.— Kaiser, A. — Collected in Sinai in Dec. 1891. Plants at Kew. 
1891. — Bossi. — Un excursione nell’Yemen durante Pinsurrezzione del 
1891. Catania, 1894. 
Slossi. — Neir Yemen. Eio. Coloniale II, 1906. 
189^. — Boil Josaphet. — Wiiste u. Wiistenvolk. Oesterr. Monatschr. 
XVIII, 1892. 
1892. — Harris, Walter B. — He took the direct road from Aden to Sana, 
and a cross-road from Tais to Eeda in 1892. 
Harris, W. B. — A Journey through the A emeu and some general 
remarks upon the c/ountry. London, 1893. ('ontains many bota- 
nical observations. 
Harris, W. B. — A recent journey in Yemen. Eep. Brit. Assoc. 
Ad vane. Sc. 1893. 
1892. — llervey, Hiulley Francis Amelins. — ( ollected at Malacca, and sent 
a few plants from Aden to Kew in 1892. 
1892. — Waltlier, Fr. P., Ord. Min. — Itinerarium in terrain sane tain et ad 
sanctam Catharinam. Tiibingen, 1892. 
1893. —- Bent, James Theodore (1852-1897). — Traveller and archaeologist. 
He and his wife were constant companions in the East, in Arabia, and 
in Africa. In winter of 1893-4 they went to Hadramaut. accompanied 
by William Lunt, a member of the staff of the Eoyal Gardens. The 
plants were described by Baker m the Kew^ Bull. 1894 p. 328. The 
specie.s number about 150 
