THE BOTANICAL EXPLORATION OF ARABIA. 
491 
Hueuker, A. — Beitrage zur Kenntnis der phytogeographiscJlien 
Yerhaltnisse des Sinaitischen Teils der arabiscbeii Wiiste. Verb. 
Ges. D. Naturf. Leipzig, 1911 u. 1912. 
1903. — Wimmer, J. — Palaestinas Boden mit seinen Pflanzen u. Tierwelt 
vom Beginn der Bibliscben Zeiteii bis zur Gegenwart. Ver. Scbr. 
Gdrres Ges. Coin. 2 (1902) 1-128. 
1903. — Leveille et Vaiiiot. — Cyperacees de Palestine. Bull. Abad. intern, 
geog. bot. (1903) 566, Mans (Le). 
Leveill-e et Vaiiiot. — Kenonculacees et Oenotberacees d’ Orient. 
Bull. Acad, intern, geog. bot. (1903) 567, Mans (Le). 
1903. — Magnus, P. — Fungi, Ein weiterer Beitrag zur Kenntnis der Pilze 
des Orients. Bull. Boiss. ser. 2, 3 (1903) 573-587. Geneve. 
1904. — Hogarth, David George. — Tbe Penetration of Arabia. London, 
1^04. 
1905. — Krause, K. — Professor Krause of Berlin published in 1905 contri- 
butions towards tbe knowledge of tbe Flora of Aden. He enumerates 
178 species as growing in Aden and Little Aden. He bas not visited 
Aden bunself, but tbe specimens of tbe following collectors were at bis 
disposal : Hildebrandt, Scbweinfurtb, Ellenbeck, Busse, and Defiers. 
He adds a list of 40 species from Aden Hinterland. 
Krause, K. — Beitrage zur Kenntnis der Flora von Aden. Engl. 
Bot. Jahrb. XXXV (1905) Heft 5. 
1905. — Planes, J. (Fabbe). — Noms des plantes recuiellies en Arable* 
Petree et dans le pays de Moab. Kevue biblique Internat. 2 (1905) 
400-410. 
Planes, J. — Notice sur la flore de P Arable Petree. Cbalon-sur- 
Saome. Bull. Soc. Sci. Nat. 29 (1903) 193-202.^ 
1900. — Biixtou. — A journey to Sana. Blackwoods Magazine. 1906. 
906. — Pilgrim, Guy E. — Superintendent Geological Survey of India^ 
collected in Oman in 1906. 
Pilgrim, G.^ — Geology of the Persian Gulf and adjoining Portion 
of Persia and Arabia. Mem. Geol. Surv. Ind. 34, pt. 4 (1908). 
lOOIf. — Blatter, Ethelbert. — Tbe Flora of Aden. Journ. Bom,b. Nat. Hist. 
Soc. XVII (1907) 895-921 ; XVIII (1907) 54-68. 
Blatter, E. — Flora of Aden. Kecords Bot. Surv. India VII (1914- , 
16), with nxap and plates. 
Blatter, E. — Flora Arabica. Kecords Bot. Surv. India VIII, 
pt. I (1919), pt. II (1921), pt. Ill (1921) ; with map. (So far 
only the Dicotyledoneae have been worked out). 
Ab. 190'Jf. — Cox, Sir Percy Z. — Political Department of India. Collected 
under tbe slopes of tbe Zor Hills on the coast line of the N.-E. corner of 
