THE BOTANICAL EXPLORATION OF ARABIA. 
473 
species to the list. In 1854 we find Thomson as Superintendent of 
the Botanic Garden in Calcutta. When, owing to ill health, he re“ 
turned to Europe in 1861, he once more made a small collection of 
plants at Aden. A third set of Aden plants, gathered by Thomson, 
dates from 1872. The specimens are at Kew. 
185^0 — FSayfair, Bir F.ot^ert Laiiihert (1828-1899). — He entered the 
Madras Artillery in 1846. Retired from the Army as Lieutenant- 
Colonel (1867). Later he served as Assistant Executive Engineer 
at Aden (1852-53) and still later acted as Political Resident (up to 
1862). He sent a number of plants to Kew together with coloured 
sketches which he had personally made. Brandis mentions that 
Playfair cultivated a number of the more interesting Aden plants in 
the little garden surrounding his bungalow. 
Brandis in Petermann^s Mitteil. (1857) 480. 
Playfair, E. L. — History of Arabia Felix or Yemen. Bombay, 
1859. 
1852. — Vaughan,^ James (fl. 1852-3). — He was Assistant Surgeon to the 
Bombay Army and Civil and Port Surgeon at Aden in 1852. Returned 
to England in 1853. 
VangSian, J. — Notes upon the Drugs observed at Aden (Arabia), 
i'harmac. Journ, XII (1852) 226-29, 268-271.— (1853) 385-88. 
cf. Hooker Journ. Bot. V, 124. 
1855. — Bnrtoii, 8ir Eletiard Francis (1821-1890). — Explorer and scnoiar 
(Al-Haj Abdullah). In 1853 he visited Medina and Mecca, in 1877 he 
went to Midian. On these journeys he wrote several volumes, con- 
taining many botanical observations. He altJo collected plants which 
are at Kew. 
Bnrtoii, Eo F. — Personal Narrative of a Pilgrimage to El-Medinah 
and Meccah. 3 vols. London, 1855-56. 
Burton, E. F. — The Gold Mines of Midian. London, 1878 (Con- 
tains a list of plants). 
A Memorial edition by Lady Burton appeared in 2 vols. 1893. 
Burton, E. F. — The Land of Midian (revisited V 9, vols. London, 
1879 (Contains a list of plants). 
Burton communicated a long paper to the Roy. Geogr. Soc. after 
his return from his first visit to Midian (vol. XXIVj 208). 
18^. — Sauky. — Voyage autours de la Mer Morte et dans ies terres 
bibliques. 2 vols. Paris, 1853 a 54. Avec Atlas de 61 pi. et cartes. 
I854«— llamliton, James. — Sinai, Hedjazyand Soudan. London, 1857 
(C^iatains botanical notm,) 
