EXPLORATION OF ADEN .. 
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Collections Consulted. — The fallowing collections of Aden plants, 
kept at Kew, the British Museum, in the Museum of the Bombay 
Natural History Society and in the Herbarium of St. Xavier's College,. 
Bombay, have been consulted for the present work : 
Salt, Edgeworth, J. D. Hooker, Madden, Schomburgk, Thomson, 
Playfair, Anderson, Oliver & Cleave, Hildebrandt (partim), Annesley, 
Kuntze, Perry, Balfour, Schweinfurth, Hunter, Beevor, Aerbury, 
Defiers, Hervey, Lunt, Birdwood, Boycott. 
