SCIENTIFIC BOOKS AND SERIALS. 



WHELDON & WESLEY, Ltd. have the largest stock in the country of Books 

 in all departments of Science and Natural History, also Transactions and Journals 

 of Learned Societies, etc., in sets, runs, and single volumes or mimbers; 



A very extensive stock of Books on Botany (Systematic, Economic, and Geo- 

 graphical), Forestry, Gardening, etc., always available. Any book quoted for, 

 and those not in stock sought for, without charge. 



Libraries or small parcels purchased. 



2. 3. & 4 ARTHUR STREET, NEW OXFORD STREET. LONDON. W.C. 2. 



Telephone : Gerrard 1412. 



For naming Woody Plants by tlieir Twigs. 

 WINTER BOTANY BY Professor William TijELEASE. 



Concise simple keys to over 1000 trees and shrubs of over 300 commonly 

 cultivated genera, as they occur in winter. Pocket size ; good binding ; fully 

 illustrated. " The best book of its kind " — Torreya. Price, post free, S2.50 

 with order. Address : — • 



WILLIAM TRELEASE, Urbana, Illinois, U.S=A. 

 THE 



JOURNAL OF BOTANY 



BRITISH AND FOREIGN. 



EDITED BY 



JAMES BMTTEN, K.C.S.G., F.L.S. 



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