August 16, 1890. 
THE GARDENING WORLD. 
799 
CONTRACTORS TO HER MAJESTY ; S WAR DEPARTMENT. 
The Thames Bank Iron Company, 
UPPER GROUND ST., BLACKFRIARS, S.E. (Telegraphic Address—HOT WATER, LONDON. Telephone—No. 4763), 
Have now pleasure in bringing to the notice of Horticulturists and Gardeners generally 
THE CHAMPION HORIZONTAL TUBULAR BOILER (K.) 
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joints—viz., with India Rubber Washers, THE 
OLD AND TOO OFTEN INEFFECTUAL WAY 
OF CAULKING THE JOINTS IS ENTIRELY 
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In the event of a Pipe in this Boiler requiring to 
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HOT-WATER BOILERS OF EYERY DESCRIPTION, PIPES, CONNECTIONS, VALVES, VENTILATING GEAR, &c. 
INSPECTION INVITED. PRICE LIST ON APPLICATION. ILLUSTRATED CATALOGUE, Is. 
Demy 8m Cloth Boards , with 25 Illustrations. Price, is. ; post free , is. 3d. 
The TUBEROUS BECONIA, 
ITS HISTORY 
CONTENTS: 
Introduction—A Brief History 
of the Begonia Family — The 
History of the Tuberous Begonia 
from the introduction of B. boli- 
viensis—The first Garden Hybrid 
and subsequent improvements— 
Propagation of the Begonia : I., 
by Seeds; H., by Cuttings— 
Cultivation of the Begonia under 
glass—Double-flowering Begonias. 
CULTIVATION. 
CONTENTS: 
Cultivation of late or winter- 
flowering plants—The new race 
of winter-flowering varieties — 
Begonias for Exhibition and for 
Bedding Out—Seed Saving and 
Hybridisation—The best form of 
Begonia House—Lists of Select 
Varieties, &c., &c.—And Illus¬ 
trations of twenty-two species 
and varieties. 
“GARDENING WORLD" OFFICE, 17, 
CATHERINE STREET, STRAND, W.C., and through all BOOKSELLERS. 
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COCOA 
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THE CARNATION AND PICOTEE, 
ITS HISTORY, PROPERTIES, & MANAGEMENT, 
With a Descriptive List of the Best Varieties in Cultivation. 
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By ARCHIBALD F. BARRON, 
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