AESTRACTS. 587 



brown colour. It differs but little botanically from T. parvifolia, and is 

 much used in public places in Germany in conjunction with Acacia 

 Bessoniana. — G. H. 



Tobacco. By W. C. Stubbs {U.S.A. St. Bel. Louis. ISth Ann. 

 Bep. 1900). — Experiments were made at Baton Rouge Experiment 

 Station in the production of " wrappers " from Havana and Sumatra seed, 

 but the soil of the station appeared to be rather too heavy for the best 

 results, that of North Louisiana promising better. — C. H. C. 



TomatOS on Trellis. By "Fruit-grower" {Agr. Jour. Cape G.H. 

 vol. xviii. No. 11, pp. 784-785, May 1901).— The training of the plants 

 on a trellis-work of stakes is claimed to have given good results. — B. N. 



Trees, North American, New or Little Known. By Ch. S. 



Sargent {Bot. Gaz. vol. xxxi. p. 1 ; No. 1). — The following are described, 

 with localities : — Gleditschia texana, n. sp. ; Gratczgiis Engelmanni, n. sp. ; 

 C. Canbyi, n. sp. ; C. Peoriensis, n. sp. ; C. pratensis, n. sp. ; C. snbmoUis, 

 n. sp. ; C. clilatata, n. sp. ; G. Hohucsiana, Ashe ; C. coccinea, L. ; C. c. 

 Totundifolia ; C. Jonesce, n. sp. — G. H. 



Tropseolum " Isola Bella." By F. Rehnelt, Giessen [Die Gctrt. 

 p. 37, 26 10/1901). — Description and illustration. Produced by crossing 

 TropcEolum pcregriniLm and T. Lobbianum. Recommended as profuse 

 winter bloomer, and the bright scarlet flowers are a desirable article for 

 bouquets &c. — G. B. 



Truck Farming- and Trucking*. By F. S. Earle {U.S.A. Dep. Agr. 



1900, p. 437). — This differs from market gardening in that the produce is 

 grown for shipment to a distant market, and is market gardening on a 

 large scale. A few pages are given explaining how it may be profitably 

 carried on. — C. W. D. 



Vanilla {Bull. Bot. Dep. Jam. vol. viii. p. 86). — An account of the 

 cultivation of this Orchid in Seychelles; the value of the "vines"; 

 methods of propagation by cuttings, and of artificial pollination. — G. H. 



Vegetables, Testing* Commercial Varieties. By W. W. Tracy 

 {U.S.A. Dep. Agr. 1900, p. 543). — Details are given of the methods 

 pursued by the U.S.A. Dep. Agr.— C. W. D. 



Vernonia Arechavaletae. By Edouard Andre {Bev. Hart. 

 pp. 284, 285 ; with coloured plate). — South America. Pretty lilac- 

 coloured flowers in corymbs. Not hardy. — C. T. D. 



Vine-culture. Trenching" and subsoiling American Vines {Dep. 

 Agr. Vict. 1901). By Raymond Dubois and W. P. \Yilkinson. — Treatise 

 on the culture of American Vines in Australia, mostly translated from 

 European authorities, profusely illustrated with woodcuts of machinery 

 and appliances. Another pamphlet of same date treats of new methods 

 of grafting and budding as applied to reconstitution with American Vinef^, 

 chiefly derived from French authorities on the subject. Illustrated by 

 numerous woodcuts.— 3/. 0. C. 



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