' DECEMBER, 1910.J 583 



See Am. Rept. of Agr. St. in Eastern 

 Bengal and Assam for 1997-8. 



Tobacco manure. Ind. Agr. May '09, 

 p. 160. 



Nouvelles experiences de cultuur du 

 tabrc sou abri. Journ. d'Agr. trop. 

 May '09, p. 556. 



Tobacco cultivation in Cuba. Agr. 



News, May. " T. A." Aug. p. 118. 

 Tobacco cultivation in Ceylon. 



"T.A." Suppl. Aug. '09, p. 189. 

 Transvaal tobacco seed beds. J, Van 



Leenhoff. Trans. Agr. Jl. July 



'09. "T.A." Dec. 495. 

 B, E. Brewer, The preparation and 



care of tobacco seed beds. Phil. 



Agr, News, Aug. '10, p. 465. 



Harvesting and Curing : — 



The relation of nicotine to the 



quality of tobacco. U.S. Dept. 



Agr. B. P. I. Bull, 141, 1908. 

 The fermentation of cigar leaf 



tobacco. Q. A. J. 33. Dee. '09. 



"T.A." Feb. '10, p. 109. 



Toluifera :— 



Obtaining Balsam of Peru by the 

 Bowman-Northway system of tap- 

 ping. Trop, Life, Mar. '10, p. 46. 



Turmeric : — 



The cultivation of turmeric on the 

 foot hills of Tonugoo, Burma. Agr. 

 Jl. Ind. Jan. '09. "T.A." June, 

 p. 518. 



Vanilla :— 



La Vanille des Colonies francaisis 



et la vanille chimique L'Agr. pract. 



des pays chauds, Oct. '09, p. 271. 

 How Vanilla is grown in Hawaii. 



Q. A. Jl. Aug. '09. "T.A." Nov. 



p. 424. 



The prospects of Vanilla growing. 

 Agr. News '10, p. 52. 



The World's Vanilla Crops. Ch. & 

 Drug. 30. 4. 1910, p. 64, "T.A." 

 June, p. 490. 



Vanilla culture for tropical Queens- 

 land. Newpart in Q. A. J. Apr. 

 10, p. 184. " T.A." June, p. 499. 



De l'influence excercee par quelques 

 plantes sur le vanillier l'Agr. 

 pract. d. pays chauds, July '10, 

 p. 33. 



Wax :— 



Two vegetable waxes from Mexico. 

 Seffer in Trop. Life, Feb, '10 p. 36. 

 Do. Amer. Rev. trop. Agri. I. 

 p, 108. 



Micellaneous. 



Weeds :— 



Spraying for weed destruction. Agr. 



News, Feb. '09, p. 55. 

 Clean weeding, R. H. Lock, " T.A." 



Mar. '09, p. 209. 



Wheat :— 



Papers read at Brit. Assoc. '09. 



Suppl. Jl. of B. of Agr. 1910. 

 Biffen. The breeding of wheat. 



do, " T.A." Oct. '10, p. 305. 



Yautia :— 



Yautias, Taros, and Dasheens. Bar- 

 rett's Bull. 164, B. P. I., U. S. Dept. 

 Agr. 1910. 



Ylang-Ylang :— 



Die Stammpflanze des Ylang-ylang- 

 oeles, und seine Gewinung Der 

 Pflanzer, 17. 10, '08, p. 257. 



Aetherische olien v. Kan uit Java- 

 Cannangabloemen Ylang-ylangolie 

 bereid worden ? de Jong. Korte 

 Berichten Buitenzorg 73, i908. 



Note sur l'Ylang-ylang a la Reunion, 

 Journ D'Agr. trop. May '07, p. 131. 



Die Ylang-ylang Kultur auf Re- 

 union Tropenfl. Aug. '09, p. 387. 



The Culture of Ylang-ylang. Philp. 

 Aer. Rev. Sept. '09. "T.A." Jan. 

 1910. 



Ylang-ylang cultivation in the Philip- 

 pines. Ch. &. Drug. 20. 8. 1910, 

 p. 64. 



L'ylang-ylang. L'Agr. pract. d. p. 

 ch. Aug. '10, p. 118. 



BOTANY IN ITS RELATION TO 

 AGRICULTURAL ADVANCEMENT, 



(From Science, Vol. XXXI., No. 806, 

 June, 10; 1910.) 



Few things are more interesting to 

 one of a philosophic cast of mind, especi- 

 ally if he be something of a botanist or 

 agriculturist, than a growing collection 

 of plant varieties. However sluggish of 

 intellect one may be, such a collection — 

 representing forms developed in the long 

 history of the cultivator's art — is sure 

 to excite one's interest regarding their 

 origin. At first thought it would seem 

 that as practically all of the uumerous 

 varieties that exist in cultivated plants 

 have been developed as it were under 

 the eye of the grower, we should have 

 a pretty clear understanding and agree- 

 ment as to their mode of origin. Yet 

 few subjects have proved more perplex- 

 ing. The stock answer of the breeder or 

 gardener to one's inquiries is usually 

 embodied in the words sports and 



