sss 



s 



JOURNAL 



O F 



NATURAL PHILOSOPHY, CHEMISTRY, 



AND 



THE ARTS. 



SEPTEMBER 1799. 



ARTICLE I. 



A clrcurnflanttal-Defcription of the Method of cultivating the White Beet (Runkelriibe), in 

 erder to obtain the greatefl Quantity of Saccharine Matter, and to prepare it for the Manu- 

 f allure of Sugar. By F, C. Ac HARD, Direiior of the Phyfical Oafs in the Royal Academy 

 ofSciencei*. 



I 



N the courfe of feveral years paft I have made experiments to afcertain how far various na- 

 tive plants might be fit for making fugar. In thefe enquiries I had the opportunity of obferv- 

 ing, that the quantity of faccharine matter, and its proportion to the other conftituent parts of 

 the fame fpecies of plants, maybe increafed or diminifhed by the manner of cultivation. 



2. Among the various plants which I examined, for the purpofe of making fugar in this 

 country, I paid particular attention to the feveral fpecies of beta vulgaris Linnai; one of which, 

 peculiarly proper for manufadturing fugar, is known to the economifl in this country by the 

 name of runkelrUbef, and to the gardener more efpecially by the name of mangoldriibe. On 



• Tranflated from " AusfChrliche Befchreibung der Methode nach welcher bei derKulturdet Runckel* 

 riibe," &c. von F. C. Achard, Direftor,&c. Berlin, 1799. Oftavo, 63 pages. 



"t" As nobotanift has given the charafters of this Runkelriibe, Becimann defcribesit in the following man- 

 ner: Beta ullijpma, foribus iernisvet quaternis, filiolii cafycis inermibiis, carinalis, caule crajjijjlmo fafciato, radicc 

 maxima, ruho et albo intus variegala, foliis ma^timis rubentibus.--^Qtx of the tranflator, from i^Sldecben'i trea- 

 tiCe on the culture of this plant. 



Vol. IIL — September 1799. Ii ' comparing 



