19 



dedly quicker iu its action than any form of organo-nitro- 

 _genou8 matter. 



Magnesium earbonate, a new product of the Stassfurt 

 industry, of Prussia, Germany, containing 18.5 per cent, 

 of potash, is said to possess good properties in improving 

 the (piality of tobacco. In the Connecticut valley, where 

 line cigar leaf is raised, nearly all kinds of domestic, com- 

 mercial, and special fertilizers are used. Of domestic fer- 

 tilizers, horse manure is considered the best, as it produces 

 the tinest and lightest colored leaf of any known fertilizer. 

 •Cotton seed meal, when used with domestic manure, is an 

 excellent and strong manure. 



Mapes formula is a favorite with many growers of tine 

 •cigar leaf in Connecticut. 



VIII. The Stalk. 



Figure 3 represents a full grown 

 tobacco stalk, with the leaves taken 

 off. 



The tobacco stalk varies with the 

 varieties of the plant. 



All of the species cultivated in the 

 United States have stalks of a large 

 size, much larger than many varieties 

 grown in the tropics. 



The American varieties have erect, 



round, hairy, viscid stalks and large 



librous roots, while the foreign va- 

 FxGiRE a. 



rieties are harder and much smaller. The size of the 

 stalk corresponds with that of the leaves ; the two larger 

 stalks in the figure sliow the American, and the smaller 

 stalk the foreign. The size of the stalk corresponds with 

 that of the leaves, and. with such varieties as are planted 

 in Virginia, North Carolina, Kentucky, and other old to- 

 ibacco States, will be found to be larger than the Spanish 



