SOUTH AFRICAN T0I5ACC0S. 1 87 



To illustrate the high percentage of common salt that the 

 tobacco plant can absorb into its system, the following extracts, 

 from analyses of dififerent kinds of tobacco made by Dr. Juritz 

 in connection with Mr. Schenck's reports, are taken:— 



Ash contains 

 Locality, etc Common Salt per cent. 



Strandveld, nnirrigated soil 30.14 



Piquetberg, manured with sheep's manure .... 30.24 

 Piquetberg, manured with sheep's manure and 



lime 30.74 



Oudtshoorn, manured with goat manure 30. 8^) 



Strandveld. unirrigated soil 30.95 



George, never manured 31.82 



Pleidelberg, manured with sheep's manure and 



partially irrigated 34.37 



Riversdale, manured with cattle manure and irri- 

 gated 35-13 



Hex River, manured with cow-dung 38-39 



As examples of the high percentage of ash the following are 



given : — 



Ash : per cent. 

 Locality, etc. of Air-dry Leaf. 



Oudtshoorn, manured with sheep's manure and 



irrigated once a fortnight 19.25 



Warm Bokkeveld, manured with sheep's manure 19.46 



Strandveld 19-76 



Oudtshoorn, manured with goat's manure .... 20.41 



George, never manured 20.59 



Otidtshoorn. manured with goat's manure, 



alluvial soil 20.63 



Hex River, manured with cow-dung 20.76 



Oudtshoorn, manured with goat's manure .... 20.80 



And of nicotin : — 



Locality, etc. Xicotin : per cent. 



Heidelberg, manured with sheep's manure and 



partially irrigated . . • • . . 4-24 



Piquetberg, unmanured 4-39 



Swellendam. manured with cow-dung and irri- 

 gated 4.56 



Piquetberg, manured with sheep's manure .... 5.20 

 Oudtshoorn, manured with sheep's manure and 



irrigated once a fortnight 5.79 



Oudtshoorn, Karoo soil, manured with sheep's 



manure 6.95 



All classes or types of tobacco belong to a single species 

 Nicotiana tabonim, closely related to wild and cultivated plants, 

 among which are the petunia, Irish potato and egg plant. 



