THE ASH OF PLANTS. 



139 



same kind of plant, and in the same part of the plant. 

 Different kinds of plants often manifest very marked differ 

 ences in the quantity of ash they contain. The following 

 table exhibits the amount of ash in 100 parts, (of dry mat 

 ter,) of a number of plants and trees, and in their several 

 parts. In all cases is given the average proportion, as de 

 duced from a large number of the most trustworthy exam 

 inations. In some instances are cited the extreme propor 

 tions hitherto put on record. 



PROPORTIONS OF ASH IN VARIOUS VEGETABLE MATTERS. 



ENTIRE PLANTS, BOOTS EXCEPTED. 



average average 



Red clover 6.7 Turnips, 10.719.7 15.5 



White&quot; 7.2 Carrot, 15.0-21.3 17.1 



Timothy 7.1 Hops 9.9 



Potatoes 5.1 Hemp 4.6 



Sugar beet, 16.318.6 17.5 Flax 4.3 



Field beet, 14.021.8 18.2 Heath 4.5 



BOOTS AND TUBERS. 



Potato, 2.68.0 4.1 Turnip, 6.020.9 12.0 



Sugar beet, 2.96.0 4.4 Carrot, 5.110.9 8.2 



Field beet, 2.8 11.3 7.7 Artichoke 5.2 



STRAW AND STEMS. 



Wheat, 3.8-6.9 5.4 Peas, 6.59.4 7.9 



Rye, 4.95.6 5.3 Beans, 5.17.2 6.1 



Oats, 5.06.4 5.3 Flax 3.7 



Barley 6.8 Maize 5.5 



GRAINS AND SEED. 



Wheat, 1.53.1 2.0 Buckwheat, 1.12.1 1.4 



Rye, 1.62.7 2.0 Peas, 2.4 2.9 2.7 



Oats, 2.54.0 3.3 Beans, 2.74.3 3.7 



Barley, 1.82.8 2.3 Flax 3.6 



Maize, 1.32.1 1.5 Sorghum 1.9 



WOOD. 



Beech 1.0 Red Pine 0.3 



Birch 0.3 White Pine 0.3 



G- ape 2.7 Fir 0.3 



Apple 1.3 Larch 0.3 



BARK. 



Birch 1.3 Fir 2.0 



Red pine 2.8 Walnut 6.4 



White pine 3.3 Cauto tree 34.4 



