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 



Turnips, 10.719.7 15.5 



Carrot, 15.021.3 17.1 



Hops 9.9 



Hemp 4.6 



Flax 4.3 



Heath... .. 4.5 



average 



Red clover 6.7 



White " 7.2 



Timothy 7.1 



Potatoes 5.1 



Sugar beet, 16.318.6 17.5 



Field beet, 14.0-21.8 18.2 



ROOTS 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, 3.86.9 5.4 I Peas, 6.59.4 7.9 



Rye, 4.95.6 5.3 | Beans, 5.17.2 6.1 



Oats, 5.05.4 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, 2.42.9 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 Piuc 0.3 



Grape 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 



