OF THE ASH OF FOREST TREES, 



323 



8. Red Elm (Ulmus fulva) . 



Tree sound. Average diameter four feet from the base, 20 inches. Average thickness of 

 Average thickness of each layer, 0-0564 of an inch. Between 20 and 25 layers were 

 side wood, thickness 2J to 3 inches ; the remaining layers were taken for inside wood, 

 uniform. 



Bark. 



0-11 



Potash - 



Soda .... 



Chloride of sodium 



Chloride of potassium 



Sulphuric acid 



Carbonic acid 



Lime .... 



Magnesia .... 



Phosphate of peroxide of iron, 



Phosphate of lime 



Phosphate of magnesia 



Organic matter 



Silica .... 



Coal .... 



0-06 

 5-36 

 34-41 

 44-64 

 3-09 

 0-04 



| 6-36! 



2-10 

 2-81 



Outside wood. 



13-43 

 16-96 

 0-05 



0-81 



16-96 



31-00 



5-24 



0-65 



12-97 



2-93 



1-93 



1-31 



Heart wood. 



7-34 

 7-89 

 0-05 



4-57 

 26-89 

 34-79 



2-20 



1-35 

 11-28 



2-18 



1-60 



0-55 



Bark of twigs. 



3-79 



7-87 

 trace. 



5-79 

 33-12 

 32-12 



1-68 

 0-20 

 6-00 



6-50 

 3-50 



bark, J inch, 

 taken for out- 

 Growth quite 



Wood of twigs. 



5-82 



19-74 



0-20 



8-94 

 12-69 

 17-72 



4-80 



0-40 

 25.80 



0-20 

 10-84 



0-40 



J8-98S. 104-24 S. 100-69 S. 100-57 



107- 45 S. 



9. Cork Elm (Ulmus racemosa) 





Wood, 



Bark. 



Potash ..... 



25-93 



8-884 



Soda .-.-'..-. 



1-70 



0-498 



Chlorine .... 



0-30 



0-560 



Sulphuric acid 



2-57 



4-485 



Phosphate of peroxide of iron • 



- ) 





Phosphate of lime 



- ( 13 = 77 



5-605 



Phosphate of magnesia 



• ) 





Carbonic acid .... 



17-70 



19-56S 



Lime ..... 



22-83 



46-912 



Magnesia = - . . 



8-20 



1-557 



Silica 



3-57 



11-214 



Soluble silica .... 



1-67 



1-121 



Organic matter ... 



not deti 



srmined. 





98-24 S. 



99-S07 S. 



The structure of this wood is singular and beautiful, and is probably readily distinguished 

 from any other wood by a transverse section (See PI. viii. fig. 2). In this figure, the 



