318 PROPORTIONS OF ASH IN FRUIT TREES. 



6. Leaves of the Catawba Grape, picked June 2. Full size. 



Water 72-388 



Dry matter 27-612 



Ash 2-138 



Ash calculated on the dry matter - - - 7*746 S. 



7. Leaves and petioles of the Virgalieu Pear-tree, picked May 23. Flowers 



just fallen. 



Water 73-082 



Dry matter 26-918 



Ash 1-299 



Ash calculated on the dry matter - - - 4-213 S. 



8. Leaves and petioles of the Ox-heart Cherry, picked May 23. Flowers just 



fallen. 



Water 74429 



Dry matter 25-571 



Ash - 1-569 



Ash calculated on the dry matter ... 6*135 S. 



9. Leaves and petioles of the Lady Apple, picked May 23. Flowers just fallen. 



Water 70-261 



Dry matter 29*739 



Ash - - 1*412 



Ash calculated on the dry matter - • - 4 • 747 S. 



The following proportions of water, dry wood and ash, were determined by my assistant 

 Mr. Salisbury. The specimens of the trees were obtained in May. 



Table I. 





The Rose. 



Xanthoxylum american. 



Laurus sassafras. 



Populus tremuloides. 



Wood. 



Bark. 



Wood. 



Bark. 



Wood. 



Bark. 



Wood. 



Bark. 



Percentage water, 

 Percentage dry - 

 Percentage ash - 



32-67 



67.33 



0-33 



36-92 



63-08 



2-41 



24-00 



76-00 



0-49 



22-05 



77-95 



7-88 



30-38 

 69-62 

 0.38 



46-26 



53-74 



2-17 



40-52 



59-48 



0-33 



50-70 



49-30 



3-95 



Table II. 





Rhus typhina. 



Wild Plum. 



Comus aliemifolia. 



Bark. Sap wood. Heartwood 



Wood. 



Bark. 



Wood. 



Bark. 



Percentage water, 

 Percentage dry - 

 Percentage ash 



35-74 25-24 21-06 



64-26 74-76 78-94 



2-89 | 0-28 | 0-43 



18-80 



81-20 



0-37 



26-08 



63-92 



6-05 



34.03 



65.97 



0-20 



54-15 



45-85 



2-41 



