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 ........ 74*429 
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. 
Lauras sassafras. 
Populus trerauloides. 
Wood. 
Bart. 
Wood. 
Bark. 
Wood. 
Bark. 
Wood.. 
Bark. 
Percentage water, 
32*67 
36*92 
24*00 
22*05 
30*38 
46*26 
40*52 
50*70 
Percentage dry - 
67.33 
63*08 
76*00 
77*95 
69*62 
53*74 
59*48 
49*30 
Percentage ash - 
0*33 
2*41 
0*49 
7*88 
0.38 
2*17 
0*33 
3*95 
Table II. 
Rhus typhina. 
Wild Plum. 
Cornus alternifolia. 
Bark. 
Sap wood. 
Heartwood 
Wood. 
Bark. 
Wood. 
Bark. 
Percentage water, 
35*74 
25*24 
21*06 
18*80 
26*08 
34.03 
54*15 
Percentage dry - 
64*26 
74*76 
78*94 
81*20 
63*92 
65.97 
45*85 
Percentage ash - 
2*89 
0*28 
0*43 
0*37 
6*05 
0*20 
2*41 
