322 



TABLE I. 

 Percentages Calcclated to Air-dry Weight. 



No. 



Name of Species. 



Tilia americana L 



.Acer saccharum Marsh 



Acer saccharinum L 



Ulmus fulva Michx 



Celtis occidentalis L 



Robinia Pseudo-Acacia L 



Gleditsia triacantlios L 



Populus alba L 



Liriodendron Tulipifera L 



Fraxinus americana L 



Acer Negundo L 



Populus dcltoides Marsli 



Sassafras variifolium (Salisb) Ktze 



Liquidambra Styraciflua I^ 



Gymnocladus dioica L Koch 



Quercus alba L 



Quercus rubra L 



Fagus grandifolia Ehrh 



Platanus occidentali.s L 



Morus rubra L 



Hetula alba. var. papyrifera Spach. 



Prunus serotina Ehrh 



Catalpa speciosa Warder 



Populus tremuloides Michx 



Dry Feeds (Wolfe*). 



Red clover 



Peas (bloom) 



Timothy 



Leaf feed 



Poplar leaves 



Moist- 

 ure. 

 (Oven) 



8.72 



18.5 

 16.7 

 14,3 

 16.0 

 16.0 



Pro- 

 tein. 

 (NX6.25) 



19.25 

 16.62 

 17.50 

 27.56 

 28.00 

 27.13 

 30.18 

 14.37 

 18.81 

 17.06 

 18.81 

 16.18 

 25.81 

 17.06 

 26.69 

 17.94 

 19.25 

 16.69 

 22.75 

 28.00 

 17.06 

 19.69 

 26.25 

 22.75 



13.5 

 14.3 

 9.7 

 10.5 

 10.8 



Ether 

 Extr. 



1.84 

 2.22 

 3.12 

 2.46 

 2.48 

 2.54 

 3.24 

 4.37 

 3.14 

 4.06 

 2.80 

 4.02 

 4.14 

 3.92 

 3.06 

 3.81 

 3.82 

 3.82 

 2.83 

 3.54 

 5.80 

 5.43 

 3.41 

 8.41 



2.9 

 2.6 

 3.0 

 3.0 

 8.7 



N-free 

 Extr. 



40.45 

 49.26 

 57.38 

 38.08 

 36.78 

 44.17 

 38.80 

 44.66 

 45.48 

 47.77 

 48.91 

 49.30 

 44.24 

 55.53 

 39.51 

 45.83 

 42.42 

 47.35 

 44.28 

 39.96 

 54.30 

 54.72 

 47.94 

 46.19 



37.1 

 34.2 

 45.8 

 49.3 

 39.6 



Crude 

 Fibre 



Ash. 



20.30 

 17.16 



9.36 

 15,40 

 15.64 

 13.96 

 14.80 

 19.72 

 17.23 

 18.67 

 14.63 

 16.60 

 10.67 

 11.40 

 18,58 

 21,64 

 24.29 

 19.26 

 18.44 

 12.54 

 12.82 



9.54 

 12.06 

 13.71 



24.0 

 25.2 

 22.7 

 14.2 

 17.4 



9.50 

 6.02 

 5.80 

 8.74 



10.12 

 6.64 

 5.70 

 4.62 

 7 10 

 5.48 



10.06 

 8.12 

 6.30 

 5.24 

 6,02 

 4,50 

 4,70 

 4.84 

 6.74 



10.28 

 5.40 

 5.58 

 6.64 

 4.32 



6.0 

 7 

 4 5 

 7.4 

 7.5 



•Wolfe, Emil; Landwirdschaftliohe Ritterung.slehre, 3rd Ed. 



