131 



amount of digestible carbo-hydrates. In the grasses of both countries 

 the fiber increases with regularity as the nitrogenous const ituten Is 

 decrease, and of the latter the non-albuminoid portion is relatively 

 great the poorer the quality of the grass, 



CHANGES IN COMPOSITION DURING GROWTH. 



In addition to the single analysis previously tabulated, analyses 

 have been made of series illustrating the changes in composition of 

 several species from the appearance of the blade to the maturity of the 

 seed. 



The grasses examined comprise : 



I. Agrostis vulgaris. (Red top.) 

 A series from richer soil. 

 A series from poorer soil. 

 II. Phleum pralense. (Timothy.) 

 A series from richer soil. 

 A series from poorer soil. 



A series of first year's growth from seed sown iu garden soil. 

 A series from La Fayette, Ind. 



A series from Hauover, N. H., the two latter from rather poor soil. 

 III. Dactylis ylomerata. (Orchard Grass.) 

 A series from the first growth. 

 A series from later growth. 

 IV. Alopecurus pratensis. (Meadow Fox tail.) 



A series from good sod. 



V. Poa pratenses. (Blue Grass, Meadow Grass.) 

 A series from good soil. 

 A series from poorer soil. 

 A series from the wayside. 

 A series from Quincy, 111. 

 VI. Poa compressa. (Wire Grass. 



A series from poor soil. 

 VII. Bromus unioloides. (Schrader's Grass.) 



A series from rich, garden soil. 

 VIII. Bromus credits. (Broom Grass.) 



A series from poor soil. 

 IX. Holcus lanattis. (Satin Grass.) 



A series from poor soil. 

 X. Arrhenatherumavenaceum. 



A series from medium soil. 

 XI. Setaria glauca. 



A series from medium soil. 



XII. Anlhojcantknm odoralum. (Sweet Vernal Grass.) 

 A series from medium soil. 



XIII. Festuca ovina. (Sheep's Fescue.) 



A scries from poor soil, growing iu bunches. 



XIV. Lolium perenne var. Italicum. (Italian -Rye Grass.) 



A series from low, moist soil. 



A series of first year's growth from tho seed iu garden soil. 

 XV. Lolinm perenne. (Rye Grass, Daniel.) 

 A series from medium soil. 



