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ANALYSES OF THE GRASSES. 
V. SPEAR-GRASS (Poa yratensis). 
1. First specimen. Grown in the rear of the State House : cut May 13, large growth 16 
inches high, just heading out. Eight stalks weighed 98*12 grs., and gave 
Per centum. 
Water - 81-564 
Dry matter 18-436 
Ash. 2-267 
Ash calculated dry ..... 12-296 
Organic matter calculated dry ... 87-704 S. 
2. Second specimen. From the same place : cut June 8 ; height 30 inches, in flower. 
Eight whole stalks, with radical leaves, weighed 210-25 grs., and gave 
Per centum. 
Water ........ 77*374 
Dry matter ....... 22*626 
Ash.- 2-073 
Ash calculated dry ..... 9*162 
Organic matter calculated dry ... 90*838 S. 
This plant also shows the same comparative decrease of inorganic, and corresponding 
increase of organic matter as it advances in age, as the Triticum repens. 
3. Third specimen. From Hoosic-falls, Rensselaer county : gathered May 20, 1848 ; 
whole height 22 inches. 
PROPORTIONS. 
Stalk - .... 43*00 
Leaf ...... 57-00 
Water in the stalk ...... 80*75 
Dry matter - - - - - - - 17*91 
Ash ........ 1-34 
Ash calculated dry - - - - - - 7*48 
Water in the leaf - - - - - - 75-50 
Dry matter - - - - - - - 21*56 
Ash.2-84 
Ash calculated dry - - - - - - 13-17 
Water in the whole plant - - - - 78*12 
Dry matter - - - - - • - 13*79 
Ash -.- 2*09 
Ash calculated dry - - - - - * 10*05 
