ANALYSES OF THE GRASSES. 
79 
2. Second specimen. Taken from a swamp three miles south of Albany : plant in flower. 
Ash of a reddish tint, and slightly effervescent. 100 grs. gave as follows : 
Per cenlnm. 
Silicic acid ------- 35'250 
Phosphates ------- 19 - 350 
Lime -------- O’055 
Magnesia ------- 0-025 
Potash ------- - 9-130 
Soda.19-840 
Sodium ------- 1-605 
Chlorine ------- 2-445 
Sulphuric acid - - - - - - 8-910 
Organic acid ------ 2-450 
Carbonic acid not determined. 
98-060 
VIII. BULRUSH (Juncus effusus). 
Gathered in a swamp three miles south of Albany : cut June 22; height 40-43 inches, 
just out of flower. One stalk weighed 46 grs. 
Per cemum. 
Water -------- 46 -586 
Dry matter - - - - - - - 53-414 
Ash.0-978 
Ash calculated dry ----- 1-831 
Organic matter calculated dry ... 98-169 S. 
Ash saline. The proportion of inorganic matter in this plant is very small. 
IX. SLENDER CLUBRUSH (Scirpus tenuis). 
Gathered in a swamp three miles south of Albany : cut June 22, in flower. 
Per cemum. 
Water. 38-241 
Dry matter.61-759 
Ash.2-663 
Ash calculated dry ..... 4-312 
Organic matter calculated dry - - • 95 -688 S. 
Ash saline. 
