44 



On the Inorganic Constituents of Plants, 



:ilage, Resin, Fatty r 



No. 14. Manured with putrid Urine at the rate of 800 gallons 

 per acre. The produce was, large tubers 5 lbs. 6 oz., small tubers 

 3 oz., total 5 lbs. 9 oz. The dry haulm weighed 1324 grains. 

 The tubers and haulm contained 



Fresh Tubers 7842 2044 114 



Dry Tubers 9470 530 



Dry Haulm 8943 1057 



No. 15. Manured with putrid Urine, fixed with Sulphate of 

 Iron, at the rate of 800 gallons per acre. The produce was, large 

 tubers 8 lbs. 3 oz., small tubers 2 lbs. 2 oz., total 10 lbs. 5 oz. The 

 dry haulm weighed 1995 grains. The tubers and haulm con- 

 tained 



Tubers and Haulm. Tubers. 



Starchy fibre . . .572 



Mucilage, Resin, Fatty matter, &c. .411 

 Water . . . 7630—10000 



No. 16. Manured with Daniell's Bristol Manure (the old sort) at 

 the rate of 20 bushels per acre. The produce was, large tubers 

 9 lbs. 15 oz., small tubers 1 lb., total 10 lbs. 15 oz. The dry haulm 

 weighed 2619 grains. The tubers and haulm contained 



Mucilage, Resin, Fatty matter, &c. 



No. 17. Manured with Daniell's Bristol Manure (new sort) at 

 the rate of 20 bushels per acre. The produce was, large tubers 

 11 lbs. 2 oz., small tubers 7 oz., total 11 lbs. 9 oz. The dry haulm 

 weighed 2515 grains. The tubers and haulm contained 



