COLLECTION OF CLOVERS. 



223 



4. The proportion of elements of respiration, or heat- 

 producing principles, among which are included starch, 

 gum, sugar, pectic acid, <fec. ; all the non-nitrogenous 

 substances, indeed, except fatty matters and woody 

 fibre. 



5. The proportion of woody fibre. 



6. The amount of mineral matter or ash. 



TABLE V. ARTIFICIAL GRASSES. NAME, AND DATE 

 OF COLLECTION. 



The specimens were picked out, plant by plant, each 

 specimen by itself, from fields in which they were grow- 

 ing naturally, or mixed in the ordinary mode of cultiva- 

 tion, and were not raised expressly for analysis. 



These tables of analyses, containing, as they do, the 

 results of profound investigation, and forming, as they 

 do, one of the most important contributions recently 

 made to the science of agriculture, are worthy of care- 

 ful study, and will be found to be full of the most 

 valuable practical suggestions. 



The results of the analysis of the natural grasses 

 in the green state, as taken from the field, are arranged 

 in Table VI., as follows : 



