45« 



PRO DUCTI ON 



Secv.XVI. 5. I. 



ped that confiderable advantages would be found to 



fe from th 



fe of new or regenerated varieties of wheat, and thefe are eafily ob- 



orts in varieties, whenever different 



cd, as th 



kinds are fown togeth 



dily 



See Sea. VII. 2. 6. of this work 



2. The white and blue peas fown in fields as well as in ^rardens 

 fometin:ies poffefs the property of becoming foft by boiling, at other 

 times not. This circumllance is faid to depend on the nature of the 



foil, b 



h 



IS not yet been fufficiently invefligated; perhaps the 

 greater or lefs maturity of the peas at the time of reaping them may 

 have more or lefs contributed to fill their fibrous cells or divifions with 

 mucilage or ftarch. The greater or lefs mealinefs produced by boil- 

 ing potatoes feems to be an analogous circumflance^ and is thought 

 by fome to arife from the nature of the foil rather than from the fpe- 



lety of the planted 



« 



The mealinefs of fome boiled potatoes, and the foftnefs of fome 

 boiled peas, may occafionally be affefted by the acidity of the fprinc. 



water 



hich they are boiled 



but 



IS 



g to the mucilage of fome of 



v^ 



rally I fuppofe ow 



by heat, than that of oth 



them being more or lefs coagulab! 



Something fimilar to which obta 



anima 



hard and opake by boil 



yftalline humour of the eyes of fifli become 



to 



hile the fkins of animals, and th 



dons of their feet, become a foft mucus or jelly by boiling ; and fome 

 f the liquids, which are found in the cells or cavities of the body 



\ 



dropfi 

 more fluid 



obferved to 



by heat, and others to becom 



The caufes of this difference merits further inquiry. 

 Y^i.TocoIkagoodfeeds^^ccovdimg to the obfervations ofMr.Coop 



of Philadelph 



aces, as is 



m 



not in 



P 



o 



new feeds from diftant 



ally fuppofed, but in feleding the beft feeds and 

 of his own ; which though he has continually fown or planted 



them in the fame fo 



every article of his produce is greatly fup 



to thofe of any other perfon, who fupplies the market, and they feem 

 ftill in a ftate of improvement. He believed that no kind of inceff 



would 



* 



