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INTRODUCTION. 



mating the comparative value and merits of the different grasses and otli 



hereafter be recommended to the notice of the Agriculturist." ' °' ^ ^""^ ''''^^ 



A knowledge of the quantity of soluble or nutritive matter afforded bv diff 

 the number and proportion of the nutntive vegetable principles formed by them" wm 7^ "' 

 hkew.e to throw light on the cause of the exhausting or impoverishino- effects of'd^ 

 to the soil ; a point of much importance, as connected with L theo;^:?; ^^^^^^^^^^^^ '''^'' 

 croppmg wrth green crops and grain. The facts which have offered the T '" 



this, will be stated hereafter, when the merits of the gra J and a^ "^ " ^^^P^^* ^' 



to the alternate husbandry, come under discussion. ^'""^"^^ P^^^'^ ^^^P^^^ 



It was before remarked, that the little attention that has been naid b. A • , • 

 neral, to distmguish with certainty the different species of gr^If m Z^fTT " '^■ 



buted to retard improvement in the cultivation of this numeC f I T ' " "^*' 



1 ^ , ^ iiuto iiumeioiis rami y of Dlants T+ ^^Au t 



hope. .,ppc„ perfeCy „-Kle„,, ,1.. ,vi.ho„. the „,e,™ of <litf„s„i3hLg wI.TLJ Z ' 



«per,ence, before he can male a„y certain, or ;„„ cxnerieicnh ef I ' , "'' 



improvement ■ •'"'■""'I"" "■'"'» »f h» own. and consequent 



. When i, is f„„„d that eery distinct species of grass difl'ers from all others „„,• , ■ 

 the properties or merits which alone eonstrtnte their valnc to the A 7 °' ' '" 



-on of all the dt.erent species and varieties, may'j; srie!: t^:::" ^^L ^rr 



^ . .he .. science of .otany, hy any i:^ 3:l:!r ^Z ^ ^T 

 It cannot fa, tj^ tt 71^7^'' T '''' '"'' T' "•'"'^' ""= ^^ ^'-""'• 



give an explanation of the te ms mad 'o ^7 T'""' T '""'' °' "" "P'™'""' *° 



view of .11 the different sneeie. ,„ ! '" ''"""""« ""= ""•"""" "^ P^-' ™'' » S™"" 



view of all the different species and varieties. 



ohvlon, are. L roo ^^ ,t '*'™' """^ »' "^ "™'"- «' *- P»*. «'- -' 

 flower or husks (F,^S^', TT' '""" " ™'°'' ^''"'"*"-''- "" ''''™^- (^""J^ *e 

 different specie ■ ht I 7\ "l "'=''■ '■~«^- ^« ««"" "' '!-» P™ vary in 



it may J ^i::^^:^ "~- -' ^^ "-^ -• » "a^. V wLh 



"asonlngs must needs be very conlld or " Tf T ' " "" '"""■ "' °" 



our words. "nlused, or even absurd, wrthout precise ideas being fixed to 



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