^JX 



4. 



rlv 



3. 



• ''^ w 



^tlt 



oiice 



a 



When fi^ 



loofencd, 

 ^^e plants 



ind to 



pre 



th duns. 



•m its fird 

 .alk ihould 

 before It is 



» knobs or 

 purpofe of 

 ned, they 



ted; like 

 Sedion 



in 



iment for 



ley 



fhoul'i 



ai 



id cha- 



t5, 



ca 



are 



. only 

 Id be c"'- 



in 



ra6t 



dee'l 



I 



Sect. XIX. 5. r 



OF FLOWERS. 



549 



V 



pra(£tifed in refpe6: to rofes and chamomi 



many acres of th 



of which 



ated near Chefterfield in Derbyfli 



jn thofe cr 



d 



ops 



de 



What might be th 



fold, I am informed, to mix with hops, when 



ficient, as well as for the purpofes of medicine. 



effed of endeavouring to introduce a duplicature or multiplication of 



the flowers of artichoke, fea-cale, cauliflower, and brocoli, has not, 



I believe, been experienced. 



V. Flowers ufed In the Arts, 



The beautiful membrane, which covers the feeds of euonymus 



fpindle 



d of the bixa of South America 



faid to be ma 



fadured into the anotta, or arnotta, ufed in colouring cheefe 



1 am told that madder 



ade from the root of rubia tin6loria 



but 

 fold 



frequently in its llead, and may be readily grown by farmers in th 

 ovvn gardens. Few flowers are ufed in the art of dying, their c 



lours are fo fu 



o 



as they readily bleach wh 



pofed to th 



a 



ht 



d cannot be kep 



th 



rbariums of botanifls 



without lofins: their colours ; which is believed to be owing to th 



o 



oxygen of the atmofphere being feparated from the aerial water by 



the fun's li2;htj and converted into a gas combined only with h 



& 



ht 



d 



th 



ftat 



more 



dily uniting with the colouring 



matter of flowers, and producing a new acid, which 



fp 



colon rlefs 



or rains. 



h 



or is difTolved 



d 



fhed away by the dew 



The blue colour of the flowers of violets has been extracted by 

 water, and preferved by the addition of fugar converting it into fy- 

 rup for the purpofes of medicine in part, but chiefly for thofe of 

 chemiftry, to {hew the change of vegetable blues into greens by an 

 admixture of fixed alkali, as fait of tartar or potafli ; and into red 



7 



by 



