274 The Colours Lea. V. 
6. $. Lfay therefore, that in Blews, Purples and efpecially Reds, 
the predominant Principles being Sulphur and Acid, the Oyl either ab- 
ftradts the Sulphur of it felf, orat leaft, unlocks it from the Acid Parts 5 
whereby both of them are beftowed feperately to. their like parts in 
the Oy/5 upon which their difanion the Colour vanifhes: that de- 
pending, not upon either of them alone, which of themfelves are Co- 
Jourlefs, but upon both united together. 
7. $. Onthe contrary, a Green Colour not depending on a pre- 
dominant Acid, but an Alkaly, or fome Saline Principle different from an 
Acid; this will not fo ealiely be imbibed {eparately,into the Pores of the 
Oyl, but only by mediation of their Sulphur. So that being both imbi- 
bed without any difunion, they (till retein the fame green Colour they 
had before in the Plant. 
8. §. Hence alf it is, that red Rofes being dryed and infufed fome 
time in Oyl of Anife Seeds, a more potent Menfiruum than Common Oyl; 
they wholly lofe their own Colour, and turn white; the Oyl remain- 
ing Limpid, as at the firft. That isthe Sulphur or that part of it on 
which cheifly the Red depended, is abforbed feparately by theOy/, and 
fo the Colour vanifhes. 
9. $. A SECOND Menfiruum I made ufe of, was Water. And Firft, 
Alkanet Root, which immediately tin&ures Oy! with a deeper Red, 
will not colour Water inthe lea 
10. $. Next itis obfervable, That Water will take all the Colours 
of Plants in Infulton except a Green, So that as no Plant will by In- 
fufion give a perfect Blew to Oyls fo their is none, that I know of, 
which, by Infufion will give a perfe& Green to Water. 
11. $. But although the Green Leaos will not give their vifible 
Colour, by Infufion in, Water 5 yet they will give moft other Colours, as 
well as the Flowers themfelves: So. the Green Leavs Of Cimquefoyl, 
give a Tinéfure no,higher than:to refemble Rhenifh Wine 3 thofe of 
Holop, Canary s of Strawberres, ‘Malaga; of Mint, Mufeadines of 
Wood-Sorrel, Water and fome drops ‘of Clarets ‘of Blood-wort, Water 
and a dafh of Claret 5 and thofe of Bawm make a Tinéfure near as red 
as ordinary Claret alone. All Aromatick hor Plants, give a yellow-red 
Tinéture, Or colorem ex Inteo'rubrum. All Plants with a yellow Flower 
give either a pale citrime or yellowifb Tinöfure 3 and the like. Yet all 
give not their Tix@ure in the. fame {pace of time; fome requiring a 
fortnight, others a week, others five, three or two days, and fome 
but one, or halfa day. From hence it appears, that the Colours of 
molt Flowers are begun in the Leavss only Green being therein the 
predominant Colour, asa veil {pred over them, conceils all the reft. 
But pafling on into the Flower, where the Aer-Vefels, as is aforefaid, 
are under the dominion of the Lympheduöss they thew themfelves 
diftindly. 
12. $. A THIRD and the laft Menfiruum made ule of, was Spirit 
of Wine. And here it is to be remarqued; That as Oy! rarely takes a 
Red, there being but one known Inftance of its nor Water, a Green: 
So neither Spirit of Wine, a Blew. . I have tryed with feveral blew 
Flowers, as of Larkcheel, Violet, Mallows, “Burrage, and others, wheres 
of it will not take the leaft TinGure, 
13. $- Again though no Blew Flowers, that I know of, will givea 
Blew Tinölure to Spirit of Wine; yet having been for fome days iufufed 
in 
