notwithftanding Ihave twice, and at two diftind: times, 
endeavoured it. This I obferve, that the Chryftalline 
hamorwas not fine, and deer, but yellowifli, whereby it 
differed from the Eyes, which I had formerly feenof 
other Animals. 
1 have read the Book of Dr. W^.Ten I{hine, out of 
which I cannot but note, that the faid Dr. agrees with 
my Obfervations concerning Moxa, written the 14th 
of May 1^77. namely thsiZMoxais no artificial prepa- 
ration of the Ghoiceft Herbs , made by the Chineles and 
Japoniers, as H. Bujhof affirms, in his Book oiMaxa, pag 
* Saying, none of all the Druggifts ot Europe, have 
'any knowledg of the manner of preparing this Moat^ ; 
* andby thofeof China, this Art isoffuch efteem, that 
* they will not for any money, difcover it to a Stranger. 
But my opinion is, that Max a is only a production of a 
fruit, like the downy fubftance about the Peach, the 
Quince, and fuch like ."^ and Dr. Ten T^^&me holds, that it 
is a Wooll, of fome leaf. I related alfo, in my fore- 
mentiond letter, that I had made tryall of the burning 
of the Moxa, on my hand j what difference there was be- 
tween that and Cotton , what may be the reafonswhy 
the Chirurgeons efteem Cotton fiery and churliQi, why 
ithurtsa wound, when a band is aiiade therewith, vt:^. 
becaufe the hairs are flat , and have iharp edges or 
fides. • ' 
I have tryed many other Woolly fubftances, which 
grow on fome leaves and fruits , in what manner they 
burn, and chiefly the Woolly fubftance which the Po- 
plar Tree ftieddeth ; which Wooll, I had a conceit, when 
I had viewed it with my naked Eye, that it would bum 
x^iiick : I had alfo the fame Opinion, of the Woolly lub - 
ftance fhed by the Willow Tree,in the beginning of June j 
which laft, in the tryall excelled that of the Poplar Tree. 
ButI haveyct met with no Woolly fubftance,growing with 
^ us, which burneth fo well as Cotton 5 and thofe, who with 
u$^ 
