OAK 
likewife pays a fair rent, Ay at me. 
upon which were 14 acres of a -land ; there are 400 oak- 
trees upon it, that in 30 years, from the time of the pur- 
chafe, fell for as much as the eftate coft him, 1ooo/, 
Thinning of.—It may be noticed, that one of the moft 
‘elfential pine to be obferved in the cae an of oak- 
woods is the judicious thinning of them hen they are 
thinned fo as to be about two feet diftant, they may ftand 
left for underwood 
ees where ans had been cut off. 
cafe where they are advanced in peer but in their infant 
ftate it is aaerae! allowed, that they aa sa 
arfhall contends, that to 
eepett ‘ae in 
provident treatment avoided ; 
the fap becoming cared found, and of equal itrength 
and durability. at nothing, it is fuppofed, but pre- 
judice of the 7s ao kind, can reject a practice 
founded on the moft obvious principles of nature and reafon. 
The miichief done to hedge-row trees by injudicious lopping 
too generally obfervable, has arifen from the practice of 
taking large boughs from the ftems of aged trees ; not from 
training. young trees dae the early ages of their growth, 
sae ee always be done. See Woo 
Bark, the cortical fubltance ftripped from the boll 
and bench of the oak-tree. It is ufed in tanning of 
leather, and afterwards as a manure, and has ‘aes become 
a very expenfive article. See BARK and Tan 
VoL. XXV. 
OAK 
{carcely cracked. The bar wih is cut in as is pre- 
ferable to that cut in winter, as it contains four times the 
quantity of the aftringent principle or a ee 
yields its virtues to both alcohol an nd w er, 
Ona, and cannot 
be es ed on. Tei is ufeful, however, in enna diarrhoea 
and alvine hemorrhagies ; and it is ftrongly recommended in 
the malignant coryza ({nuffles) of infants, when in fpite of 
keeping the bowels regular, and the ufe of cordials, the 
child hecomes 9 weak and pallid. 
u 
an injection in paffive uterine hemorrhagies, in leucorrhcea, 
and the gleety difcharge which often remains after mif- 
It is alfo an ufeful wath in piles and procidentia 
Thomfon’s Difpenfatory. 
Thefe are of feveral kinds; the remark. 
on any 
other is ented fubftance (ae sag hl and befide hie 
there are a great number of o in 
The double ‘all of thefe fevers is ae fingular, | oe 
ari Sear | of produdions of ae kind affeé&t only 
a leaf or branch, and grow way $ “ioe 
mtly irregular 
fhapes, but their natural figure feems that of two cones, 
with broad bafes, and atl cae points, cioiah fometimes 
they are round, or very ne 
hefe make their firft pa leone on the leaf in April, 
and remain on it till June or longer. They are.at firft greeny 
but afterwards yellowifh, and are fofter to the touch than 
many other of the productions of this kind; they are uiually 
about the fize of a large pea, but fometimes they grow to 
the bignefs of a nut. When opened, they are found to be 
of that kind which are inhabited iach by one infe& only, 
and each contain one cavity. The cavity in this is, how- 
ever, larger than in any other gall of the-fize, or even in 
many others of three times the fize; the fides of it being 
very little thicker than the {ubftance of the leaf. 
It is not eafy to afcertain the origin of the feveral died 
of flies, which are, at times, feen in this manner to come 
out of the fame {p ecies of galls, It feem fies comien 
courfe of nature, shat only one {pecies of infett forms one 
Ll kind 
