GRU 
rous, the mifchief they occafion is certainly very great : for- 
ry year 
in the 
GRU 
GRUBBIA, in Botany, fo named by Bergius, Pl.Cap. 99; 
& 
5 
in compliment to his friend Michael Grubb, a director of 
the Swedith Eait India company, and 
leétion of Cape plants. Juffieu confiders it as very nearly, 
if not entirely, the fame genus with Lmpetrum. However 
that maybe, it is certainly the very fame plant as the Ophira 
remedy for the evil; of that, however, he confeffes himfelf frida of Linnzus, to which we refer the reader. 
along with their ferving as a nurfery for grubs, and 
other kinds of vermin, are a 
from the numerous weeds yearly produced upon them, the 
feeds of which are wafted into the adjoining fields by the 
winds, and, in {pite of fallowing, and every other attention 
that can be pa:d, furnifh a froth ftock annually, by which 
the foil is conftantly kept im a dirty 
and expence incurr t might, 
attention, be ayoiled.”’ 
Notwithftanding thefe judicious obfervations, there ftill 
remains much to be done, in order to perfect our knowledg 
of the nature and modes of deftroying thefe very deftrudtive 
and mifchievous grubs. - 
GRUB, in Rural Economy, a term fignifying to dig up 
roots, as in the cafe of trees, &c 
t 
Grus of the box, or 
ftate, and much fabour 
with a {mall degree of 
. 
the puceron of the elder and other trees, but differing from 
that animal in fome effential characters, and more pro- 
perly of the fame genus with the fig-infeét or falfe puceron. 
Reaumur’s Hitt. Inf. vol. vi. p. 100. See Fic-in/ed. 
Thefe infeéts change their tkin feveral times, in the man- 
a pect 
hopped in the manner of graishoppers, but only a little way 
at atime, and he was able to difcover the parts peculiar to 
felling trees by means of grubbing them up by 
ghe roots. : F “ é oe r , ie ig, et at Seek 
GRUBBING, in Agriculture, the work of extirpating 
rections. 
GRUBE, Herman, in Biography, was born at Lubec, 
his father exercifed the trade of a fhoe- 
member of the Aca- ~ 
demy of Stockholm, who furnifhed him with his whole col« 
maker. He qualified himfelf to attend fome young gentle. — 
men in the 
merit, conferred of M. D. upon him gratuit- 
oufly. After this honourable advancement he fettled ia 
Denmark, where he died in February, 1698. He left the 
following works : 1.  Analyfis mali citrei_ compendiofa,”” 
Copenhagen, 1668.—2. “ Commentari 
cium Medicamentorum Facultates cognofcendi,” 1669. 
. “De arcanis Medicorum non arcanis commentatio,”’ 
1673.—4. “ De tranfplantatione Morborum analyfis nova,” 
Amk. 1674.—5. “ De i€tu Tatantule, et vi Mufices in 
ejus curatione,’” Frankfort, 1679. Eloy. Did. 
Grung, in Geography, a town of the duchy of Holfteing 
12 miles f Cifmar. . 
GRUBEN, a town of Silefia, in the principality of 
Neiffe; 8 miles S. E. of Grockau. 
GRUBENHAGEN, a town and caftle of Weftphalia, 
ted on a mountain in a principality of the fame name 5 
6 miles N. W. of Nordheim: 
GRUBENHAGEN, a principality of Weftphalia, ee 
if 
belonging to the electorate 
fertile land, but for the moft part mountainous a woody. 
The inhabitants -raife a great number of horned cattle and 
fheep, cultivate flax, and og opal manufacturess 
confifts in wood ; the forefts, par- 
of Hanover, containing fome 
but their principal wealth 
ticularly that of Hartz, abounding in oak, beech, firs 
elms, &c. Here are-alfo quarries of flate, limeftone, marbles 
alabatter, and 1 
arius de modo fimpli- 
‘ 
various forts of jafper; falt-fprings,. at 
