^o dmi arringed 700 > Yy 
Bas never Been rangbti in any. of our Colleges and to the difficulties 
that are füppofed to attend it; but principally to’ the miftakeà 
&pitión ofits inutility i esinin hfe "This opinion being 
generally prevalent, it may be: neceffary to obferve, that; tho” all 
the medical tes gears and economical ufés of plants are ‘not 
difcoverable from thefe characters by which: they are fyftémati- 
cally arranged yet the celebrated. Linnéens has found, that the 
virtues of plants may be, in a confiderable degree, arid moft ffe- 
ly, determined. by. their xatural characters :-for plants of the 
fame? #atural clafs aré in fome meafure fimilar ; thofe of the 
fame zatural order hiwe a. ftill nearer affinity; and thofe of the 
fümé genus have very íeldom.been fous sb difier i in rss me- 
dical. aiey Borgia hi^ ^ to the fexual yhen, nts of 
the fecc the third clafsa efi, addi fid 
for fnen; Watts or birds; hand no one fpecies ' of all thofe nume- 
fous genera:have been found to be poifonous. The ftarry plants 
of the firft order in the fourth clefs are" chiefly. diuretic. 
The rough-leaved | plants of the fifth clafs and. frit. ordet are 
mucilaginous; but thofeof a difagreeable tafte and mell, moft- 
ly berry-bearing plants, are more or lefs corrofive Doni ai amid f 
otüs. The umbelliferous.. plants, rowing: in dry pl ces, are 
aromatic and ftimoulative, but in wet ground, often poifónou 
Plants of the fixth.clafs have roots, according to their firiel or 
tafte, either efculent or poifonous. The plants with horned 
anther of the eighth and tenth claffes are aftringent, and their 
berries acid’ and efculent. ^ All the: pulpy fruit of the twelfth 
“ela may. be eate with ite Plants of. the thifteenth clafs 
we chi ik isc. Dut thofe of the firft: i orderin the four- 
‘teenth’ dió. -odoriferoüs, cephalic dnd refolvent ; and none of 
them are poifonous.” Nor is there any poifonous plant belong- 
as jng 
