<P WVERIG EACLE S SYST EM. 
come the fame with the male Plant entirely ; on the contrary, that fuch of the Mulifh 
Plants, as are produced from a male Plant of one Genus, and a female of another truly 
diftin&t, never produce Seeds that will vegetate, however fair they may look, and that 
by thefe means, when the individuals fo produced perifh, the new Plant is for that 
time loft. 
Upon thefe principles, uncertain as they may be, I fhall endeavour to bring the pre- 
fent fubject to a trial. Its own Seeds are carefully fown in a place diftiné and diftant 
from that where it now grows; and in an experiment-bed deftined for fuch purpofes, 
the Flat Eryngo, and more than one Scabious, are placed in pairs clofe together, as if 
erowing from one Root; to affift, if there be any fuch, the mixt impregnation. 
Ir in this place, Plants of this kind arife, I thall judge it certain that it is Mulith, 
and rifes from this accidental mixture ; if its Seeds fown in diftant ground produce it, 
and none rife from the purpofely aflociated Plants, I own I fhall begin to judge it a 
 fpecies from the creation, a Plant before unknown. In that cafe, it will deferve the | 
place it holds here ; and the rank of a new Genus mutt belong to it: but I exceedingly 
doubt it; for the Cup, though fo diftant from Scabious, feems true Eryngo ; and the 
| harp’d end of the radical Leaf, together with its hollow Footftalk, feem equally the - 
Flat Eryngo ; though its Flowers are plain and abfolute Scabious ; and the wingy Seg~- 
ments of that very Leaf, feem alfo to belong toa Plant of that kind. | 
AGGREGATES, 
