Ill. BOTANICAL APHORISMS. 
§ 145. | 
‘Tu true knowledge of Plants consists in the art of 
arranging, distinguishing, and naming them; and 
this art depends’ on the establishment of fixed rules, 
drawn from nature herself. The art of arranging 
plants is called’ System or Classification, of which 
we have treated in the preceding chapter; but that 
of distinguishing them must be further elueidated. 
For this purpose we must have an accurate knows 
ledge of the Terminology, that we may be able to 
apply it properly, and to employ the rules which 
have beer framed from a consideration of the struc 
ture of plants. This knowledge is to be acquired 
by an’ accurate investigation of flowers and a fres 
quent inspection of plarits generally considered, 
Method, (methodus), or the knowledge of plants 
from a consideration of the flower and’ its internal 
structure, is the proper business of a) botanist’; 
but the knowledge of the external figure}: (habitus), 
amiust on no account neglect. 
‘ § 146, 
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