THE FIRST PART. 
v 
to their Peduncles. Seven different kinds of InfTorefcence. 
44, One-ranked and two-ranked Spike explained. 45, Dif- 
tin&ion betwixt a Corymbe and Umbel. Thyrfe and Raceme 
explained. 46, Wherein the Raceme and Corymbe differ. 
Panicle explained. Modes of Flowering not comprifed under 
the term Inflorefcence, 47, Linneus's definition of the term 
Rachis. 48, Method of imprefting what is taught, upon the 
memory. The art of making learning agreeable ; the more 
deeply the ftudy of Botany is entered into, the more pleafing 
it will be found. 
LECTURE III, 
The firft Eighteen Claffes wukk their Orders explained. 
Page 51, Explanation of the term Clafs: may be compared 
to a Dictionary. Characferiftic mark of a Clafs arbitrary. 
On the number and lituation of the Stamens the Claffes of 
Linneus are founded; 52, what conftitutes a natural Clafs ; 
moft of the Claffes of the Linnean fyftem artificial ; their be- 
ing fo of little confequence ; the great advantages of his fyftem. 
Labours of many ingenious Botanifts of little ufe from want 
of arrangement. 53, Much ufeful knowledge of the ancients 
loft to the world from their ignorance of the fcience of Bo- 
tany. Dr. Grew's book very informing. His opinion of the 
ufe of the parts of Fructification agrees with that of Linneus* 
Linneus's works beft calculated to teach the fcience of Botany. 
54, Linneus divided the vegetable kingdom into twenty-four 
Claffes Character of the firft: ten Clafles. Names of the Nu- 
merical Claffes taken from the number of Stamens or Males. 
55, Ufeful to be acquainted with the fcientific terms of 
Botany. The tranflated Syftem of Vegetables found difficult 
from not being properly ftudied. 56] Ten firft Claffes diftin- 
guiflied by their number only. Eleven Stamens not found 
a 3 fufficiently 
