Method. 327 
NET, Sherard, and Petiver, will ever 
remain illuftrious in the annals of botanic 
knowledge. 
It alfo turned the attention of the learned 
on the continent to the fubjeit. Rival fyf- 
tems were foon conftrufted ; fome on the 
fruity as the balls of the claffes, in confor- 
mity to the fyftems of C-^salpinus, Ray, 
and Mori SON ; and others, on the Jiower. 
Thus, Chrijlopher Knaut, in 1687, and 
Herman, in 1690, fixed on the fruit-, 
whofe fyftems were improved by Boer- 
HAAVE, in 1710. 
RiviNUS, in 1690, chofe the flower 
alone ; confidering the number and regula^ 
7ity of the petals, as the bafe of his claffical 
charafters ; and was followed by Ruppius 
in I7i8,and Ludwig in 1737. Tourne- 
FORT, who elaborated his method beyond 
his predeceffors, in 1694, chofe the figure 
of the corolla, as the principle of claj/ifica" 
tion ; and Magnol, in 1720, took the ca- 
lyx alone. 
If it fhould be enquired on this occafion, 
in what the methods of C^salpinus, 
Ray, and Mori son, differ from the ar- 
Y 4 rangements 
