30 AN INTRODUCTION 
Convolvulus ; Revolute, rolled back, as in Aj- 
paragus and Medeola; or Tort, twt/ted, as in 
Nerium, Ajclepias, and Vinca: Its more con- 
fiderable Variations, in refpe& to Figure, 
have been already fhewn in Chap. 3. 
In refpe& to Equality, it is either equal, 
as in Primula ; unequa/, as in Butomus ; re- 
gular, asin Aguilegia ; or trregular, as in 
Aconitum and Lamium. 
Tn refpe& to its Margin, it is either Cre- 
nate, notched, asin Liaum; Serrate, fawed, 
asin Tilia and Ahfma; Ciliate, Sringed, as 
in Ruta, Menyanthes, and Tropzolum ; Denti- 
culate between the Segments, that is, hav- 
ing a Denticulus, or little Fag, at the Bottom 
of the Divifions, asin Samolus and Sideroxy- 
lum; or with a hairy Surface, asin Meny- 
anthes, and Lafanthus a Species of Hyperi- 
cum. 
In refpe& to PROPORTION it may be 
very Jong, as in Catefhea, Siphonanthus, 
Brunsfelfa and Craniolaria; or very fhort, 
as in Sagina, Centunculus and Ribes. 
In refpect to SITUATION, the Bafe of 
the Corolla is ufually clofe to the Perian- 
thium, if there be one: It is indeed fepa- 
rated from it by the Germen, in Adoxa, 
Sanguiforba and Mirabilis; but thefe In- 
ftances are very rare. 
In 
