SECT. I. THE FLOWER. Q3 



crimination, and demonstrated their sufficiency in 

 all cases whatever ; and hence the peculiarities of 

 the calyx, when present, are often of eminent use 

 in the determination of genera. 



SUBSECTION II. 



The Corolla. The corolla is the interior en-Defini- 

 velope of the flower, investing the central parts, 

 but invested by the calyx. It is generally of a 

 finer and much more delicate texture than the 

 calyx, and is of all the parts of the fructification 

 the most showy and ornamental, being always, 

 or with but few exceptions, that which is the 

 most highly coloured, and hence vulgarly re- 

 garded as alone constituting the flower, as well 

 as that from which the flower imparts its rich 

 and fragrant perfume, delighting at the same time 

 both the sight and smell. To this most ele- 

 gant part of the fructification the term corolla has 

 been very happily applied by Linnaeus, signifying 

 as it does in the original, a crown or chaplet of 

 flowers. 



If in the composition of the flower, an indivi- 

 dual calyx invests an' individual corolla, as in the 

 Cowslip or Convolvulus, the flower is said to be 

 simple. But if an individual calyx invests an as- 

 semblage of individual corollas, as in the Daisy 

 and Dandelion, the flower is then said to be com* 



