32 An IntroduEiion to 



the body of the leaf, and detached from thofe 



on the top, as in the Fiddle Docky fee 



fig. 12. 



A double winged leaf [duplicato-pinnatum) 

 or {^pinnalQ'pmnatu7}i) is a leaf compofed of 

 leaves, which were compofed before of wings, 

 as the Melia, or common Bead Tree^ fee fig. 13, 



A decompofite \t2ii [decompofita) is that whofe 

 common footftalk divides twice before it is 

 garnllhed with leaves^ as in fig. 23, and 24, 

 this is alfo called a double winged leaf, as the 

 Rue {duplicatO'pin?iatU7?i). 



A fupradecompofite leaf is one whofe com- 

 mon footftalk divides feveral times before it is 

 garnifhed with fmall leaves, as in the Achillea^ 

 fee fig. 19, and 22. 



A double trifoliate leaf {dupJicato-ternahifn) 

 is one which is compofed of two orders of 

 trefoil leaves ; and when the common footftalk 

 is divided into three, each fuftaining three 

 leaves, it is called a triplicate trefoil leaf 

 {tripUcatQ-ternatum)^ as the Bart'en'wort^ fee 

 fig. 15. 



Of the determination of leaves. 



The determination of leaves confifts in this 



-difference, "oiz, that a leaf is diftinguiflied with- 



put any regard to its ftrufture o;: form \ this 



7 is 



