20 An IntroduEJion to 



An heart arrow-pointed leaf {Cordato-hajla-^ 

 inni) is like the former, but the borders are 

 convex, as in the Arum, fee fig. 14. 



A pike or javelin-ihaped leaf [hajlafum) is a 

 triangular leaf whofe fides and bafe are in- 

 dented, and the angles are expanded like the 

 point of an halberd, as the Sheeps Sorrel^ fee 



A bifid leaf {hijidiini) is a leaf divided at the 

 top in two parts, whofe inferior borders within 

 the divifion are ftrait, as the B-anhinia^ fee 

 fig. 16. 



There are fome leaves which are divided 

 into three parts {trifidurn) as the Riie-leavd 

 Whitkw-gJ'afs 'y others into four [quadrifiduni) 

 as the Lejfer Mallow ; fome into five {jiuinque^ 

 fidum) as the Althaa Vulgaris ; and others into 

 many [tjmltifiduni) as the five-leav'd Ladies^ 

 Mantle, From the number of thefe divifions, 

 they are eafily known. 



A trilobate or three-lobed leaf {trilohum) 

 is one that is divided into three lobes to the 

 middle, which are feparated from each other, 

 and their borders rounded, as the Trefoil and 

 Wood Sorrel^ fee fig, 17. 



When the leaves are divided into two lobes 

 (bilobiirri) or four {quadrilobufn) or five [guin^ 

 qiidobum)y as in fome of the Mallows ^ fo from 



the. 



