66 



THE LEAVES. 



[CHAP. 



obcordate ....~ 



obovate ........ 



cblanceolate. , 

 sfa.thula.te ..\ 



FIG. 44. 



FIG. 45. 



FIGS. 44 and 45. Outlines of simple leaves. 



the form of some leaves may be as correctly described 

 by one term as by another ; and again, some leaves 

 vary so much on the same branch that they may be 

 found to match two, three, or more of the outline 

 figures. In describing such leaves you must use the 

 terms which denote the usual extremes of variation, as 

 " leaves varying from lanceolate to ovate," or from 

 " oblong to elliptical," &c. The terms may also be 

 combined when needful, as oval-oblong, linear-lanceolate. 

 9. Simple divided leaves. We may class these under 

 two series viz. (i), those in which the segments radiate 

 from the extremity of a petiole, as in Buttercup, and (2), 

 those in which they are given off successively from a 

 midrib, as in Dandelion. The former are of the palma- 



