the Science of Botany. 25 



A briftly leaf [aculeatum) is one wliofe fur- 

 face has many cartilaginous briilles which ea- 

 fily feparate from the leaf, as in fonae Rofes, 



A prickly leaf ffpifiofum) has its dlfk or 

 border armed with cartilaginous thorns which 

 adhere clofely to the leaf, and cannot be fepa- 

 rated without injury to the leaf, as the Blacks 

 berry, 



A warted leaf [papillofiim) is one whofe fur- 

 face is garnifhed with fmall protuberances or 

 veficles> as in the Mefembryantbemum CrijlaUi^ 

 72um, fee fig. 54. 



A polifhed leaf {nitidiim) is one whofe fur-r 

 face is fmooth, and fhining as if polifiied, as 

 the Chryfophyllum, 



A plaited leaf [plicatum) is one that is plait- 

 ed from the bafe by a fort of nerve which 

 extends to the border, one being raifed, and 

 another depreffed alternately, fo as that the 

 diflc appears in angles, as the White HeU 

 lebore^ fee fig. 37. 



A waved leaf {imdulatum) is that whofe 

 outer part of the difk becomes extended be- 

 yond a circle of the fame diameter, in fuch 

 a manner that the borders rife and fall like 

 waves, as in the fringed Hartjiongue^ . {fc 

 fig. 46. 



