486 CONSERVATIVE ORGANS. [LECT. IX. 



resembles the Greek A, one of the angles forming 

 the apex of the leaf: and diamond-shaped (rhom- 

 boideum), u., when the lines describing the edges 

 of the leaf, instead of being curved, form obtuse 

 angles pointing outwards on each side. A leaf 

 is fiddle-shaped (pandurceforme) , v., when it is 

 oblong and has a curvilinear indentation in both 

 its sides : and lyre-shaped (lyratum), *, when there 



is one large circular or elliptical lobe towards the 

 apex, and several small lateral lobes towards the 

 base. It is termed lobed (lobatum), when it is 

 deeply divided into rounded segments ; and is, 

 therefore, said to be two-lobed (bilobum), w. ; 

 three-lobed (trilobum), x. ; four-lobed (quadrilo- 



bum), &e. according to the number of the lobes, 



