FORMS OP LEAVES. 133 



scarcely to be found. Some species ol 

 Fipei' approach it, and the k^af of 

 Ilcdysarum sfi/racifoiium is perfectly 

 orbicular, except a notch at the base. 



Subvotundum, /'. 39, roundish, as Pi/rola, 

 Engl.Bott. 146, 158 and 213, and 

 many other plants. 



Ovatum,f\ 40, ovate, of the shape of an egg 

 cut lengthwise, the base being rounded 

 and broader than the extremity, a very 

 common form of leaves, as Urtica pila- 

 lifera, t, 148, and Vinca major, /. 514. 



Ohovaium^ f. 41, obovate, of the same 

 figure with the broader end uppermost, 

 as those of the Primrose, t. 4, and the 

 Daisy, t, 424. Linnaeus at first used 

 the words obverse ovatum. 



Ellipticum,/. 42, or ovale, elliptical or oval, 

 of a snnilar form to the foregoing, but of 

 equal breadth at each end, as in the 

 Lily of the Valley, and other Conval- 

 larkc, t, 1035, 279 and 280. 



Oblongum, oblong, three or four times 

 longer than broad. This term is used 

 with great latitude, and. serves chiefly 

 in a specific character to contrast a leaf 



