103, 104.] 



THE COMPOUND LEAF. 



121 



with a long, tapering point ; cuspidate, abruptly con- 

 tracted to a sharp, slender point ; mucronate, tipped 

 with a spiny point ; acute, simply ending with an 

 angle ; obtuse, rounded at the point. Or the leaf may 



365 (I ' ^363 



363, Lemon. 364, Jeffersonia. 365, Potentilla anserina. 366, P. tridentata. 



end without a point, being truncate, as if cut square 

 off ; retuse, with a rounded end slightly depressed 

 where the point should be ; emarginate, having a small 

 notch at the end ; obcordate, inversely heart-shaped, 

 having a deep indentation at the end. 



367-375, Apex of leaves. a, obcordate ; Z>, emarginate ; c, retuse ; d, trunct-te ; e, obtuse ; /, acute ; g, 

 mucronate ; A, cuspidate ; k, acuminate. 



376-380, Bases of leaves. J, hastate ; m, n, sagittate ; o, auriculate; p, cordate ; q, reniform. 



308. Margin. The following terms are used to 

 define the margin of the leaf or leaflet, with no refer- 

 ence to the general form. If the leaf be even-edged, 

 having the tissue completely filled out, the appropriate 

 term, is entire. Sometimes a vein runs along such a 

 margin as if a hem. 



