356 ESSENTIALS OF BOTANY 
iD Ae 
NPA 
Fig. 2. Tips of Leaves. 
a, acuminate or taper-pointed; b, acute; c, obtuse; d, truncate; e, retuse; 
f, emarginate or notched; g (end leaflet), obcordate; h, cuspidate, — 
the point sharp and rigid; ¢, mucronate,—the point merely a pro- 
longation of the midrib, 
Fig. 3. A, Shapes of Bases of Leaves ; B, Peltate Leaf of Tropzolum. 
1, heart-shaped; 2, arrow-shaped; 3, halberd-shaped. 
