IO 



BOTANY. 



FIG. 37. 



FIG. 38. 



FIG. 39. 



an obcordate or inversely heart-shaped leaf. When a cor- 

 date base is joined with a rounded apex (Fig. 37), the leaf 



FIG. 40. 



FIG. 42. 



is reniform or kidney -shaped. Fig. 38 shows a sagittale 

 or arrow-shaped leaf. It has an acute apex, and long, 

 pointed basal lobes. 



