Fig. 46. 



51 



Fig. 48. 



Reniform leaf. Spathulate leaf. Cordate leaf. 



Cordate, having the base rounded in the shape of a heart. 

 (Fur. 48.) 



Orbicular, nearly circular (Fig. 49) — Radiate venation. 



Peltate, with the petiole inserted in the lamina, but not in 

 the center of it. (Fig. 50.) 



Fig. 49. Fig. 50. Fig. 51. 



Orbicular leaf. 



Subulate leaf. 



Subulate, in the shape of an awl. (Fig. 51.) 

 Sagittate, shape of an arrow-head. (Fig. 52.) 

 Hastate, shape of a spear-head. (Fig. 53.) 

 Cuneate, wedge-shaped, tapering gradually to the base. 

 (Fig. 54.) 



Fig. 52 Fig. 53. Fig. 54. 



Hastate leaf. 



Sagittate leaf. 



Linear, narrow and long, and near- 

 ly of the same width in all its parts. 

 (Fig. 55.) 



Linear leaf. 



Cordate? Orbicular? Peltate? Subulate? Sagittate? Hastate? 

 Cuneate ? Linear ? 



