GLOSSARY OF BOTANICAL TERMS 161 



LEAP SHAPES. 



Leaves, leaflets, and other flat organs of 

 plants may be 



Linear, narrow; at least four times as long 

 as the width and with parallel margins. (32) 



Lanceolate, lance-shaped ; broadest about the 

 middle and tapering at both ends. (33) 



Ovate, egg-shaped ; the larger end at the base. 

 (34) 



Obovatc, inversely egg-shaped; the larger 

 end at the top. (35) 



Reniform, kidney-shaped. (36) 



Cordate, heart-shaped. (37) 



Obcordate, inversely heart-shaped. (38) 



Sagittate, when the base is shaped like an 

 arrow-head, the lobes taking a downward posi- 

 tion. (39A) 



Hastate, when the lobes at the base of the 

 leaf point outwards in the form of a halbert. 

 (39B) 



(Many sagittate leaves vary to hastate on the 

 same plant.) 



