^b 



I HE Li^.AF. 



10/ Hastate (halbert-shaped), hollowed out at the base audi 

 sides. Ex. Bitter-sweet.) 



11. Sagittate (arrow-shaped), (with pointed, descending li-bes 

 at base. Ex. Polygonum sagittatum ; Sagittaria; fec^ 



12. R'eniform (kidney-shaped)( broad, rounded at the apes, 

 and hollowed at the base, a* in the Asarani Canadense. 



a. The following forms depend less upon the proportion of 

 the veinlets than on the (imperfect development of the tissue 

 between them^) 



FIG. SO. — 12 — 16, figures of feaAer-veined leaves, the remainder of ra<Jiats-veinea. 



13. Rimcinate (re-uncinate), liaving the margin extended al 

 t\\e veins into pointed segments, which cm-ve backwards. S^i. 



Taraxacum. ■ 



14. lyyrate (lyi'e- shaped), ^vith several deep, rounded smuses, 

 occasioned by deficiency of tissue between the lower veinlets ; 

 water-cress C Sisymbrium).^) 



15. Finnatijid (featlier-cleft),^th deep sinuses betxveei. the 

 veinlets, separating each margin ef th-e leaf iMo- oblong, par- 

 allel segments.j Ex. Lepidium. 



L8. Sinuate,(lx^Tmg deep, rounded openings between the 

 veinlets, seen in the leaves c£ the white oak!) 



233. Had I ATE -VEINED leaves assmTie many foi-ms, depending 

 , upon the direction of the veins, and the quantity of the i itcr- 

 vening tisstse. Some of them are the follo-vv4ngvv 



17. Palmate (palm-shaped),^ having five lobes, with as many 

 Teins (227) separated by deep divisions, so as to resemble the 

 palm of the hand witli the fingers. Ex. passion-flower. 



