Plate XII. 



LEAF FORMS. 



4:1 



IT 



General subject Rune etch of them. Instances of each. Define Cordate I between flga. 2 and 8 i and 9 18 and 14 ? How la fig. 8 IT 1ST Howls th 

 -OwU 8ptalt AceroM Sgittl-Ebomboldl Connte. Difference | TennUon In thew leaves t 'What.then, do theylUcate,EndogensorExogensf 



6 



