APPENDIX 



[Additional illustrations, chiefly for use with a flora in determination 



of species] 



I. LEAF FORMS 



FIG. 1. General outline of leaves 



a, linear: b, lanceolate: c, wedge-shaped; d, spatulate: e, ovate; /, obovate; 

 y, kidney-shaped ; h, orbicular; /, elliptical 



537 



