APPENDIX I 357 
Fic. 4. I. A, Runcinate Leaf of Dandelion ; B, Lyrate Leaf. 
II. Shapes of Margins of Leaves. 
a (1), finely serrate; (2), coarsely serrate; (3), doubly serrate. 0 (1), finely 
dentate; (2), sinuate dentate; (3), doubly dentate. c, deeply sinuate. 
d, wavy. e (1), crenate or scalloped; (2), doubly crenate. 
II. FORMS OF FLOWER CLUSTERS 
ap S 
Fic. 5, A, Axillary and Solitary 
Flowers of Pimpernel; B, Ra- 
ceme of Common Red Currant. 
p, peduncle; p’, pedicel; br, bract. 
