Vi) 
| Special Morphology and Classification. ht B80 
TEI, 
Fic. 499.— Senecio gee ; I. inflorescence (natural size); II. ligulate flower ; 
II. tubular flower (magnified). 
Fic. s00.—Longitudinal section through the capitulum o 
Onorpordon acanthium (natural size). 
lar flower of sun- 
flower, Heliax- 
thus annuus, 
with inferior 
ovary (magni-~ 
fied). 
