Fig. 23 (b). 
a, stellate hair of the indument; b, involucre, with the flowers expanded; 
c, a female flower, laid open ; d, sepal ; e, stamens; J] back-view of an 
anther; g, pollen-grains; h, a female flower, cut lengthwise; i, an ovary, 
opened to show the septa and the position of the ovules; k, septa and 
valves of the fruit; l, transverse section of the fruit; m, longiti linal 
section of a seed exhibiting albumen and embryo; all figures magnified, 
but in a various degree. b 
