Fig. 82 (b). 
a, a male flower-head laid open; &,■ a male flower flattened out; c, pollen- 
grains; d, a female flower-liead laid open; e, side-view of a male flower; 
f, an achenium; g, longitudinal section of an achenium; h, embryo; all 
variously magnified. 
[S] 
