Fig. 1. Involucre, with its florets. Fig. 2. Single floret. Fig. 3. Involucre, 
as it appears after the pericarps are fallen away. Fig. 4. Pericarp 
(achenium), with its pappus. Fig. 5. One of the scales of the pappus: 
All more or less magnified. 7 - 
