PEATE, 119 
POWDERED OPEN INSECT FLOWER 
(Chrysanthemum cineraritfolium, [Trev.] Vis.) 
1. Edge of involucre scale. 2. Fibres of involucre scale. 3. Hairs. 
4. Upper epidermis of ray flower. 5. Under epidermis of ray flower. 
6. Cross-section of ray petal. 7. Lobe of disk flower. 8. Filament tissue. 
9. Lobe of stamen. 10. Calyx tissue. 11. Pollen. 12. Papille of the stigma. 
13. Stone cells from the achene and cross-section of achene. 14, Secretion 
cavity with surrounding cells. 15. Parenchyma of the receptacle. 
