IONS OF THE PLATTE 



Plate IX. AMPHIPAPPUS FREMONTII, page 17. 



A head of flowers, magnified. 



The ray-flower, more magnified. 



Pappus of the same, laid open, highly magnified. 



A disk-flower, moderately magnified. 



Pappus of the same, highly magnified. 



Branches of th • sty >.->•' 'T, r &< - 



Plate X. SARCDDES SANGUINEA, page 



A flower, moderately magnified. 

 Front view of a stamen. 



The same, seen from the inside ; the anther cut transversely to < 

 its two cells : hoth more magnified than fig. 1. 



Son of a magnified flower, showing all the organs in 



■ ith one of the stamens, magnified. 

 Transverse section of the ovary. 

 An ovule, highly magnified. 

 A ripe seed, more magnified. 

 Vertical section of the same. 

 The embryo magnified. 



