THE FACTORS 



Fig. 68. Tropical rubi- 

 aceoiis moth-flowers with 

 long corolla tubes. i..E,xo- 

 stemmafloribundum, Rom. 

 et Schult. 2, Posoqueria 

 hiisuta. 3. Oxyanthus hir- 

 sutus. In the Buitenzorg 

 botanic garden. Natural 

 size. 



Jl.: 





