Plate II and III. 



1, 2. Curcuma purpurascens Bl. Flower, nat. size. 



3. The same, seen from face, enlarged. 



4. The same, with decurved lip, showing staminodes. 



5; The same, from the backside, with dorsal lobe bent down, 

 showing staminodes from back side. 



6, 7. Stamen, lip and staminodes being removed. 



8ö. b. Pollination, from Forbes, Wanderings. 



9, 10. Curcuma aurantiaca v. Z. Flower, nat. size. 

 11. The same seen from face, enlarged. 

 12 — 14. Stamen, after removing of the other flower parts. 

 15 — 17. Stamen, 5 X enl. 



18. Anther from a bnd, 6 X 6"'- 



19. Flower from face, lip bent down, nat. s. 



20. 21. Stamen of Curcuma petiolaia Roxb. enl. 



22. Anther, showing the furrow on the spurs, much enl. 



23, 24 Curcuma australasiaca Hook, anther (from Hooker, Bot. Mag. 



t. 5620). 



25. Curcuma aeruginosa, anther. 



26. The same, seen from the base, showing the obsolete furrow 

 of the spur. 



27. 28. Young stamen of C. aurantiaca, much enl. 

 29. Pollinium, isolated from 28. 10 X enl. 



