EXPLICATION OF PLATES. 



Plate I. 



Curcuma longa Linn. = C. radice longa Herrn, from Hermann, Hort. 

 Academici Lugduno-batavici Cat., (1737). 



Plate II and III. 



Fig. 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. 

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



9, 10. Curcuma auraniiaca 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 fiom a bud, 6 X enl, 



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



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



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



23, - 24. Curcuma ausiralasiaca 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. PoUinium, isolated from 28. 10 X enl. 



Plate IV. 



Fig. 1. Rhizome complex of Curcuma domestica. 

 2. Rhizome complex of C. purpurascens. 



Plate V. 



Fig. 1. Rhizome complex of C. colorata. 

 2. Rhizome conplex of C. Heyneana. 



Plate VI. 



Fig. 1. Rhizome oi Curcuma Manggajig. A, purchased on the bazar, nat. s. 

 Fig B. and C. from a living plant, diminuted. 

 2. Rhizome complex of a luxurious growing plant of C. Mangga 

 Much dimin. 



