Plate XIX. 



Zingiber Ottensii Val. 



Fig. L Spike with a bud. - ■ 



2. Bract from the inner side, showing the inflexed margin. 



. 3. Bract from t-he top. 



4, 5. Flower. 



6. Labellum and Staminodes explained. 



7, 8. Base of the leaf. 



