ENDOGENJE FLORIDA. 



175 



parietal. Seeds without albumen; embryo undivided, anti- 

 tropous. 



USES. Unknown . 



TYPICAL GENERA. Hydrocharis, Stratiotes. 



160. Zingiberacea or Scitaminea. Aromatic, tropical, 

 herbaceous plants. Leaves with divergent veins. Calyx 

 superior, tubular. Corolla irregular, with 6 segments in 2 

 whorls. Stamens 3, of which the 2 lateral are abortive. 

 Filament not petaloid. Anther 2-celled. Stigma dilated, 

 hollow. Fruit usually capsular, occasionally berried. Seeds 

 with or without an aril ; albumen floury ; embryo enclosed 

 within a vitellus. 



USES. Aromatic stimulants. Ginger is the rhizoma of 

 Zingiber officinale ; Cardamoms are the fruit of Elettaria 

 Cardamomum and others. Grains of Paradise, or Meleguetta 

 pepper, are furnished by Amomums. Turmeric, Galangale, 

 and Zedoary are other products of the order. 



TYPICAL GENERA. Alpinia, Hedychium. 



1. Flowers of Kaempferia pandurata. 2. The inner row of the corolla seen in pro- 

 file. 3. The anther, enclosing the apex of the style between its lobes. 4. The 

 style and stigma, with two abortive stamens at the base. 5. A transverse section of 

 the ovary. 6. Ripe fruit of Ceylon Cardamoms, Elettaria Cardamomum Zeylanicum 

 of Pereira. 7. A seed. 8. The same cut through to show the embryo seated in 

 vitellus. 



161. Orchidacea. Herbaceous plants, in tropical countries 

 often growing on trees and rocks. Leaves often articu- 



