Explanation of Pl. XXIII. 



H.i.benaria Vmaripetala Hvyata. 



1. Tlie plant. 



2. A flower. 



:i. A dDvsal sepal. 



4. A lateral sepal. 



.5. A petal. 



<;. A lip. 



7. Ceutr.al portiou of a tlower. 



8. 9. A staiuiuocle, seen frora difFereut siles. 



10. A stigma. 



11. Tlie sarae, seeu from back. 



