Explanation of PL XII. 



Tainia Shimadai HAYATA. 



Fig. 1. The plant. 



2. A flower. 



3. A dorsal sepal. 



4. A lateral sepal. 



5. A petal. 



6. A lip. 



7. A column with the operculum. 



8. The same, seen from dorsal side. 



9. A pollinium. 



10. The same, seen from side. 



