EXPLANATION OF PLATE 28 



Brassia maculata 



1. Portion of plant, half natural size. 



2. Portion of raceme, half nat. size. 



3. Column X 4, from side. 



4. Do. from front. 



5. Anther enlarged. 

 G. Pollinia enlarged. 



Brassia caudata 



7. Flower, with one sepal and one petal removed, 



nat. size. 



8. Anther enlarged. 



9. Pollinia enlarged . 



Comparettia falcata 



10. Plant, half nat. size. 



1 1 . Flower, with sepals and one petal removed, slightly 



enlarged. 



12. Sepals and ovary, slightly enlarged. 



13. Column x 3. 



14. Anther enlarged. 



15. Pollinia enlarged. 



