EXPLANATION OF PLATE 9 



Pleurothallis Morrisii 



1. Plant, natural size. 



2. Petal X 15. 



3. Lip X 15. 



4. Column X 15. 



Pleurothallis confusa 



5. Portion of plant, nat. size. 



6. Petal X 15. 



7. Lip X 9. 



Pleurothallis Wilsonii 



8. Lip X 9. 



Pleurothallis Helense 



9. Plant, nat. size. 



10. Flower spread out X 6. 



11. Lip X 19. 



12. Ovary and column X 15. 



13. Anther case enlarged. 



14. PoUinia enlar«red 



?5" 



O" 



Pleurothallis hirsutula 



15. Portion of plant, nafc. size. 



16. Flower x 4. 



17. Petal X 5. 



18. Lip X 6. 



19. Column x 7. 



