EXPLANATION OF PLATE 13 



Polystachya ohanensis RencUe 



L Inflorescence, natural size. 

 2. Lip X 4. 



Polystachya Dorotheae Rendle 



3. Flower x 2. 



4. Lip X 4. 



Polystachya nigerica Rendle 



5. Plant, natural size. 



6. Flower x 4. 



7. Lip viewed from above x 10. 



8. 9. Side views of lip x 10. 



Polystachya seticaulis Rendle 



10. Plant, natural size. 



11. Flower x 8. 



12. Lip X 10. 



