EXPLANATION OF PLATE 1 



Hahenaria macroceratitis 



1. Flower, natural size. 



H. distans var. jamaicensis {H. jamaicensis) 



2. Flower x about 2. 



3. Petal X 5. 



Hahenaria alata 



4. Flower X nearly 2. 



5. Column and lip with part of petals X 4. 



6. Petal X 5. 



7. Lip, under side x 7. 



Hahenaria monorrJiiza 



8. Flower x between 2 and 3. 



9. Smaller flower do.. 



10. Petal X 5. 



Pogonia macrophylla 



11. Upper part of stem X |. 



