.'. 



EXPLANATION OF PLATE 12 



Brachionidium Sherringii 



1. Plant, natural size. 



2. Leaf showing position of sheaths x 2. 



3. Flower X IJ, from front. 



4. Do. from back. 



5. Dorsal sepal x about 2. 



6. Lateral sepals x about 2. 



7. Petal X about 2. 



8. Lip and column X 17, side view. 



9. Do. back view. 



10. Anther case enlarged. 



11. PolUnia enlarged. 



