Explanation of Plate I. 



Diimasia hlcolor Hayata. 



Fig. 1. Tlie plant. 



2. A Hower. 



3. A wing. 



4. A keel. 



5. A foldecl portiou of the same keel. 



6. 8tamens. 



7. A clehisciug pocl. 



8. 9, A seed, seen from different sides. 



