Explanation of Pl. XXXI. 



Balanophora mutinoides Hayata. 



■"ig. 1. A male plant. 



2. Poition of the flower-liead, seen from above. 



3. A male flower. 



4. Tlie same, seen from abore. 



5. A female plant. 



6. A portion of tlie flovrer-heacl. 



7. A columella ■«•ith female flowei-s at its base. 



8. The same in chister. 



9. Cross section of a female flower-head. 



