EXPLANATION OF PLATE l>7 



Ion ops is 8atyrioide8 (I. testiculata) 



1 . Plant, natural size. 



2. Flower, with one sepal and one half and one petal 



removed, X between 3 and 4. 



3. Pollinia enlarged. 



Ionops is utricular io ides 



4. Portion of panicle, nat. size. 



5. Flower, with half perianth removed, slightly enlarged. 



6. Pollinia enlarged. 



Macradenia lutescens 



7. Plant, nat. size. 



8. Flower, with sepals and petals removed, x about 2. 



9. Pollinia enlarged, from side, 

 10. Do. from back. 



