EXPLANATION OF PLATE 27 



lonopsis satyrioides {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. 



lonojpsis utricularioides 



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. 



