€aAP. VII- 



CATASETU3I SACCATUM. 



183 



Fig. 29. 



Catasetum saccatum. 



<i. 'anther. 



an. antennii? of the vostellum. 



d. disc of ])olliuiuiTi. 



f. filament uf anther. 



;/. gennen or ovarium. 



/. labellum. 



2). pollen-masses. 



jxl. or pal. pedicel of pollinium. 



.--•. stigmatic chamber. 



A. Front view of column. 



B. Side view of flower, with all the 



.«epals and petals removed ex- 

 cept the labellum. 



C. Diagrammatic section through 



the column, with all the parts 

 a little separated. 



D. Pollinium, upper surface. 



t)> Pollinium, lower surface, wliich 

 before removal lies in close 

 contact with the rostellura. 



