CuAP. VII. CATASETUM SACOATUM. 



183 



Fig. 29. 



Catasktum saccatum. 



u. anther. 



an antennse of the rostellum. 



d. disc of polliniuin. 



/. filament of anther. 



g. geriKien or OTarium. 



I. labellum. 



p. pollen-masses. 



pj ov ped. pedicel of poUinium. 



i. stigmatic chamber. 



A. Front rievr of column. 



B. Side view of flower, with all the 



sepals and petals removed ex- 

 cept the labellum. 



C. Diagrammatic section through 



the column, with all the parts 



a little separated. 

 I). PoUinium, upper surface. 

 E. PoUinium, lower surface, which 



before removal lies in close 



contact with the rostellum. 



