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MISSOURI BOTANICAL GARDEN. 



The sepal of both normal and virescent Oxdis striata is green, 

 oblong, with smooth edges. The venation is practically 

 parallel. The exterior surface of the sepal shows a number of 

 hairs, distributed over the entire surface. They are of three 



3. RACK OF SEPAL, X 400. 



kmds (fig. 3), the different kinds occurring with different 

 frequency. Most numerous are the long and thick-walled 

 unicellular hairs which occur from the base to the tip. At the 



