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PLATE XVIII. 



Bcerhavia anmilata Coville. 



Fig. a, flower; b, perianth, split open and viewed from the inside, showing the 

 three stamens; c, pistil; d, fruit. All the lettered figures are enlarged 2 di- 

 ameters, the main figure reduced to four-fifths its natural size. Description 

 on page 177. 



354 



