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K.—BOTANY 205 
PLATE IIJ—REFERENCES. 
15. U. aff. orbiculata. Sagittal section of the entrance structures. 
16. The same. View looking into the mouth of the trap. 
17. Sagittal section of U. Kirkit. 
18. U. aff. orbiculata, The door en face. u.h., upper, and Lh., 
lateral hinge ; m.p., middle piece. 
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19. Transverse section through a, b, c and d, Fig. 17. 
Fic. 20. Sagittal section of entrance of U. capensis. 
