PLATE XXIII. 



A plant of Cyperus {Papyrus) atlanticus, natural size. 



Figure 1. — A portion of a leaf from near the apex. 



,, 2. — A spikelet. 



„ 3. — A glume with its basal appendages as it tears from the rhachis when young. 



„ 4. — Portion of rhachis from which the glumes have fallen, leaving the persistent 

 appendages. 



,, 5. — A flower. 



,, 6. — A nut : all the figures enlarged. 



Drawn from a specimen in the Kew Herbarium, collected by Sir Joseph D. Hooker. 



