Some Common Trench Flowers. 25 
(A. aspera) of India from which the pith hats sold in 
stores are made. 
Besides these the " Bizy-Bizy " Cyperus giganteus 
and Eleocharis geniculata, curious reeds, looking likegreen 
porcupine quills, two or three feet long, and the cos- 
mopolitan fern Acrostichum aureum may generally be 
found. 
Much more could be written on this subje6l, but suffi- 
cient has been said to show that, despite their very pro- 
saic and uninviting appearance, our trenches are not so 
devoid of interest as one would at first suppose. 
D 
