52 PLANT LIFE 



bles in its general shape a small Prickly Pear 



Fig. 8. Halimeda Opuntia. I. General appearance of the 

 plant. II. A section through one of the flattened lobes to 

 show the palisade-like peripheral branches passing into 

 the broader longitudinal filaments or strands. 



or Opuntia. From an attaching organ there 

 rises a jointed and much -branched plant. 



