G. SPONGIA. 173 



upright, approximate, soft, and more or less coales- 

 cent ; texture fibrous, and very fine. 

 Indian and Australasian seas. 



ENDIVE. 



100. Spongia endivia. Laminae soft, spatulated, 

 rounded, lacerated and crisped at their borders, and 

 disposed like the petals of a rose ; texture fibrous, 

 and longitudinally channelled. 



PITCHER-SHAPED. 



101. Spongia urceolus. Oblong-oval, greenish and 

 pedunculated ; summit narrow and perforated. 



Norway. 



mammillary. 



102. Spongia mammillaris. Shapeless and caver- 

 nose, with tubular and projecting fibres ; tubes co- 

 nical and flexuous. 



Norway. 



MANY-LEAVED. 



103. Spongia pohjphylla. Pediculated upright 

 leaves, wedge-shaped, rounded at the summits, slightly 

 lobed, rolled in the form of a coronet, frequently coa- 

 lescent, irregularly hollowed, and with longitudinal 

 nerves stronger on one side than the other. 



Indian Ocean. 



PEACOCK'S-TATL. 



lOJ. Spongia pavonia. From a stift' and com- 

 pressed pedicle spring many foliated expansions, ob- 



