G. SPONGIA. 175 



JUNIPER. 



109. Spongi\ juniperina. Foliaceous expansions, 

 incrusted, rough ; oval, round, or three-sided ; formed 

 of a multitude of small branches, partly united, partly 

 detached, and disposed in the form of a fan. 



Var. B. Cypress-formed; expansions latticed, and 

 very porous. 



Indian Ocean. 



RADISH. 



110. Spongia raphaniis. Expansions foliaceous, 

 strongly furrowed on each side, and stiff; texture 

 fibrous, woolly, and slightly incrusted. 



Southern seas. 



MESENTERIC. 



111. Spongia mesenterina. Growing in iaminas, 

 upright and turbinated ; lamina? large, in folds, trun- 

 cated at the summits, sometimes lobed, with circular 

 undulations. 



Southern seas. 



LEPORINE. 



112. Spongia leporina. Deeply cut in thin straps, 

 smooth and oblong, widening at the summits, obtuse, 

 a little incised, lobed, and incrusted. 



Southern seas. 



laciniated. 



113. Spongia laciniata. Laminae leaf-shaped and 

 rather thin ; cut almost in the shape of a lyre or lance- 

 head, and soft ; fibres bare and interlaced ; surface 

 like velvet, but cleft or flawed, with dispersed oscules. 



Indian Ocean. 



