G. SPONGIA. 
175 
JUNIPER. 
109. Spongia * juniper ina. 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. 
fi. 
RADISH. 
110. Spongia raphanus. Expansions foliaceous, 
strongly furrowed on each side, and stiff ; texture 
fibrous, woolly, and slightly incrusted. 
Southern seas. 
mesenteric. 
111. Spongia mesenterina. Growing in laminae, 
upright and turbinated ; laminae large, in folds, trun- 
cated at the summits, sometimes lohed, 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. 
