178 
CLASS III.— ORDER I. 
branches stiff, upright, divided, cylindrical, pointed, 
subangular, and hairy ; spiny on their surface. 
Western coast of France. 
PRICKLY. 
122. Spongia muricata. Stem long and branching ; 
branches loose, few, simple, tough, tail-shaped, and 
stuck with linear obtuse projections, which are spa- 
tulated and very close. 
Western coast of Africa. 
VULPINE. 
123. Spongia vulpina . Upright, branching, and in- 
crusted ; branches tail-shaped, thickly covered with 
small projections, which are divided, frequently coa- 
lescing in trellis form, and irregularly porous. 
Southern seas. 
SPIKED. 
124. Spongia spiculifera. Whitish mass, deeply 
cut in upright lobes, which are proliferous, and re- 
semble ears of corn ; porous, osculated, and stuck with 
small tubercles. 
Seas of Australasia. 
thistle-shaped. 
125. Spongia carlinoides. Resembling a small 
thorny bush, in a fan-like tuft, whose ramifications 
resemble the leaves of the Carline thistle ; surface 
incrusted. 
amaranthine. 
126. Spongia amaranthina . Upright, branching, 
