354. 54. Spongil. 2.THALASSIOPHYTiE. PI. cell, aph. 
Spongia ramosa fluviatilis, Raii Syn. 30, 5. 
Spongilla ramosa, Lam. Hist. 2, 100. » 
Spongia lacustris, Lin. Syst. Nat. 1, 1299. 
Ephidaiia lacustris, Lamour. Pol. 6. 
Bottoms of lakes and ponds. 
|3. digilata. Thallus digitate, slightly branched. 
Spongia fluviatilis ramosa fragilis, Raii Syn. 30, 6. 
y. gracilis. Thallus and branches slender, branched. 
Spongia canalium, Gmel. Syst. Nat. 1, 3826. 
Ephidaiia canalium, Lamouroux , 6. 
H. SpongiditE. Thallus continuous, gelatinous, formed 
of interlaced, flexuous, horny fibres or asbestine spiculae, 
very porous, absorbing much water; sporidia scattered in 
the jelly of the thallus. — Yellow or brown, becoming white; 
when dry tough and flexible. 
XXX, 55. TUPHA. Tuphe . 
Thallus fixed, roundish, solid, very porous, leaflike; 
branches simple or compound; formed of interwoven, bent, 
horny, reticulated fibres, without any chalklike matter. 
a. Branched , branches simple or compound . 
I. Tupha oculata. Eyelet tuphe > 
Thallus much branched, soft; branches roundish, blunt, 
dotted with marginal pores. 
Spongia oculata, Ellis Corail. 80. 
Sea-shore. 
Thallus 9 inches high, bottom naked, tough, woody; 
above branched. 
elegans. Thallus pale brown; branches divaricating 
and closing together at top ; tips blunt, 4 or 5-cut. 
2. Tupha stuposa. Towlike tuphe. 
Thallus branched ; branches towlike, round, covered 
with pointed hairs. 
Spongia stuposa, Ellis Zooph, 186. 
Spongia cervicornis, Pallas? 
Sea-shore. 
|3. gracilis. Thallus very slender, beautifully white ; 
branches ascending, very hairy. 
y. damicormis. Thallus palmate, divaricating, like the 
antlers of a buck. 
