354 54. Spongil. 2. THALASSIOPHY TE. Pl. cell. wr 
Spongia ramosa fluviatilis, Rati Syn. 30, 5. 
Spongilla ramesa, Lam. Hist. 2, b00. 
Spongia lacustris, Lin. Syst. Nat. egos 
Ephidatia lacustris, Lamour. Pol. 6. 
Bottoms of lakes and ponds. 
8. digitata. Thallus digitate, slightly branched. 
Spongia fluviatilis ramosa fragilis, Rati Syn. 30, 6. 
_y. gracilis. Thallus and branches slender, branched. 
Spengia canzlium, Gmel, Syst. Nat. 1, 3826. 
Epiidatia canalium, Lamourous, 6. 
H. Sponeipiz. Thallus continuous, gelatinous, formed 
of interlaced, ane horny fibres or asbestine spiculee, 
very porous, ‘absorbing much water; sportdia scattered in 
the jelly of the thallus. Yellow or brown, becoming white; 
when dry tough and flexible. 
RAC, 55. FUP AE Tuphe. 
Thallus fixed, roundish, solid, very porous, leaflike; 
branches simple or compound; formed of interwoven, bent, 
herny, reticulated fibres, without any chalklike matter. 
a. Branched, branches simple or compound. 
1. Tupha oculata. Eyelet tuphe. 
Thallus much branched, soft; branches ey blunt, 
dotted with marginal pores. 
Spongia oculata, Ellis Corall, 80. 
Sea-shore. 
Thallus 9 inches high, bottom naked, tough, woody; 
above branched. 
8. elegans. Thallus pale brown; branches divaricating 
and closing together at top; ¢zps blunt, 4 or 5-cut. 
2. Tupha stuposa. Towlike tuphe. 
Thallus branched; branches towlike, round, covered 
with pointed hairs. 
Spongia stuposa, Ellzs Zooph. 186, 
Spongia cervicornis, Pallas ? 
Sea-shore. ’ 
8. gracilis. Thallus very slender, beautifully white ; 
branches ascending, very hairy. 
y. damicormis. Thallus palmate, divaricating, like the 
antlers of a buck. i 
