2913.
STYGEOCLONIUM tenue.
Slender Stygeoclonium.
CRYPTOGAMIA Algee.
Gen. Char. Threads extremely delicate, branched,
gelatinous, articulated. Endochrome collapsing,
and at length forming quaternate spores.
Spec. Char. Filaments sparingly branched, elongated
; extremities at first much elongated and
pellucid. Articulations of the stem twice or
thrice as long as broad; those of the branches
rather longer than broad.
Syn. Stygeoclonium tenue. Kutzing Phycologia,
253.
Draparnaldia tenuis. Ag. Syst. Alg. 57. Ic Alg
Eur. no. 38. Harv. in Hook. Eng. FI. v. 5.
pt. 1. 388. Manual, 122. Hassall Freshw.
Alg. 123. t. 11. ƒ 2.
j3. elongata. Ag. 1. c.
Syn. Draparnaldia hypnosa. Moug. $ Nest. no. £99.
Conferva protensa. Dillw. t. 67.
Conferva lubrica. Dillw. t. 57.
X N the rocky bottoms of rivulets, and also in standing pools.
Found in many parts of Great Britain.
filaments very slender, 2-6 inches long, sparingly branched
with irregular or subalternate or occasionally somewhat fasciculate
branches. Tips at first much elongated, extremely
acute and pellucid, at length subacute. Articulations of the
main stem two or three times as long as broad; of the branches
rather longer than,broad. Endochrome filling the internal