288 
THE SEAWEEDS 
lowest segment of the fertile ramulus, and thus nearly in the axil ; the peri- 
carp areolated, thin, and containing a dense tuft of pyriform spores. 
Stichidia lanceolate, suberect, supra-axillary, more or less crested at the 
summit, containing a single row of large tripartite tetraspores. Colour a 
deep full red, becoming brighter in fresh water. Plants adhere to paper 
in drying. 
South Australia (Investigator Strait), Victoria, Tasmania, New Zealand. 
Fig. 133 (upper). — Euzoniella incisa: a, plant; b, tip of a 
fertile branch, with distichous, pectinate 
ramuli, two of which have ceramidia; c, a 
ramulus and ceramidium; d, spores; e, part 
of a ramulus and stichidium; f, a tetraspore. 
(After Harvey.) 
Fig. 134 (lower). — Euzoniella fLaccida : a, plant; b, a 
ramulus, with its superposed stichidium; c, a 
ramulus with monosiphonous lacinulae. (After 
Harvey.) 
Euzoniella flaccida (Harv.) Falkenberg. 
= Polyzonia flaccida Harvey. 
Very closely allied to E. incisa, but much more slender, of softer and 
more flaccid substance. Primary surculus creeping; stems erect, arching, 
simple or branched, very slender, flaccid ; ramuli pectinato-partite on' the 
upper edge, laciniae 5-6, Aliform, acute articulate, mono-di-siphonous. 
Stichidia very patent, and their apex is prolonged into a sort of peak. 
Colour crimson-red. 
West Australia (Fremantle, King George Sound), Victoria. 
