OF- SOUTH AUSTRALIA. 
335 
Spongoclonium Wollostonianum (Harv.) J. Agardh. 
= Cattithamnion Wollostonianmn Harvey. 
Frond 10 cm. to 14 cm. long, wide, caulescent, with the stem at the base 
thinly corticate for a long distance, above stupose, hirsute, subdistichously 
branched ; ramuli above free pinnate, irregular, with pinnae branching in 
all directions, sublincar; the pinnellae alternate on the elongated rachis, 
which is prominent and bare, patent from the horizontal pinnae, the lower 
ones sparsely pinnulated. Tetrasporangia sparse and shortly pedicellate. 
West Australia (King George Sound). 
Spongoclonium Wilsonianum J. Agardh. 
Frond wide, caulescent, alternately irregularly plumed, plumes spread- 
ing in all directions, lanceolate ; pinnellae alternate on the elongated rachis, 
which is prominent and bare, patent from the horizontal pinnae, the lower 
I 
Fig. 162 . — Spongoclonium 
Wollostonianum. 
ones densely branched close to the rachis; incurved ramelli cover the 
stupose ramuli and stem. Tetrasporangia triangularly divided, scattered on 
the lower pinnellae. 
Victoria (Port Phillip). 
Spongoclonium scoparium J. Agardh. 
Frond 10 cm. long, caespitose, rotund spreading ; ramuli fasciculate, regu- 
larly branched again and again, radiating above the stipe, which is less 
conspicuously funicular ; ramuli and ramelli erect, patent, close together, of 
irregular lengths. 
Victoria (Western Port), Tasmania (Orford). 
Spongoclonium paradoxum (Harv.) De Toni. 
= Callithamnion paradoxum Harvey. 
Frond spongiose, widely branched, growing entirely from very dense 
intertwined root filaments, pyramidal; lateral ramuli very densely tomen- 
tose, simple, or regularly laterally branched, ramelli shortly pinnate; 
