234 
THE SEAWEEDS 
2. Globose expansion to 8 cm. long formed of 
dichotomous-decompound branches with thin 
flattish branchlets bearing above crowded fila- 
ments 8. mutabilis 
(Harv.) J. Agardh. 
Western Australia and South Australia 
(Investigator Strait). 
B. — Corticate, only the junior branches poly- 
siphonous. Caulescent tall species, 30 cm. or 
more high. 
1. Branches opposite S. dasyoides 
Harvey. 
Fig. 9 G.—Sarcomenia dasyoides: Two specimens. 
2. Branches alternate S. Victoriae 
(Harv.) J. Agardh. 
3. Branches stout below, penicillate above. 
Fruiting branches secund 8. tenera (Harv.) 
J. Agardh. 
Investigator Strait. 
4. Branches stout below 3 4 S. * 7 , forming corymbs 
above 8. corymbosa 
J. Agardh. 
S. tenera spreads from Western Australia 
to Victoria and has been found in South Aus- 
tralia. The other two species so far only 
known from Victoria. 
