284 
THE SEAWEEDS 
Fig. 130 . — Brongniartella australis : a, plant; b, joints 
of the stem and the ramellus; c, cross- 
section of the stem; d, part of a ramulus, 
with ceramidia; e, a ceramidium; f, 
spores from the same; g, a ramulus, with 
tetraspores; h , a tetraspore. (After 
Harvey.) 
