202 
THE SEAWEEDS 
Gloiosaccion Brownii Harvey. 
The only species, 6 cm. to 30 cm. high, 2 cm. to 5 cm. in diameter, fusi- 
form or sausage-shaped, the adult bags filled with a transparent jelly. 
Colour from rose-red to livid-purple. 
Western and South Australia, Victoria, Tasmania. 
Removed to Chrysymenia by De Toni but restored by Kylin. 
Fig. 66 . — Gloiosaccion Brownii z a, plants; b, section of 
membrane to show cellular structure; c, 
section through a favellidium. (After Harvey.) 
CHRYSYMENIA J. Agardh. 
Frond sub-terete or piano-compressed (or with a solid branching stem), 
branched ; the tube empty or with percurrent filaments ; peripheric stratum 
composed internally of large, roundish-angular, inflated cells, externally of 
minute, coloured vertically seriated cellules. Conceptacles half-immersed in 
the frond, hemispherical or conical, containing a simple nucleus (favella) 
fixed to a basal placenta, surrounded by anastomosing filaments, and con- 
sisting of very numerous, densely packed, minute spores, enclosed in a mem- 
brane. Tetraspores cruciate, scattered among the superficial cells of the 
periphery. 
