230 
THE SEAWEEDS 
CHAUVINIA Harvey. 
Frond with pinnate prolifications, rachis and branches mostly linear; 
several layers of cells, margins entire. 
Chauvinia coriifolia Harvey. 
Frond 12 cm. to 20 cm. long, the larger leaves 8 cm. to 14 cm. long, to 
15 mm. wide, linear-lanceolate, the apex rounded obtuse ; sporophylls on the 
midrib of the leaves bearing cystocarps or sori of tetrasporangia. Substance 
thick, leathery. Colour dark-red. 
Western and South Australia (Encounter Bay, Eastern Bays). 
Fig. 93 . — Chauvinia coriifolia’. a, plant; b, sporophylla, 
containing tetraspores; c, some tetraspores; 
d„ semi-section of the lamina in a small leaf; 
e, section at the midrib, in the same. (After 
Harvey.) 
PHITYMOPHOBA J. Agardh. 
Characters given in the Conspectus of Genera. 
Phitymophora imbricata J. Agardh. 
Frond narrow linear, obtuse, entire, wavy or curled, becoming exceed- 
ing compound by leaflets repeatedly springing from the midribs of older 
leaves. 
