OF SOUTH AUSTRALIA. 
75 
uppermost, ovoid. Receptacles borne on the interior side of terminal leaves, 
racemose, each stipitate, cylindraceous-lancoid, about 4.5 mm. long. Plants 
to 60 cm. high. 
Frequenting harbours all round the coasts of Australia. New Caledonia 
and the Admiralty Islands. 
CYSTOSEIRA C. Agardh. 
Vesicles developed in the primary branches. Receptacles hermaphrodite. 
Oogonia monosporous. Chiefly Atlantic and Mediterranean. 
Cystoseiro abrotanifolia Agardh var. macrocarpa (Kuetz.) De Toni. 
Distinguished by the very large vesicles to 8 mm. long. 
It occurs in Western Australia, but may be found in South Australia. 
Fig. 44 . — Scaberia Ayardhii. 
