OF SOUTH AUSTRALIA. 
71 
Cystophora platylobiwm (Mert.) J. Agardh. 
Robust but shapely plant. Stem and branches flattened, pinnate along 
the edges. Ultimate pinnules pedicellate, lanceolate, passing into broad 
flat receptacles. Vesicles stalked, as large as a sloe or bird-cherry, spherical, 
mutic. To 90 cm. or more high. 
Southern coast of Australia, Tasmania, New Zealand. 
Cystophora pectin at a (Greville and Agardh) J. Agardh. 
Stem angular, terete, nearly as stout as a goose quill. The ultimate 
pinnules lanceolate, pinnatifid with flattened linear segments, the rachis 
winged, pinnules 7.5 cm. long, segments 2 cm. No vesicles. Receptacles 
have not been seen. At least 60 cm. high. 
Western Australia, from Fremantle south, extending along the Great 
Bight into South Australia (Clare Bay, Dr. G. A. Chambers). 
Cystophora racemosa Harvey. 
Stem flat with sharp edges bearing bipinnate branches from the flat faces. 
The rachides become gradually denuded below, the fallen pinnules leaving 
a ladder-like (scalariform) series of stumps. Vesicles spherical, mutic, 
pedicellate, of the size of a garden pea. Receptacles flattened, lanceolate, 
with a series of conceptacles along each margin. 
Elegant plants up to 4 metres in height. 
Fig. 43 . — Oystophora racemosa. 
