162 
THE SEAWEEDS 
punctures to circles a cm. in diameter. Colour when fresh a deep crimson- 
lake, on exposure becoming yellow. Growing in deep water. 
Western Australia, South Australia, Victoria, and Tasmania. 
Fig. 35. — Kallymenia cribrosa: a, plant; b, section of the 
frond and of a cystocarp. (After Harvey.) 
Kallymenia tasmanica Harvey. 
Frond gelatinous-fleshy, shortly stipitate, expanding into a lamina of two 
or more square feet, generally rounded, oblong in outline, with marginal 
lobes and laciniae. Not perforated. Purple. 
South Australia (Eastern Bays), Victoria, Tasmania, New South Wales. 
MEREDITHIA J. Agardh. 
Frond fleshy, flat, on a short stipe, rounded-oblong or dichotomous- 
palmate, with sinuous lobes. Structure much as in Kallymenia. Cystocarps 
immersed above the surface* cup-shaped tetrasporangia immersed in the 
cortical stratum, cruciately divided. 
Meredithia polycoelioides J. Agardh. 
Frond stipitate, dichotomous-subpalmatifid, linear sigments below the 
axils more or less cuneate, terminally dilated, subdigitate-lobed, lobes obtuse ; 
axils of adults rounded, proliferous from the margin. Cystocarps immersed 
in median segments, sparse, often confluent into large round spots. 
The Great Australian Bight, South Australia (Gulf St. Vincent, Eastern 
Bays), Victoria (Port Phillip), and Tasmania. 
