16 Transactions of the Uoyal Society of South Africa. 
morphas of small stature, such as E. minima, Naeg., E. aureola (Ag.), Kuetz., 
and E.fucicola (Menegh.), Kuetz. 
'. Fig. 4. — Enteromorpha hasiramosa, F. E. Fritscli, n. sp. A, single tliallus, 
enlarged about twenty times. B, part of the upper portion of one of the 
primary filaments, showing the small uniseriate branches. C, small part of 
the same on a larger scale. D, cells, seen in optical section, from the margin 
of one of the wider filaments, showing the papilla-like protrusion of the 
protoplasm into the thickened outer wall. E, and F, parts of older filaments 
showing the disposition of the cells, G, single cells. B x 100 ; C-F x 450 ; 
G X 700. 
The most marked characteristic of the new species lies in the abundant 
branching that takes place just above the base of the plant (Fig. 4, A, and 
