THE TYSON COLLECTION OF MARINE ALGAE 
111 
P. Fulleri, Schmitz. 
Submerged rocks, Kowie. Only one specimen. 
P. glomeratus, J. Ag. 
Rock pools, Sea Point, Nov. 1895. One specimen. (Also Table 
Bay, False Bay. Barton (2), 1896.) 
P. nobile, J. Ag. 
Submerged rocks, Table Bay. One specimen. (Also Simon’s Bay, 
Cape Recife. Barton(i), 1890; and Kowie, Natal. Barton (2), 
1893.) 
P. leptovhyllum. 
Waterloo Bay, and Kowie. The sheet is marked “Reinbold 
scripsit.” 
Note on the genus Plocamium. 
Other species are mentioned by Barton as occurring in the Cape 
region: P. subfastigiatum, Kiitz., Natal; P. Mertensii, J. Ag. ; and P. 
procerum at the Cape and Algoa Bay. 
11. Delesseriaceae. 
1. Martensia elegans, (Her.). 
Durban Bluff, 1907; Isipingo, 1912. (Also Port Natal. Barton(i).) 
3. Nitophyllum venosum, Harv. 
Deep water, Table Bay, Rogge Bay; small form from Three 
Anchor Bay. 
N.fissum, (Grev.). 
Base otEcklonia fronds, TableBay. (AlsoCamp’sBay andKnysna. 
Barton (l).) 
N. uncinatmn, (Turn.) J. Ag. 
Sea Point, Durban. (Also Ivei mouth. Barton(i).) 
N. reptans, Cru. 
Durban. (Also Cape Point. Barton (l).) 
This is regarded by Tyson as possibly a smaller form of N. unci- 
natum. 
N. maculatum. 
On various algae, Kowie, Knysna, East London, Port Alfred, 
Durban. 
N. Kowiensis, Schmitz. 
The Kowie. One specimen. 
Note on the genus Nitophyllum. 
Other species recorded by Miss Barton are : N . Platycarpum, Robben 
Island, Table Bay, Cape Point, Green Point, Camp’s Bay, Cape Agulhas, 
Knysna, Algoa Bay; N. undulatum, Simon s Bay; N. capense, Table 
Bay; N. acrospermum, the Cape; N. pinnatifidum, Algoa Bay, A. 
serratum, the Cape. 
