THE TYSON COLLECTION OF MARINE ALGAE 
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H. ligulata, Suhr. 
Kowie. 
Table Bay, Algoa Bay, Algoa Bay to Natal. Barton (l).) 
H. macrocar pa, Aresch. 
Kowie. 
(Port Natal. Barton(i).) 
Note. Miss Barton(i) records the following additional species: II. dicho- 
toma, Suhr., Omsamcolo, Port Natal; II. polypodioides, Ag., Algoa 
Bay, Port Natal; H. delicatula, Lam., Port Natal. 
7. Dictyota naevosa, Suhr. 
Kalk Bay, Plettenberg Bay, Kowie, Cape Morgan. 
(Algoa Bay to Port Natal, Ivei. Barton(i).) 
D. fasciola, (Roth.) Lamour. 
Kei, British Kaffraria. 
(Cape Agulhas. Barton(i).) 
D. dichotoma, J. Ag. 
Kei, Cape Morgan, British Kaffraria. 
(Cape Point, Kalk Bay, Algoa Bay, Port Natal. Barton(i).) 
D. sp. (very like D. Bartayresiana, ex Herb. E. M. Holmes in 
Dr Becker’s collection). 
Simon’s Bay, Algoa Bay. 
D. sp. (appears to be close to D. liturata, J. Ag.). 
Locality of the specimens in Tyson’s collection uncertain. Either 
Algoa Bay or the Kowie. 
Note. Miss Barton (l) records several species not represented in Tyson’s 
collection, viz. D. dichotoma var. implexa, Cape Agulhas ; D. linearis, 
Ag., Port Natal; D.inscripta, J. Ag.,Ivalk Bay; D. denticulata, Ag., 
Cape; D. liturata, J. Ag., Kalk Bay; D. Pappeana, Kiitz., Kalk 
Bay; D. polycarpa, Sond., Simon’s Bay. (This last species is 
given as being doubtful.) 
Homoeostrichus multifidus, (Harv.) J. Ag. 
Kalk Bay. 
(Cape. Barton(i).) 
Note. In Engler-Prantl(5) this genus is included in honaria, and we are 
following de Toni in placing it in a separate genus. 
I. Bangiales. RHODOPHYCEAE. 
1. Bangiaceae. 
Porphyra vulgaris, Ag. 
Sea Point. (Also recorded from Robben Island, lable Bay, Kalk Ba\ . 
Barton (l).) 
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