— 901 — 
The specimens are provided with tetraspores (exteriore latere 
ramulorum prorumpentibus). 
Off Tung Kaben, in 6 fathoms water (mud). 
Area: Mediterranean; Atlantic; Australia? 
58. ¢. Kiitzingianum Grun. Alg. Samoa, Fidji Isl. p. 9. — Gon- 
groceras subtile Kg. Tab. phyc. XII. t. 2 (non Ceramium subtile Ag.). 
Fragments of this species, one of the finest and most delicate of 
the genus often occur epiphytically on other Algee in our material. 
Koh Chang Noi, on coral-reef in shallow water; between Koh Mesan and 
Cape Liant, in 9 fathoms water. 
Area: Samoa Isl.; N. Caledonia; Sandwich Isls. 
Spyridia Harv. 
59. §. filamentosa (Wulf.) Harv. in Brit. Fl. p. 336; J. Ag. Epic. 
p. 268. — Fucus filamentosus Wulf. Crypt. aq. p. 64. 
Koh Kahdat, in 1—2 fathoms water (coral-sand); off Koh Kam, in 10 
fathoms water (gravel). 
Area: Widely distributed in all warm and temperate Seas. 
Grateloupiaceae. 
Cryptonemia. 
60. ¢. sp. 
The little specimen is too much torn and incomplete to be deter- 
mined exactly as to species. 
Between Koh Mesan and Koh Chuen, in 15 fathoms water (stones). 
Squamariaceae. 
Peyssonnellia Decne. 
61. P. Gunniana J. Ag. Epic. p. 387. — P. rubra Harv, alg. austr. 
exsicc. Nr. 327. 
Koh Chang Noi, on coral-reef in shallow water. 
Area: Australia. 
62. P. rubra (Grev.) J. Ag. Spec. Il. p. 502. — Zonuria rubra 
Grev. in Transact. Linn. Soc. XV. p. 340. 
Between Koh Mesan and Koh Chuen, in 15 fathoms water (stones). 
Area: Mediterranean; Atlantic; Red Sea; Ceylon; Australia; Tonga Islds. 
The Corallinaceae by M. Foslie have already been published in part IT. 
of the ,Flora of Koh Chang‘, Botanisk Tidsskrift, vol. 24, fase. 1, p. 15—22. 
