25 



Cladophora crispiila was found in more sheltered places 

 in shallow water and in open sea down to a depth of about 40 m. 



It has been gathered, St. Croix: off Frederikssted, Long Point; St. 

 Jan : Off Cruz Bay. 



Geogr. Distrib. Barbados, Danish West Indies. 



6. Cladophora heteroncma (Ag.) Ktitz. 



KtiTziNG, F., Phycologia germanica, 1845, p. 210. Brand, F., Ueber 

 die Anheftung der Cladophoraceen und liber verschiedene polynesische 

 Formen dieser Familie (Beih. z. Bot. Centralbl., Bd. XVIII, Abt. 1, 1904 

 p. 177). 



Clad, fracta f. marina Hauck, Meeresalgen, p. 461. 



Hauck in his good description of this species mentions 

 CI. heteronema Kiitz. as a synonym only; but as pointed out by 

 Brand Hauck's name for this species cannot be used as Lyngbye 

 already has a Cladophora fracta marina in his »Tentamen Hydro- 

 phyt. Dan.«, p. 152. 



The form found in the Danish West Indies seems to agree 

 very well with the description of Hauck. In the main branches 

 the fdaments reach a diameter of up to 225 p. and a length of 

 12 diam. or even more, in the ramuli 30 — 60 p. 



It was growing in shallow water in sheltered places among 

 sea-grasses etc. 



St. Croix: Lt. Princess, Coakley Bay. 



Geogr. Distrib. West Indies, Brazil, Mediterranean Sea, Atlantic 

 coast of Europe etc. 



Fam.2. Valoniaceee. 



Siihfam. 1. Anadyonienew. 



Anadyomene Lamx. 



1. Anadyomene steliata (Wulf.) Ag. 



C. Agardh, Species Algarum, 1828, p. 400. 



Ulva steliata Wulfen, Cryptogama aquat., p. 6. (Romer, Archiv fiir 

 die Botanik, vol. 3, 1805). 



The ovate or reniform, in older plants more irregularly lobed 

 leaf-like thallus is fastened to the substratum by means of nume- 

 rous thick-walled rhizines growing out from the lowermost part 

 of the most vigorous cell-ribs. These most often unbranched 

 rhizines grow together to a short stalk; at its base this stalk is 

 broadened out to a small disc, as each of the rhizines of which 

 it consists divides into irregular, coralhform lobes. Walls but 



