75 



shows a pyriform sporangium of a specimen from 

 New Providence collected by the late Baron H. 

 Eggers. 



Batophora Oerstedi in the Danish West Indies 

 has hitherto only been found in Krause's Lagoon 

 on the south side of St. Croix were it was first, 

 detected by 0rsted; later on specimens were 

 sent me by Mr. 0. Hansen Ganneskov, St. Croix, 

 no locality stated, but most probably from Krause's 

 Lagoon, and finally I have myself found it there. 

 It was growing in the westerly part of the lagoon Oerstedi J. Ag. 

 in abundance but in a very restricted domain on (Abou1;"fu^-l^ 

 roots of mangroves and on old pieces of branches 

 etc. lying on the soft muddy bottom ; the water was quite shal- 

 low and unclear. 



Geogr. Distrib. West Indies, Florida. 



Fig. (iO. 

 Batophora 



Subfam. 3. AcefabulaHcw, 



Acetabularia Lamouroux. 



As pointed out in my earlier paper, 1. c. p. 274 — 5 I am of 

 opinion that the name Acetabularia has to be maintained and not 

 replaced by Acetabulum as Kuntze and Howe following him 

 has done. Compare also »Actes du 1 11'"'^ Congres International 

 de Botanique«, Bruxelles 1910, Vol. 1, p. 108. 



Acetabularia Calicuhis Quoi et Gaimard. 



Quoi et P. Gaimard: Zoologie, Voyage autour du Monde execute sur 

 les Corvettes I'Oranie et la Physicienne (Freycinet), Paris 1824, p. 621, 

 p anche 90, figs. 6 et 7. Harvey, Phycologia Australica, Vol. V, PI. 249. 

 H. Solms-Laubach, Monograph of the Acetabularieee (Transactions of the 

 Linnean Society, Second Series, Vol. V, Botany, London 1895 — 1901). Bor- 

 GESEN, 1. c, 1908, p. 275. 



Acetabularia Suhrii Solms, 1. c. p. 25. 



I have referred to this species a smaller Acetabularia which I 

 collected in quantities along the shores of St. Croix. It seems in 

 the main to agree well with the description of Solms-Laubach 

 and at the same time it seems to me to be like specimens of this 

 species I have seen in the British Museum of Natural History, 

 London, from Fremantle, W. Australia (Bowerbank) and which 

 are regarded by Solms-Laubach as correctly named. As Solms 

 points out (1. c), the original specimens of this species seem to 



