the algae of bermuda. 53 



Family DASYCLADACEAE. 

 AcETABULARiA Lamouroux. 



A. CRENULATA Lamouroux, 1816, p. 249; Harvey, 1858, p. 40, 

 PI. XLII. A; Collins, 1909, p. 378, fig. 131; P. B.-A., No. 1908. 

 St. George's, Kemp; Achilles Bay, June, Harrington Sound, Oct., 

 Hervey; Fairyland, July, Harrington Sound, Aug., Collins. Com- 

 mon, at least during summer and autumn, on rocks and pebbles in 

 shallow water, also brought up by dredge from about 5 meters off 

 Spanish Point. Ripe aplanospores were found in plants from Fairy- 

 land, distributed as P. B.-A., No. 1908. At this station it covers the 

 bottom in patches many meters square, just below the low water level. 



AcicuLARiA d'Archiac. 



A. ScHENCKii (Mob.) Solms, 1895, p. 33, PI. IH, figs. 4, 9, 11, 12, 14, 

 15; Collins, 1909, p. 380; Acetahularia Schenckii Mobius, 1889, p. 318, 

 PI. X, figs. 8-12. Hungry Bay, in the tidal stream under the man- 

 groves, June, Howe. Resembling Acetahularia crenulata, but with 

 disk usually smaller, stipe shorter and stouter. It probably occurs 

 in other stations, but has been overlooked on account of its resemblance 

 to the more common plant. 



Neomeris Lamouroux. 



N. ANN0LATA Dickie, 1874, p. 198; Howe, 1909, p. 87, PI. I, fig. 2; 

 ColUns, 1909, p. 382, fig. 143; P. B.-A., No. 1909; Borgesen, 1913, 

 p. 71, figs. 55-57; N. Kelleri Vickers, 1908, p. 28, PI. XLVI. In 

 shallow water on rock and especially on small stones, and dredged in 

 18 meters. Faxon; Miss Wilkinson; White Island, June, Howe; Ely's 

 Harbor, July, Harrington Sound, Aug., Collins; Harrington Sound, 

 Oct., Nov., Hervey. Probably to be found in quiet shallow water 

 everywhere in the islands; other species of Neomeris, equally common 

 in the West Indies, have not been noticed here. 



Dasycladus Agardh. 



D. CLAVAEFORMis (Roth) Agardh, 1828, p. 16; Collins, 1909, p. 383; 

 P. B.-A., No. 1868; Conferva clavaeformis Roth, 1806, p. 315. Cooper's 



