THE \l.<; \i: OF BERMUDA. '->\ 



Family PROTOCOCCACEAE. 

 Protococcls Agardh. 



*P. viridis Agardh, 1S24, p. 13; PUurococcua vulgaris Nageli, 1849, 

 p. 65, PL IV. E, fig. 2; Collins, 1909, p. 304, fig. 106. On shady side 

 of trees, walls etc., all over the island; it occurs in similar stations in 

 all temperate regions, and possibly also in tropical. Wille, 1913, p. 3, 

 PI. I, fig. 1, has pointed out the confusion that has long existed in 

 regard to this species and PIcurococcus vulgaris Meneghini, and by 

 examination of type specimens, cleared up the matter. 



Chlorocystis Reinhard. 



C. Cohnii (Wright) Reinhard, 1885, p. 4, PL I; Moore, 1900, p. 100, 

 PI. X; Collins, 1909, p. 148, fig. 35; Chlorochytrium Cohnii Wright, 

 1877, p. 367, PI. IV-V. In Ulva Laduca, Hungry Bay, April, Collins. 

 Spores, apparently the smaller kind, had been formed in some of the 

 cells. 



Family SCEXEDESMACEAE. 

 Oocystis Xageli. 



*0. Borgei Snow, 1903, p. 379, PI. II, fig. VII; Collins, 1909, p. 160. 

 Among Oedogonium Itzigsohnii, in ditch in Devonshire Marsh. 



Scexedesmls Meyen. 



*S. bijuga (Turp.) Wittrock, Xordstedt & Lagerheim, Alg. Exsicc, 

 Xo. 1567; Collins, 1909, p. 168; Achnanthes bijuga Turpin, 1828, p. 

 310, PI. XIII, fig. 4. Among Rhizoclonium hieroglyphicum in an 

 artificial reservoir near Spanish Rock, Dec, Hervey. 



Family ULOTHRICHACEAE. 

 Gemixella Turpin. 



G. scalariformis forma marina G. S. Wc^t in litt.; P. B.-A., Xo. 

 2002. Forming a floating gelatinous mass in an upper tide pool, 



