ALG^ (exclusive of Diatomaeese). 



Abea : West Yorkshire. 



Contributors : Messrs. James Abbott, F. Emsley, Thomas Hick, 

 J. Stubbins, W. B. Turner, and W. West, contracted to A., E., H., 

 S., T., and W. 



Class 1.— CHIiOKOPHYIiIiOPHTCE.a}. 

 Order I.— COCCOPHYCE^. 



Fam. 1.—PALMELLAGEjE. 

 Plenroooccus vulgaris Menegh. Very common. 

 Gloeocystis ampla Kiitz. Goole Moor (W.). 

 Gloeocystis rupestre (Lyngb.) Rabenh. Baildon, Bingley, Horton, 



ifec, (W.)j Seven Arches (T.). 

 XTrococcus Allmanni Hass. Knaresborough. 

 Falmella Mooreaaa Harv. Leeds (T.). 

 Palmella prodigiosa Mont. Bradford (W.). 

 Porphyridium cruenttun Nag. Saltaire, Bingley, «fec. (W.). 



Common (A., E., and T.). 

 Botrydina vulgaris Breb. Penyghent, Ingleborough, Whernside, 



(fee. (W.) ; Harrogate (A., E., and T.). 

 Tetraspora gelatinosa (Vauch.). Adel (W., A., E., and T.); 



Goole (W.) ; CuUingworth (W.). 

 Tetraspora bullosa Ag. Boundhay (A., E., and T.). 

 Botryococcus Braunii Kiitz. Bradford (W.). , , 



Apiocystis Brauniana Nag. Chapeltown (A.j E., and T.). 

 Rhaphidium falcatum (Corda.). Bradford, CuUingworth, &c. (W.); 



Chapel- AUerton, Adel (A., E., and T.). 

 Rhaphidium duplex Kiitz. Moortown, Roundhay (T.) ^ 



Lictyosphserium Ehrenbergianum' Nag. Bradford (W.). 

 Hydrurus penicillatus Ag. Newsome Dean, near Keighley 



(T. Hebden). 



