THE FLORA OF HALIFAX. 



2 33 



VAUCHERIACE^J. 



Yaucheria sessilis, (Vauch.), DC. Ogden Clough. 

 Y. terrestris, Lyngb. 1868. Grimescar — T. P. Hobkirk. 

 1892. Cromwell Bottom ! Pick wood Scar, Norland ! 



VOLVOCINE^l. 

 YoIyox aureus, Ehrnb. 1887. Park Gate Pond — T.C. ! 

 Tetragonium lacustre, West and G. S. West. Shelf. 



PALMELL ACE M . 



Rhaphidium polymorphum, Fresen. 



Var. falcatum, (Corda) Rabh. 1888. Catty Well! 



Characium heteromorphum, (Reinsch). Greetland. 

 Tetraspora lubrica, (Roth.) Ag. Greetland. 

 Botryococcus Braunii, Kutz. Cragg Vale. 

 Stichococcus dissectus, Gay. Swill Hill. 

 Pleurococcus vulgaris, Menegh. Common on wood, etc. 



MYXOPHYCE.-E. 



NOSTOCEiE. 



Nostoc commune, Vauch. Salterhebble ! 

 Nostoc microscopicum, Carm. Halifax. 

 Anabaena laxa, (Rabh.) A. Braun. Cragg Vale. 

 Cylindrospermum majus, Kiitz (C. macrospevmum, Rabh.) 

 1888, In blue-black gelatinous masses on shale, Bn. CI. ! 



LYNGBYEJE. 



Phormidium tenue, (Menegh.) Cragg Vale. 



P. Corium, (Ag.) Cragg Vale. [J.W.S. 



P. autumnale, (Ag.) (Oscillatoria antilavia, Mart.) Norland— 



Oscillatoria irrigua, Kiitz. Near Halifax. Colden Clough. ! 



0. tenuis, Ag. Halifax. 



0. amphibia, Ag. (O. tenevvima, Kutz.) Bn. Cl.—J.W.S. ! 



CHROOCOCCACEJE. 



Aphanothece microscopica, Nag. Ogden Clough. 

 Synechococcus major, Schroter. Ogden Clough. 

 Merismopedia glauca, (Ehrnb.) Nag. Greetland. 

 Gomphosphaeria aponina, Kutz. Callis Wood ! 

 Gloeocapsa caldariorum (Suring.) Rabh. 



1902. On flower-pots, etc., greenhouse, Wellhead. 

 Porphyridium cruentum, (Ag.) Nag. Shelf. E.P.W. ! 

 Chroococcus minor, (Kiitz.) Nag. Ogden Clough. 

 C. helYeticus, Nag. Ogden Clough. 



BACILLARIEM. 



CYMBELLE^E. 

 Cymbella cuspidata, Kiitz. Greetland, Swill Hill, Ogden 

 Clough, Cragg Vale. 



