I02 



JVes't : Algcc fi'Dm Ansfwick Moss. 



Microspora abbreviata (Rabenli.) 

 Lagerli. 



floccosa (Vauch.) Tiiiir. 

 ]\Iicrothamnion Kutzingianum Nag. 

 Moiigeotia viridis (Kiitz.) Wittr. 

 Zygner.ia ericetorwn (Kiitz.) Hansg. 



several barren species 

 Spirogyra, several barren species 

 Cylindrocystis Brehissonii Menegli 

 Netriiim Digitus (Ehrenb.) Itzigsh- 

 and Rothe. 

 inteyriiptum (Breb). Liit- 

 kem. 



Closteriimi Cynthia De Not. New 

 to Yorkshire 

 ,, costatum Corda. 



striolatum Ehrenb. 

 juncidum Ralfs. 

 Dianae Ehrenb. 

 parvulum Nag. 

 Jenneri Ralfs. 

 Venus Kiitz. 

 Leibleinii Kutz. 

 Lunula (Miill.) Nitzsch. 

 ' ,, gracile Breb. 



Kutzingii Breb. 

 Pleui'otcsnium Ehrenbevgii (Breb.) 



De Bary. 

 Tetmemorus Icevis (Kiitz.) Ralfs. 

 Eiiastrum oblongum (Grev.) Ralfs. 

 ansatuni Ehrenb. 

 bidentatum Nag. 

 binale (Turp.) Ehrenb 

 f. Gutwinskii Schmidle. 

 New to Yorkshire. 

 Euastvum pectinatum. Breb. 

 „ ansatum Ralfs. 



verrucosum Ehrenb. 

 dubium Nag. 

 Micrasterias tvuncata (Corda) Breb. 

 papillifeva Breb. 

 denticulata Breb. 

 Crux-Melitensis 

 (Ehrenb.) Hass. New 

 to W. Yorkshire. 

 Cosmari 11111 subtutnidiiiu Nordst. 



,, viavgaritifevitin (Turp.) 



Menegh. | 

 ,, Brebissouii ^Nlenegh. 



7ii(irg(irit(ititiii (Lund.) 

 Roy and Bisset ; New to 

 Yorkshire. 



Cosmariiini Portiainim Arch., 



tetraophthalmiini (Kiitz.) 



Menegh. 

 De Baryi Archer. 

 qiiadratiim Ralfs. 

 anceps Lund. 

 graiiatum Breb. 

 pygmcBimi' krchi:r. Ab- 

 undant. (We also have this 

 from Ingleborough, Ribble- 

 head, near Halifax, &c ) 

 Cosmnvimn difficile Liitkem. var^ 

 siiblcBve Liitkem. 



Cosmariitm Cucurbita Breb. 

 Xanthiditun fasciculatmn Ehrenb. 



New to W. Yorkshire. 

 Arthrodesmus Incus (Breb.) Has?, 



convevgens Ehrenb. 

 Staiirastrum aciculiferum (West) 



Anders. 



brevispinum Breb. 

 ciispidatum Breb. 

 furcatum (Ehrenb.) 

 Breb. 



„ Reinschii Roy. 

 teliferum Ralfs. 

 pilosum (Nag.) Archer. 

 dilatatum Ehrenb. var, 

 obtusilobum De Not, 

 punctulatum Breb. 

 hexacerum (Ehrenb.) 

 Wittr. 



inflexum Breb. 



polymorphum Breb. 



oxyacanthum Archcj-. 



ni a rga ritacenm{'Ehrenh . 

 Menegh. The tetra- 

 radiate form only. 



Hyalotheca dissiliens (Sm.) Brel\ 



mucosa (Dillw.) Ehrenb. 

 Desmidiiim aptogonum Breb. New 



to W. Yorkshire. 

 Pandorina moruin (Miill.) Bory. 

 Eudorina elegans Ehrenb. 

 Pleiirococcus vulgaris Menegh. 

 Pediastrum Boryauitui (Turp.) 



Meneg. 



Coelastruni cubiciini Niig. New to 



W. Yorkshire. 

 Sorastruui spiiiulostiiu Nag. New 



to ^^^ Yorksliire. 

 Sceiiedesunis obi/guiis (Turp.) Kiitz, 



Xatiu-alist, 



