* 



94 west: additions to the alce of west Yorkshire. 



Spirogyra flavescens (Hass.) Cleve. Grassington; Austwick. 



Roundhay ; W. B. Turner. Rombald's Moor ; Baildon ; 



W. and G. S. West. 

 Spirogyra weberi Kiitz. Keighley. 

 Zygogonium ericetorum DeBary. Var. aquaticum. Keighley. 



Sub-Fam. ll.-MESOCARPE.E. 



Mesocarpus parvulus (Hass.) DeBary. Wigton Moor. Adel 



Bog j Rombald's Moor j W. and G. S. West. 

 *Var. angustus Hass. Sedbergh. Adel Bog; Baildon; W. and 



G. S. West. Penyghent ; G. S. West. 

 Mesocarpus scalaris (Hass.) DeBary. Near Keighley ; 



Frizinghall. Marley ; G. S. West. 

 Mesocarpus recurvus Hass. Baildon ; W. and G. S. West. 

 Mesocarpus pleurocarpus DeBary. Penyghent ; G. S. West. 

 Staurospermum gracillimum (Hass.). Rombald's Moor; 



W. and G. S. West. Penyghent ; G. S. West. 

 Staurospermum viride Kiitz. Austwick. 



Order IV.— NEMATOPHYCE.F. 

 Fam. III.— CONFER VA CE.E. 



Microspora fugacissima Ag. Grassington ; Sedbergh ; Ingle- 

 borough. Rombald's Moor; Adel Bog; W. and G. S. West. 



Microspora floccosa Ag. Near Keighley. Adel Bog ; W. and 

 G. S. West. Penyghent ; G. S. West. Nab Wood. Ilkley, etc. 



Conferva fontinalis Berk. Adel Bog ; Rombald's Moor ; 

 W. and G. S. West. 



Conferva tenerrima Kiitz. Grassington. Penyghent; G. S. West. 



Conferva bombycina Ag. Ingleborough ; Beamsley Beacon ; 

 Adel Bog ; W. and G. S. West. 



Cladophora glomerata Kiitz. Near Keighley. Penyghent; 

 G. S. West. 



Fam. V. — (EDOGONIA CEsE. 



^CEdogonium rothii Prings. Near Bradford. 

 Bulbochcete setigera Ag. Yeadon Dam. Rombald's Moor; 

 W. and G. S. West. 



Fam. W.— ULOTRICHE.E. 



Hormiscia moniliformis Kiitz. Ingleborough. Baildon ; 

 W. and G. S. West. 



Naturalist, 



