THE FRESH-WATER ALGJE OF THE LEEDS 

 DISTRICT. 



By W. Barwell Turner, 

 pres. micro. section, leeds naturalists' club. 



ABBEEVIATED LOCALITIES. 



A. B. 



R. 



Md. 



F. 



C. 



P. 



L. 



Adel Bog. 



Eoundhay. 



Meanwood. 



Famley. 



Chapel Allerton. 



Potternewton. 



In Leeds Town. 



Mn. 



Be. 



K. 



H. 



Ht. 



S. M. 



Moortown. 



Bramhope. 



KirkstaU. 



Headingley. 



Hunslet. 



South MUford. 



Common species are so indicated. 



a. LEMANIE^. 



Lemania fluviatilis, near Harrogate 

 and Shipley Glen. 



/3. BATRACHOSPERME^. 



Batrachospermum moniliforme, M. 



B. vagum, K. 



y. CHCETOPHORACE^. 



Choetopliora elegans, R., A. 

 Draparnaldia plumosa, A. B. 

 D. glomerata, R. 

 Coleochoete scutata, A. B. 



d. CONFERVACE^. 



Conferva floccosa, C. 

 Ulothrix mucosa, Be, R., A.B. 

 Cladophora glomerata, Mn. 



C. crispata, common 

 Stigeoclonium protensum, F. 



€. ZYGNEMACEiE. 



Zygnema cruciata, Br. 

 Z. Ralfsii, Br., A.B. 

 Spirogyra communis, A.B. 

 S. quinina, R. 

 S. nitida, A.B., Be. 

 S. pellucida, Ht. 

 Zygogonium ericetorum, Be. 

 Mesocarpus scalaris, R. 

 Staurocarpus gracilis, Horsforth. 

 Rhynchonema (?) R. 



CEDOGONIACE^. 



CEdogonium vesicatum, Be. 

 <E. Brauniij A.B. 



CEdogonium ciliatum. Be. 

 CE. tumidulum. Be, A. 

 Bulbochoete setigera, A.B. 



77. SIPHONACE^. 



Vaucheria sessilis, A.B. 

 Y. geminata, H. 

 y. racemosa, Md. 



6. OSCILLATORIACEJE. 



Oscillatoria tenuis, P. 



0. autumnalis, H., Be, C. 



O. nigra, P. 



Scytonema mychrous, Ingleton 

 Spirulina oscillarioides, Br. 

 Lyngbya concinnata, P. 

 L. niuralis, R. 

 Rivularia atra, R. 

 Leptotlirix ochracea, Ht. 

 Bacterium \ jj^^^^^^ ^^^^^^ ^.^^ 

 Bacillus this order, but the 



Vibrio V genera and their 



Spirillum position are in 



Spirochoete J ^^^P^^^ 



I. NOSTOCHACE^. 



Nostoc commune, Knaresborough 

 N. sphoericum, Ingleton 



K. ULVACE^. 



Ulva crispa, L. 

 Monostroma bullosum, R. 

 Schizogonium murale, R. 

 Enteromorpha intestinalis, Garf orth 



