liOTANICAL TKANSACTIONS OV 



THE YOUKSIIIKE NATURALISTS' UNION. 



VOL. 5. 



THE 



ALGA-FLORA OF YORKSHIRE 



A COWPLKXK ACCOUNT OF THE KNOWN 



FRESHWATER ALG/E OF THE COUNTY, 



WITH MANY NOTES ON 

 THEIR AFFINITIES AND DISTRIBUTION. 



/ liY 



W^WEST, F.L.S., 



President of the Yorkshire Naturalists' Union, iSgg ; 



tT AND ' ^ 



G<*?~^J<>''\VEST, B.A., A.R.C.S., 



^>^, 



Hutchinson Research Student, and formerly Scholar of St. John's College, Cambridge; 



Professor of Natural History at the Royal Agricultural College, 



Cirencester. 



LEEDS : 



PUULISIIED FOR THE YORK.SHIRE NATURALISTS* UNION 

 BY TAYLOR BROS., PRINTERS, SOVEREIGN STREET. 



I 90 I . 



