BOTANICAL TRANSACITONS OF 



THE YOKKSIURE NATURALISTS' UNION. 



VOL. 5. 



T H E 



ALGA^FLORA OF YORKSHIRE 



A COMPLKTE ACCOUNT OF THE KNOWN 



FRESHWATER ALG.4^: OF THE COUNTY, 



WITH MANY NOTES ON 



THEIR AFFINITIES AND DISTRIBUTION. 



W. WEST, F.L.S., 



President of the Yorkshire Naturalists' Union, 1890 ; 



ANU 



G. S. WEST, B.A., AT^.C.S., 



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



Professor of Natural History at the Royal Agricultural College, 



Cirencester. 



LEEDS : 



I'UltLISIIED 1-OK IHE YORKSHIKE NATURALISTS' UNION 

 BY TAYLOR BRdS., PRINTERS, SOVEREIGN STREET. 



I 90 I . 



