ANNALS 





OF THE 



ROYAL BOTANIC GARDEN, CALCUTTA 



Vol. VI 





i. 



THE CAUSES OF FLUCTUATIONS IN TURGESCENCE IN THE 





MOTOR ORGANS OF LEAVES. 



NEW AND PARASITIC SPECIES OF CHOANEPHORA. 



By 



' 



D. D. CUNNINGHAM, M.B., F.R.S., CLE., 



Brigade Surgeon-Lieutenant-Colonel, Bengal Army 



II. 



FRESH-WATER ALGJ] FROM BURMA, INCLUDING A FEW 



FROM BENGAL AND MADRAS 



> 



By 



W. WEST, F.L.S., and G. S. WEST, M.A., F.L.S 



CALCUTTA: 



Printed, at the Bengal Secretariat Press 



too. Bot. Garde 



1909 



6061 



mien "ioa T >T 



