\lpm 
tol. IX. JUNE, 1922 No. 6 
AMERICAN 
OURNAL OF BOTANY 
OFFICIAL PUBLICATION OF THE 
BOTANICAL SOCIETY OF AMERICA 
CONTENTS 
CiMnparative studies on respiration XXI. Acid formation and decreased production of CO2 due 
to ethyl alcohol . Marian Irwin and Margaret Weinstein 277 
A new species of Spirogyra with unusual arrangement of the chromatophores. Mabel L. Merriman 283 
The male receptacle and antheridium of Reboulia hemisphaerica . . A. W. Dupler 285 
The meiotic cytokinesis of Nelumbo . Clifford H. Farr 296 
Comparative studies on respiration XXII. The effect of lactic acid on the respiration of wheat 
f Edith Philip Smith 307 
The effect of transpiration on the absorption of salts by plants .... Walter C. MueNscher 311 
Prairie inclusions in the deciduous forest climax . Herbert C. Hanson 336 
PUBLISHED 
IN COOPERATION WITH THE BOTAlSriCAL SOCIETY OF AMERICA 
BY THE 
BROOKLYN BOTANIC GARDEN 
At Prince and Lemon Sts., Lancaster, Pa. 
LONDON agents 
WHELDON AND WESLEY, Ltd. 
28 Essex Street, Strand, London, W. C. 2 
Eutared m s«oond-daM matter February 21, 1914, at th« poet officcat Lancaater. Penntylvania, 
under the act ot March j, 1(79 
