Botanical ©agette 



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VoU XXXIV, No. 3 



18 Shillings 6 pence. 



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Issued September 25, 1902 



CONTENTS 



THE RISE OF THE TRANSPIRATION STREAM : AN HISTORICAL AND CRITICAL 



DISCUSSION. Contributions from the Hull Botanical Laboratory. XXXVIII 



(with one figure). Edwin Bingham Copeland - - - - 



A REVISION OF THE GENUS NEMOPHILA (with plates ii-v). Harl'ey P. Chandler 

 THE EVOLUTION OF THE VASCULAR TISSUE OF PLANTS (with seven figures). 



W. C. Worsdell ---....... 



r 



BRIEFER ARTICLES. 



Suggestions on the Classification of Seeds. Comvay MacMillan - - 



The Sensitive Plant as a Weed in the 



Fair child - - 



CURRENT LITERATURE. 



MINOR NOTICES - - - - 



NOTES FOR STUDENTS 



OPEN LETTERS - - . . 



^EWS - - . . 



161 



194 



2f6 



224 



Tropics (with one figure). David G. 



228 



231 



234 



246 



247 



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