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Vol. XXXIV, No. 4 



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Issued October 24, 1902 



I 



CONTENTS 



A MORPHOLOGICAL STUDY OF THUJA. Contributions from the Hull Botanical 



Laboratory. XXXLX (with plates vi-viii). fV. G. La^td - 



THE RISE OF THE TRANSPIRATION STREAM: AN HISTORICAL AND CRITICAL 



DISCUSSION. Contributions from the Hull Botanical Laboratory. XXXVIH 



Rdwin Bingham Copeland -- 



w 



SOME NOTES ON THE ECOLOGY OF THE DELAWARE COAST. Contributions 



FROM THE Hull Botanical Laboratory. XL (with map and ten figures). 



Laetitia Af, Snow - - - - - - - - -?- 



BRIEFER ARTICLES, 



A New Western Camassia. /. M. Greenman -.---- 

 CURRENT LITER A TURE. 



BOOK REVIEWS - - - 



Vegetation der Erde 



minor motices ---..----- 



NOTES FOR STUDENTS --.-.,--. 



I^RWS - - - . . ... 



249 



260 



284 



307 



309 



310 



3^1 



319 



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