TABLE OF CONTENTS 



The morphology and cytology of the aecidium cup 



(with plates I and II and eight figures) - F. D. Fromme 



Investigations on the phylogeny of the Angio- 

 sperms (with plates III-V and three figures) 



Irving W. Bailey and Edmund W. Sinnott 



The anatomy of six epiphytic species of Lycopo- 

 dium. Contributions from the Hull Botanical 

 Laboratory 189 (with twenty-eight figures) - J. Ben Hill 



A study of the germinating power of seeds (with 

 eighteen figures) 



M . L. Darsie, Charlotte Elliott, and George J. Peirce 



The development of the embryo sac in the Con- 



vallariaceae (with plates VI and VII) - F. McAllister 



Comparative morphology of some Leguminosae. 

 Contributions from the Hull Botanical Lab- 

 oratory 190 (with plates VIII-XI) - - John 2V. Martin 



Contributions to the anatomy of Mesozoic Conifers. 

 No. 2. Cretaceous lignites from Cliffwood, 

 New Jersey (with plates XII-XV) - - Ruth Holden 



Quantitative criteria of antagonism (with four 



figures) - - - - - - - - W.J.V. Osterhout 



Evaporation and soil moisture in relation to the 

 succession of plant associations. Contribu- 

 tions from the Hull Botanical Laboratory 191 

 (with twenty-seven figures) - George D. Fuller 



On certain peculiar fungus-parasites of living insects 



(with plates XVI-XIX) - . Roland Thaxter 



Thermotropism of roots. • Contributions from the 

 Hull Botanical Laboratory 192 (with 

 figures) -------- Sophia Eckerson 



Oogenesis in Hormosira. Contributions from the 

 Hull Botanical Laboratory 193 (with plate 3 

 and seven figures) ------ M. R. Getman 



The measurement of antagonism (with three 



figures) W.J.V. Osterhout 



V 



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