l6o NEWS 



[august 



Recent investigations in the Pleistocene flora cf Maryland (carried out under 

 the auspices of the Maryland Geological Surve)%and presented by permission 

 of the state geologist), illustrated; J. E. Kirkwood, The embryology of the 

 Cucurbitaceae (by invitation); MiSS E. M. Kupfer, Anatomy and physiology 

 oi Baccha?'is genisielloides ; D. T. MacDougal, The relations of light and 

 darkness to growth and development; W. B. ^IcCallum, The stimulus to 

 heterophylly in Proserpinaca pahistris (by invitation); W. A. ^Iurrill, The 

 genus Ganoderma in North America (by invitation); MiSS R. J. Rennert, 

 Dimorphic structure of the phyllodes of Oxypolis fiUforr7iis {hy m.v\\?X\oxi)\ 

 P. A. Rydberg, A study of Astragalus; H. von Schrenk, A disease of 

 Catalpa speciosa ; F. L. Stevens, Mitosis of the primary nucleus of Synchy- 

 triiim decipiens (by invitation); J. J. Thoknber, A green organism found in 

 water tanks and reservoirs in Arizona (by invitation); John Torrey, The 

 cytology of the secreting epithelium of Zea Mais (by invitation) ; R. H. True, 

 Tea fermentation ; L. M. Underwood, The genus Gymnogramma, and its 

 treatment by English botanists; Miss V. S. White, The Geasters of the 

 United States (by invitation); A. F. Woods, Some disorganization products 

 of plant cells; Charles Zelemy, The dimensional relations of compound 

 leaves (by invitation). The officers elected for the ensuing year are B- T, 

 Galloway, presidejtt ; F. V. Coville, vice-president ; Arthur Hollick, 

 treasurer; D. T. MacDougal, secretary ; William Tkelease and L. M. 

 Underwood, councilors. 



