S70 Scientific Intelligence. 



C. 0. Townsend: The effect of an atmosphere of ether upon seeds and spores. 

 Rodney II. True: The toxic action of a certain group of compounds. 



C. L. Pollard: Types of vegetation on the keys of South Florida. 

 E.F.Smith: Potato as a culture medium, with some notes on a synthesized 



substitute. Some little used culture media which have proved valuable for species 

 differentiation. Observations on Stewart's sweet-corn germ. 



D. T. McDougal: Temperature and transportation of desert plants. 



W. Alwood: The brown spot disease of apple leaves, Phyllosticta pirma, and 

 fungus forms associated therewith. On the occurrence of a yeast, form in the life 

 cycle of Sphaeropsis malorum Peck. 



H. von Schrenk : Notes on some diseases of Southern pines. 



D. G. Fairciiild: The Botanic garden at Buitenzorg, Java. 



Charles E. Bessey : Notes on the relative infrequency of fuugi upon the Trans- 

 Missouri Plains and the adjacent foothills of the Rocky Mountains. 



Katherine E. Golden and 0. G. Ferris : Fermentation without live yeast cells. 



Katiiurine E; Golden: Deterrent action of salt in yeast fermentation. 



0. F. Cook and D. G. Fairciiild : Fungus gardening as practised by the 

 Termites in West Africa and Java. 



S. M. Babcock and H. L. Russell : The biology of cheese-ripening. 



Lillian Snyder: A bacteriological study of pear blight. 



Merton B. Waite: Life-history and characteristics of the pear-blight bacillus. 



G. E. Hicks : Effect of fertilizers on the germination of seeds. 



B. M. Duggar : Development of the pollen grain in Symplocarpus and Peltandra. 



E. J. Durand: The embryology of Taxus. 



K. M. Wiegand : Notes of some monocotyledonous embryo-sacs. Studies 

 relative to the perigynium of the genus Carex. 



J. M. Macfarlane: Observations on some hybrids between Drosera intermedia 

 and Drosera filiformis. 



E. Simons and R. E. B. McKenney : On the rapidity of circumnutation move- 

 ments in relation to temperature. 



Thomas fcL Kearney: General characteristics of the Dune flora of South- 

 eastern Virginia. Yegetation of the wooded fresh-water swamps of Southeastern 

 Virginia. 



Charles Louis Pollard : On the validity of the Genera Senna and Chamo&crista. 

 Species characters among the violets. 



W. W. Rowlee: Notes on Arctic willows. 



Edward S. Burgess: Some steps in the life history of asters. 



T. H. Macbride: The Pleistocene and plant -distribution in Iowa. 



E. B. Copeland : A self -registering transpiration machine. 



L. R. Jones: Methods of studying the sap pressure of the sugar maple. 



Rodney H. True: Notes on the physiology of the sporophyte of certain mosses. 



W. W. Rowlee and George T. Hastings: The seeds and seedlings of some 

 Amentiferas. 



P. Beveridge Kennedy : The morphology and taxonomic value of the fruits 

 of grasses. 



L H. Pammel: The caryopsis of the Graminise. The ecological distribution of 

 Colorado and Wyoming plants. 



F. William Rane : Fertilization of the muskmelon flower. Notes on destroying 

 Comptonia asplenifolia. Length of time from blossoming until seed develop- 

 ment of Leucanthemum vulgare. 



{Papers presented by the Botanical Society.) 



M. L. Fernald: Note on the influence of eskers upon plant distribution in Maine. 



K. M. Wiegand: Some peculiar features of synapsis in the pollen-mother cells 

 of monocotyledons. Is the present treatment of the species of Hijdrophylbim a 

 natural one? 



Herman von Schrenk: The future growth of Taxodium distichum. 



John F. Cowell: Progress of work on the Buffalo Botanic Garden. 



B. M. Duggar: The nucleolus during the division of the pollen-mother cells in 

 mia. 



E. J. Durand: An apparatus for washing. Material killed by certain fixtures. 



Hollis Webster: Notes on the occurrence near Boston of some fleshy fungi. 



B. M. Duggar : The influence of temperature upon Sporotrichum globuliferum. 



A.B.Seymour: North American Ustilaginece. 



