292 Botanical Meetings. [zoE 



Comparative Study of the Structure and Function of the Sporangia of 

 Perns in the Dispersion of vSpores, by G. F. Atkinson. 



The Solandi Printing applied to Botanical Work, by Byron D. Halsted. 



Present Aspects of the Nomenclature Question, b}' N. L. Britton. 



Lichens of the Black Hills, by T. A. Williams. 



The Bibliography of American Botanical Literature, by J. Christian 

 Bay. 



Notes on the Development of Maiaitia Doug/asii, by Douglas H. 

 Campbell. 



The fructification o{ Juniperus, by John G. Jack. 



The Roots of Orchids, by M. B. Thomas. 



Preliminary Notes on some Chromogenic Bacteria of the Ames Flora, 

 l)y L. H. Pammel. 



Further Observations on the Fermentation Tube with special Reference 

 to Anserobiosis, Reduction and Gas Production, by Theobald Smith. 



Two new and destructive Diseases of Cucurbits, by Erwin F. Smith. 



Preliminary Statement concerning Botanical Laboratories and Instruc- 

 tion in American Universities and Colleges, by Conway MacMillan. 



On the Quantitative Analj-sis of the Colors of Flowers and Foliage, by 

 J. H. Pillsbury. 



The minute Structure and Development of the Motile Organ in the 

 Leaf of the Red-bud, by S. G. Wright. 



The Shrinkage of Leaves in drying, by Byron D. Halsted. 

 Distribution of the Gramineae in the United States, by S. M. Tracy. 

 A Consideration of Species based on the Theory of Evolution, by N. L. 

 Britton. 



A Revision of the Genus Pkyscomitrinm, by Elizabeth G. Britton. 



Deviation in Development due to the use of Unripe Seeds, by J. C. 

 Arthur. 



The principal Diseases of Citrus Fruits now being studied at Eustis, P^la. , 

 ty W. T. Swingle. 



Cephahirus niycoidea and Phyllosiphon sp., two Parasitic Algae, new to 

 North America, by W. T. Swingle. 



An Analysis of the Conditions afifecting the Distribution of Plants, by 

 Frederick V. Coville. 



A Sclerotium Disease of Plants, by P. H. Rolfs. 



Notes on Rxstelia pyrata, by L. H. Pammel. 



Crossing of Cucurbits, by L. H. Pammel. 



A case of poisoning by the Wild Parsnip, Cictita macidata, by L. H. 

 Pammel. 



Ulota Americana, Mitten, and Orthotrichum Americanum, Beauv., by 

 Elizabeth G. Britton. 



