1892.] Proceedings of Scientific Societies. 885 
Weeds and Weed Roots, B. D. Halstead; The Re-discovery of Juncus 
cooperi, F. V. Coville ; Some General Questions in the Classification of 
Myxomycetes, O. F. Cook; The North American Amelanchiers, 
N. L. Britton; Observations on the North American Species of 
Orchidaces and Their Nomenclature, Thomas Morong; A New Form 
of Root Cage, J. ©. Arthur; On the Genus Campylopus in North 
America (with specimens), Mrs. E. G. Britton; Note on a Recent 
Outbreak of Peach Yellows near Ann Arbor, Michigan, A. A. Crozier ; 
Some Observations on Epigæa repens W. P. Wilson. 
Tuesday, August 23.—Notes on the Moutain Flora of Northern 
Alabama, Charles Mohr; The Botanical Garden Movement in New 
York, N. L. Britton; A Few Additions to the Hepatic Flora of the 
Manual Region, L. M. Underwood; Notes Upon a Revision of the 
North American Naidacee, Thomas Morong; Some Noteworthy 
Features of the Flora of West Virginia, C. F. Millspaugh; Notes on 
Some Species of Crataegus, N. L. Britton ; Observations on the Ripen- 
ing of the Seeds of Cuphea, Mrs. H. L. L. Wolcott; On the Genus 
Ditrichium in North America, with One Western Species and Correc- 
tions for Two Eastern Species (with specimens,) Mrs. E. G. Britton ; 
Notes on Terminology, Theodore Holm; Notes on Some Fungi Com- 
mon During the Season of 1892 at Ames, Iowa, L. H. Pammel; Notes 
on Some Kansas Weeds, A. S. Hitchcock; Notes on the Flora or 
Block Island, W. W. Bailey; Notes on the Distribution of a Few 
Plants, L. H. Pammel; Phaenological Notes for 1892, L. H. Pammel. 
National Geographic Society of Washington, D. C.—The 
meetings are on Friday evenings, at 8.30. The following papers were 
read during the past season: Jan. 29, The Bryant Expeditions to 
Grand Falls, Labrador, Prof. C. A. Kenaston ; Feb. 5, A New Track 
in Alaska, Dr. C. W. Hayes; Feb. 12, Iceland, Prof. Charles Sprague 
Smith; Feb. 19, The Temples and Pyramids of Egypt, Mr. Lysander 
Dickerman; Feb. 26, Military Surveying During the Civil War: Our 
Side, Mr. Gilbert Thomson, The Other Side, Maj. Jed. Hotchkiss ; 
March 4, The Alaskan Boundary Survey, Dr. T. C. Mendenhall, Mr. 
J. E. McGrath, and Mr. J. H. Turner; March 11, The Seal Islands, 
Mr. J. Stanley-Brown; March 18, Coon Mountain, Arizona, and the 
Diablo Meteorites, Mr. G. K. Gilbert; March 25, The Evolution of 
Geography, Maj. J. W. Powell; April1, The Cruise of the “Albatross ” 
Through the Straits of Magellan, Prof. Leslie A. Lee; April 8, Russia, 
Hon. John W. Foster; April 15, The Cliff Dwellers, Mr. W. H. 
Holmes; Ocean Temperatures and Fish Migrations, Col. Marshall 
