. Dedication papers : scientific papers presented at the dedication of the laboratory building and plant houses, April 19-21, 1917. M ^ T ir\. ISSUED JULY 6, 1918BROOKLYN, N. Y., U. S. A. .P42. PRESS OF THE NEW ERA PRINTING COMPANY LANCASTER, PA. PREFACE • The papers contained in this voUime were presented on April 20-21, 1917, either in person or by title, at the Scientific Program, whichformed part of the Dedication Exercises on the occasion of the com-pletion of the Laboratory Building and Plant Houses of the Brook-lyn Botanic Garden. Orland E. White,Edgar W. Olive,Alfred Gundersen,Publicat
. Dedication papers : scientific papers presented at the dedication of the laboratory building and plant houses, April 19-21, 1917. M ^ T ir\. ISSUED JULY 6, 1918BROOKLYN, N. Y., U. S. A. .P42. PRESS OF THE NEW ERA PRINTING COMPANY LANCASTER, PA. PREFACE • The papers contained in this voUime were presented on April 20-21, 1917, either in person or by title, at the Scientific Program, whichformed part of the Dedication Exercises on the occasion of the com-pletion of the Laboratory Building and Plant Houses of the Brook-lyn Botanic Garden. Orland E. White,Edgar W. Olive,Alfred Gundersen,Publication Committee CONTENTS Page Atkinson, Geo. F. The genus Endogone i Blakeslee, a. F., and B. T. Avery, Jr. A vegetative reversion in Portulaca i8 Britton, N. L. The flora of the American Virgin Islands 19 Burns, George P. Weather conditions and phint development. 119 Cook, Mel T. Modern applications of botany 123 Dodge, B. O. Studies in the genus Gymnosporajigiiim—I. Noteson the distribution of the mycelium, bufTer cells, and the germination of the aecidiospore 128 East, E. M. Intercrosses between self-sterile plants 141 Harper, R. A
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectplants, bookyear1918
