JULY, 1914 
No. 7 
AMERICAN 
JOURNAL OF BOTANY 
OFFICIAL PUBLICATION OF THE 
t BOTANICAL SOCIETY OF AMERICA 
CONTENTS 
, Investigations on the Phylogeny of the Angiosperms. 1. The anatomy 
of the node as an aid in the classification of Angiosperms. 
Edmund W. Sinnott 303 
Studies of the development of the Piperaceae. II. The structure and 
seed-development of Peperomia hispidula Duncan S. Johnson 323 
A Gloeosporium disease of the spice bush... J. J. Taubenhaus 340 
The origin and development of the lamellae in Coprinus micaceus. 
Michael Levine 343 
PUBLISHED 
IN COOPERATION WITH THE BOTANICAL SOCIETY OF AMERICA 
BY THE 
BROOKLYN BOTANIC GARDEN 
At 41 North Queen Street, Lancaster, Pa. 
Entered as second-class matter February 21, 1914, at the post office at I^caster, Pennsylvania, 
under the act of March 3, 1879. 
