Vol. 8 



December, 1908 



No. 12 



TORREYA 



A Monthly Journal of Botanical Notes and News 



EDITED FOR 



THE TORREY botanical CLUB 



JEAN BROADHURST 



JOHN TORREY, 1796-1873 



CONTENTS 



Radioactivity and Life: C. SiuartGager 277 



Notes on Ferns Seen during the Summer of 1908: Ralph Curtiss Benedict... 284 



The Cedar of Lebanon : Mary Perle Anderson 287 



Reviews: Urban's Symbolae Antillanae : N. L. Britton 293 



Proceedings of the Club: W. A. Murrill, Marshall A. Howe 294 



Of Interest to Teachers : 



The Camera Lucida for Class Demonstration : Robert (^reenleaf 



Leavitt 296 



News Items , 301 



Published for the Club 



At 41 North Queen Street, Lancaster, Pa. 

 BY The New Era P hinting Company 



[Entered at the Post Office at Lancaster, Pa., as second-class matter ] 



