Vol. 2 June, 1902 No. 6 



TORREYA 



A Monthly Journal of Botanical Notes and News 



EDITED FOR 



THE TORREY BOTANICAL CLUB 



BY 



MARSHALL AVERY HOWE 



JOHN TORREY, 1796-1873 



CONTENTS 



The Origin of Species by Mutation [continued): D. T. MacDougal 81 



Our yellow Lady's-Slippers : P. A. Rydberg.. .,, 84 



The Bracket Fungi: L. M. Underwood.. 87 



Shorter Notes 



An interesting Irregularity in a Rose Flower: Francis E. Lloyd 90 



Notes on a Long Island Moss: E. G. Britton 91 



Proceedings of the Club: S. H. Burnham 92 



Fourth of July Excursion of the Club 93 



News Items 94 



Published for the Club 



At North Queen Street, Lancaster, Pa. 

 by The New Era Printing Company 



