Vol. 24 July-August, 1924 No. 4 



TORREYA 



A Bl-MONTIILY JoURiNTAL OF BOTANICAL NoTES AND NeWS 



EDITED FOR 



THE TORREY BOTANICAL CLUB 



BY 



GEORGE T. HASTINGS 



John Torrey, 1796-1873 



CONTENTS 



Swamp and Bog Plants: Iris versicolor, Frank C. Gates and Elsie Erickson 55 

 Johann David Schopff, A Pioneerof American Botanical Exploration, Adolph 



Toepffer 57 



Book Review : 



Kellogg's "Lumber and Its Uses," G. T. Hastings 58 



Proceedings of the Club 59 



News Notes 69 



Published for the Club 



At 8 West King Street, Lancaster, Pa. 

 BY The Intelligencer Printing Company 



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



