Vol. 20 ^ May-June, 1920 No. 3 



TORREYA 



A Bi-MoxTHLY Journal of Botanical Notes and News 



EDITED FOR 



THE TORRE Y BOTANICAL CLUB 



NORMAN TAYLOR 



JOHN TORREY, 1796-1873. 



CONTENTS 



Additions to the flora of Western Oregon during 1919: J. C, Nelson ... 37 



Length of Day and flowering and fruiting 46 



Pin Oak in Nebraska: Raymond J. Pool ..... 50 



Shorter Notes : 



The Paper Mulberry an "Artillery" Plant: O. E, Jennings 52 



Reviews : 



Knowlton's Mesozoic and Cenoioic Plants of America: T, D. A. Cockerell 53 



Brown's Forest Products: Barrington Moore . 57 



Proceedings of the Club 59 



Published for the Club 



At 41 North Qvebn Stkbbt, Lancastbk, Pa. 



■T Thk New Era Printimc. Compaht 



'Entered at th« Post Office at Lancaster, Pa., as lecond-cUM matter. 



