Vol. 19 May, 1919 No. 5 



TORREYA 



A Monthly Journal of Botanical Notes and New& 



EDITED FOR 



THE TORREY BOTANICAL CLUB 



BY 



NORMAN TAYLOR 



JOHN TORKEY, 1796-1873 



CONTENTS 



A New Riccia from Peru: Alexander W.Evans 85 



What is Ecology: H. A. Gleason 89 



A New California Cypress: L. R. Abrams 92 



Reviews: 



Macfarlane's Causes and Course of Organic Evolution: C. Stuart Gager 93 



The Swiss League for the Protection of Nature: E. G. Brixton 10: 



Proceedings of the Club 102 



News Items. ' 105 



Published for the Club 



At 41 North Qubek Stkeet. Lancastbr. Pa 



BY The New Era Pkinttkc CoirrA?n- 



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



