Vol. 4 November, 1904 No. 11 



TORREYA 



A Monthly Journal of Botanical Notes and Nkws 



KDITED KOrt 



THE TORRE Y BOTANICAL CLUB 



BY 



MARSHALL AVERY HOWE 



JOHN TORRKV, 1796-1873 



CONTENTS 



Two hitherto confused J^pecies of Ludwigia : Roland M. Haktkk i i 



A Key to the perennial Polyporaceae of temperate North America : ^\ ii mam 



A. MuRRii.i 165 



Additional Notes on southern Illinois Plants: II. A. Gi.kasun 167 



Shorter Notes : 



Hymenoxys insignis : T. I). A. COCKERELL.,.. 170 



Rynchospora Pringlei Greenman : N. L Britton . 170 



Notes on Cuban Plants: J. A. Shaker 170 



A peculiar Pea Seedling: A. J. Grout 171 



Anew Bahaman Euphorbia: C. F. Mli.l^PAl'GH 172 



The Effect of illuminating Gas on Trees and Shrubs : i:.i.i/.ABtxii- G. 



Bkition 172 



A Name explained: Edw. L. (Irkenk 17.^ 



Exogenous Origin of Antheridia in Anthoceros : M\ksiiaii A. H<^\vk. v ... 175 



News Items i7'' 



Published for the Club 



At North Qubbn Strkkt. Lancastrr, Pa. 

 tiv The Nbw Eka PRimriNG CoMrANv 



