Vol. 3 August, 1903 No. 8 



TORREYA 



A Monthly Journal of Botanical Notes and News 



EDITED FOR 



THE TORREY BOTANICAL CLUB 



MARSHALL AVERY HOWE 



JOHN TORREY, 1796-1873 



CONTENTS 



An Apparatus for determining Gas Interchange in a small Space : H. M. 



Richards 113 



Hexalectris aphyllus, a true Saprophyte : Winifred J. Robinson n6 



Some Plants of southeastern Virginia and central North Carolina : Roland 



M. Harper 120 



A Key to the North American Species of Pluteolus : F. S. Earle 124 



Reviews : 



Small's Flora of the Southeastern United Sta'es : C. D. Beadle. 125 



News Items 127 



Published for the Club 



At North Queen Street, Lancaster, Pa. 

 by The New Era Printing Company 



