VOL. 33 AUGUST, 1906 NO. 8 



BULLETIN 



OF THE 



TORREY BOTANICAL CLUB 



€&itor 



John Hendley Barnhart 



dissociate <6t>itor£ 



Alexander William Evans William Alphonso Murrill 



Tracy Elliot Hazen Herbert Maule Richards 



Marshall Avery Howe Anna Murray Vail 



CONTENTS 



Worth American species of Peridermium. 



JOSEPH CHARLES ARTHUR and FRANK DUNN KERN 403 



Notes on Uarex — I KENNETH KENT MACKENZIE 439 



Two new southwestern species of Pentstemon LE ROY ABRAMS 445 



INDEX TO AMERICAN BOTANICAL LITERATURE 447 



PUBLISHED FOR THE CLUB 



THE NBW ERA PRINTING COMPANY 



