Vor. 30 - MARCH, 1903 
BULLETIN 
TORREY BOTANICAL CLUB 
EDITOR 
JOHN HENDLEY BARNHART 
ASSOCIATE EDirors 
NATHANIEL LORD BRITTON DANIEL TREMBLY MACDOUGAL 
TRACY ELLIOT HAZEN “WILLIAM ALPHONSO MURRILL 
MARSHALL AVERY HOWE - HERBERT MAULE RICHARDS. 
- ANNA MURRAY VAIL 
CONTENTS 
Studies in Plant Hybrids: The Spermato- . | Species of Vincetoxicum from Alabama 
genesis of Hybrid Cotton (PLATES 7, 3): | (PLatEso, 10): duna Murray Vail . , 178 
Ti iiigm Austin Cannon... , 133 | Anew Species of Waldsteinia from Idaho: 
~*tmothy Field Allen (Portrait); W. L. Ci Pate ee ee 180 
Britton. i ae ee ae oa 173. | InpEx TO RECENT LITERATURE RELATING — 
udies in the Asclepiadaceae—VII. A new } 70 AMERICAN BOTANY . +... wea 
PUBLISHED FOR THE CLUB 
“Tue New Era PRINTING COMPANY 
Lancasrer, Pa. 
