Vol. XLITI No. 2 
BoTANICAL GAZETTE 
February 1907 | 
Editors: JOHN M. COULTER and CHARLES R. BARNES porte <: 
CONTENTS iat 
_ Pollen Development in Hybrids of Oenothera lata - 
tt Lamarckiana, and Its Relation to Mutation 
Reginald Ruggles Gates 
_ Development of Ovule and Female Gametophyte in Ginkgo 
Biloba : | Ida Eleanor Carothers 
; : Morphology of Spathyema foetida 
