x ty oO eee 
i 
ay Monthly Journal of Botany 
Edited and Published by A. A. Heller 
uf nl 
CONTENTS: 
A Flowering Season in the Mountains of Arizona: J. C. Blumer 77 
Is Spiraea pyramidata a Hybrid: A. A. Heller 81 
Compilations—Observations sur la Vegetation de I’Ile de Sitcha — 82 
The Generic Name Centaurium: A. A. Heller 85 
Editorial 87 
Reno, Nevada 
