348 



BOTANICAL GAZETTE 



[NOVEMBER 



The rudiments of these structures begin to develop very soon 

 after the beginning of growth of the terminal bud in the spring, the 



Figs. i-6. — Longitudinal sections of young buds: fig. i, young vegetative shoot 

 with bud rudiment in a.Kil of young leaf; fig. 2, vegetative bud with conical apex; fig. 3, 

 staminate bud with broadened apex; fig. 4, ovulate bud, showing vegetative tip (to 

 left) and rudiment of ovulate strobilus in axil of scale; fig. 5, young staminate strobi- 

 lus, showing primordia of stamens and tip of axis; fig. 6, young staminate strobilus with 

 primordia of sporophylls, axis apex not evident; X36. 



rudiments appearing as conical projections in the axils of young 

 By the middle of June these axillary structures have 



leaves (fig. i). 



