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MORPHOLOGY OF GYMNOSPERMS 



■ Fig. 274. — Pinus Laricio: Branch from top of thrifty tree, June i; the four small 

 strobili at the top are in the stage shown in fig. 280; in the strobh next below, which 

 are a year older, the archegonium initials are distinguishable (fig. 289); the strobili next 

 below, another year older, have shed their seeds; to the right is a cluster of staminate 

 strobili just ready to shed pollen. 



