320 



MORPHOLOGY OF GYMNOSPERMS 



the rather doubtful New Caledonian genera Acmopyle and Poly- 

 podiopsis, the stamens are of the peltate type; that is, the stalk is 



Fig. 375. — Microcachrys tetragona: branch with staminate strobih; X2.2S. — 

 After Thomson (151). 



capped by a peltate expansion, from beneath which the sporangia 

 are pendent. In Taxus the sporangia are four to seven in number, 

 completely surrounding the stalk; in Torreya seven sporangia begin 

 to develop, but only the four abaxial ones mature, so that the stamen 



