Fig.1.13. Psilotum nudum. A-F, successive stages in the development of antheridium; G, sectional view of an early mature antheridium; H, immature antherozoids; I, mature antherozoid (spermatozoid).

Psilotum nudum

Fig.1.13. Psilotum nudum. A-F, successive stages in the development of antheridium; G, sectional view of an early mature antheridium; H, immature antherozoids; I, mature antherozoid (spermatozoid).

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