Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 367
A. Sexual generation of CEdogonium ciUatum:—1, filament with two oosporesin process of formation, the lower one having two androspores attached to itsexterior, the contents of the upper one in the act of being fertilized by theentrance of an antherozoid set free from the interior of its androspore…
Microscopy · Biology
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