Clipart tagged: ‘spruce tree ovule’

"Longitudinal section through fertilized ovule of a spruce. p, pollen grains; t, pollen tubes; n neck of the archegonium; a, body of archegonium with nucleus; e, embryo sac filled with endosperm." -Bergen, 1896

Spruce Ovule

"Longitudinal section through fertilized ovule of a spruce. p, pollen grains; t, pollen tubes; n neck…

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