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Zea Mays by Herbert M. Prouty, 1886

Zea Mays by Herbert M. Prouty, 1886, Page 84

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69 1. A longitudinal section of style with trichome, showing pollen tube (a) from pollen grain (b) entering the trichome. 2. Same as 1 with pollen tube penetrating the trichome.
 
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