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The fertilizing cell, its varying form and behavior by Nelly Peery, 1890

The fertilizing cell, its varying form and behavior by Nelly Peery, 1890, Page 75

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[page]73[/page] [sideways table: 5 columns] Plants observed | Size of Cell | Hours of Germ. | Fertilizing Agent | Remarks -------------------------------- Epigea repens. | 14-16m.m. | 4 | bumble bee | Pollen consists of four spheres grouped together and communicating through the wall of the mother cell does not seem to persist. The surface is smooth, wall thin. See Pl [?IIX?IX?] fig. 2 and 3. Almost every pollen grain germinates and often there are as many as four tubes, each of which contain several nuclei. Usually
 
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