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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 70

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68. Staphylea trifoliata, which measured 830 m.m. A single nucleus was generally to be observed, but there were many tubes with more than one. For plants insect fertilized the average time required for germination appears to be 11.9 hours, and the average size of the cell is 14 m.m. For plants wind fertilized the average time appears to be 41 hours and the average size, 13 m.m.
 
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