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Darwin, Charles, 1809-1882

"Effects of Cross and Self Fertilisation in the Vegetable Kingdom"

The self-fertilised plants had a decidedly less
vigorous appearance than the plants of the other two lots, their leaves
being smaller and narrower. In only one pot did a self-fertilised plant
flower before one of the two kinds of crossed plants, between which
there was no marked difference in the period of flowering. The plants
were measured to the base of the calyx, after they had completed their
growth, late in the autumn.
TABLE 4/47. Dianthus caryophyllus.
Heights of plants to the base of the calyx, measured in inches.
Column 1: Number (Name) of Pot.
Column 2: London-Crossed Plants.
Column 3: Intercrossed Plants.
Column 4: Self-fertilised Plants.
Pot 1 : 39 5/8 : 25 1/8 : 29 2/8.
Pot 1 : 30 7/8 : 21 6/8 : +.
Pot 2 : 36 2/8 : : 22 3/8.
Pot 2 : 0 : : +.
Pot 3 : 28 5/8 : 30 2/8 : .
Pot 3 : + : 23 1/8 : .
Pot 4 : 33 4/8 : 35 5/8 : 30.
Pot 4 : 28 7/8 : 32 : 24 4/8.
Pot 5 : 28 : 34 4/8 : +.
Pot 5 : 0 : 24 2/8 : +.
Pot 6 : 32 5/8 : 24 7/8 : 30 3/8.
Pot 6 : 31 : 26 : 24 4/8.
Pot 7 : 41 7/8 : 29 7/8 : 27 7/8.
Pot 7 : 34 7/8 : 26 4/8 : 27.
Pot 8 : 34 5/8 : 29 : 26 6/8.
Pot 8 : 28 5/8 : 0 : +.
Pot 9 : 25 5/8 : 28 5/8 : +.
Pot 9 : 0 : + : 0.
Pot 10 : 38 : 28 4/8 : 22 7/8.


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