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Effects of Cross and Self Fertilisation in the Vegetable Kingdom by Charles Darwin
page 301 of 636 (47%)
Pot 5 : 89 : 85 : 94 2/8 : 28 4/8.
Pot 5 : 17 : 5 3/8.

Pot 6 : 90 : 80 : 78 : 78 6/8.

Pot 7 : 84 4/8 : 48 6/8 : 85 4/8 : 61 4/8.
Pot 7 : 76 4/8 : 56 4/8.

Pot 8 : 83 4/8 : 84 4/8 : 65 5/8 : 78 3/8.
Pot 8 : : : 72 2/8 : 27 4/8.

Total : 902.63 : 636.13 : 743.13 : 447.38.

Some of the remaining seeds of both series, whether or not in a state of
germination, were thickly sown on the opposite sides of two very large
pots; and the six highest plants on each side of each pot were measured
after they had grown to nearly their full height. But their heights were
much less than in the former trials, owing to their extremely crowded
condition. Even whilst quite young, the crossed seedlings manifestly had
much broader and finer leaves than the self-fertilised seedlings.

TABLE 6/89. Nicotiana tabacum. Plants of the same parentage as those in
Table 6/88, but grown extremely crowded in two large pots.

Heights of plants measured in inches.

Column 1: Kew-crossed Plants, from pot 2, Table 6/87.

Column 2: Plants of the fourth Self-fertilised generation, from pot 2,
Table 6/87.
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