Pot 2 : 33 4/8 : 35 4/8.
Pot 3 : 47 : 51 1/8.
Pot 3 : 40 : 41 2/8.
Pot 3 : 42 : 46 4/8.
Pot 4 : 43 6/8 : 20 2/8.
Pot 4 : 37 2/8 : 33 3/8.
Pot 4 : 0 : 0.
Total : 369.75 : 351.00.
The nine flower-stems on the crossed plants here average 41.08 inches,
and the nine on the self-fertilised plants 39 inches in height, or as
100 to 95. But this small difference, which, moreover, depended almost
wholly on one of the self-fertilised plants being only 20 inches high,
does not in the least show the vast superiority of the crossed over the
self-fertilised plants. Both lots, including the two plants in Pot 4,
which did not flower, were now cut down close to the ground and weighed,
but those in Pot 2 were excluded, for they had been accidentally injured
by a fall during transplantation, and one was almost killed. The eight
crossed plants weighed 219 ounces, whilst the eight self-fertilised
plants weighed only 82 ounces, or as 100 to 37; so that the superiority
of the former over the latter in weight was great.
THE EFFECTS OF A CROSS WITH A FRESH STOCK.
Some flowers on a crossed plant of the last or second generation were
fertilised, without being castrated, by pollen taken from a plant of the
same variety, but not related to my plants, and brought from a nursery
garden (whence my seeds originally came) having a different soil and
aspect.
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