[106]

Ap. 29 /73/ The sensitiveness of the reproductive system to slight mutual difference is the rule & ♀ element is something wonderful.

We see this perhaps most plainly in cases like Reseda, in which in certain individuals, the flower own pollen produces no effect & yet will act on anyotherindividual— Slight as this different is it is transmitted — It can be changed by a change of condition as in Brazilian Escholtzia.— We see the same fact in the absolute impotency of the long-styled form of Linum.— proportion of own pollen or the otherWe see it in the advantage of crossing almost all plants. We see it in sterility so easily caused by slightly nocturnalconditions— We see it in the stigmas or ovule not being affected by the pollen of closely allied plants — distinguishing its own pollen from [impregnation] on the that of 10,000otherspecs in the same family.

We see it in the Its seed is filled with [illeg] of the system of nature. So again the pollen of [9 words illeg]

[106v]

There is nothing more wonderful in nature that the delicacy of the affinities of the I. elements of various organisms & in the manner with which the acted on by external agencies