[1]

Mitchella repens November 1864

Two long-styled plants, of which one seemed in all ways far more fertile than all other plants, had 10 flowers fertilised heteromorphically; but the one branch with three half-formed fruit died, so say 7 fertilised, of which 4 set & yielded 11 good seed. ─ average 5.5 2.7

Ten were fertilised with own-form pollen & produced 8 fruit. (& 1 fruit additional fruit, which produced nothing) & these 8 fruit yielded only 16 seed ─ average 2.0.

Three flowers; fruit, p not touch & self-fertilised yielded 8 seed average 2.7 ─ (& 2 other fruit had no seed); but then these 3 fruit were probably the product of each of 2 flowers; for 2 flowers from one berry; & on this view average 1.3 seed

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The only case of fruit without any seed was self & Hom. fertilised flowers.─

With respect to the spontaneously fert. flowers it is possible that, as all were under same net, Thrips may have carried pollen from 1 to other, yet Scott said single plant set fruit in Edinburgh

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Two short-styled plants, had 10 flowers fert. heteromorphically, 5 of them yielded 14 seed average 2.8 (one of the 5

Seven flowers were fertilise by own pollen & only 2 (together) yielded 2 seed.

On the other plant 3 fruit set spontaneously ─ 1 contained no seed, & the two others (each fully result of 2 flowers) each contained 5 seed ─ if 2 flowers were fertilised average 2.5.

A vast number of the trials failed, I suspect this was when only 1 of the 2 flowers were fertilised, for these apparently set like 2 stigmas to own flower; for only 3 of the single flower fertilised set.

It we regard only the cases in which both flowers were fertilised, & count the

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seeds in Heteromorphic long-styled & short-styled union we find only 4 double union giving 5.2 seed per pod─ Of Homomorphic also only 4 double union, giving 3.0 seed per pod.─