PLANT II.

August 20. (_a_) Four flowers self-pollinated as with plant I. (_b_)

Cross-pollination effected on seven racemes between flowers which had

opened simultaneously on the racemes.

August 22. (_a_) All yet on. (_b_) One flower of a pair had fallen off.

August 24. (_a_) Two ovaries remained and looked as though they might

develop. (_b_) Three pairs fallen off at raceme. The single pod of

one pair still remained and looked as though it might develop. All

remaining pairs seemed to be thriving.

August 26. (_a_) One pod developing; the other doubtful. (_b_) Single

pod of pair developing. Two pairs were thriving; one pair was almost

grown. The third pair looked doubtful.

September 13. (_a_) One pod fully developed; the other fallen off.

(_b_) One pair fully developed. One each of two other pairs were fully

developed.

The Kansas University Science Bulletin (Vol. I, No. 1) · 第 18 / 31 题