[36 & 37]

Erytherina caffra

circumnutation of leaflet & sleep

Jun 10th – to morning of 12th 1878

Erytherina caffra [data not transcribed]

[37v]

27

Introduction

note (* A summary of these statements, with references, may be found in my Variation of Animals and Plants under Domestication, Chapt XVIII, 2nd edition 1875 Vol. 2 vol. 2. p. 109.)

Chap. p. 11) and I have not met with any observations on the effects of crossing and self-fertilising. the individuals of the same variety.

good Moreover experiments of this kind require so much time—mine having been continued during eleven years—that they are not likely soon to be repeated.

As only a moderate number of crossed and self-fertilised plants were measured, it was of great importance to me to learn how far the averages were trustworthy. I therefore asked Mr. Galton, who has had much experience in statistical researches, to examine some of my tables of measurements, eight in number, namely, those of Ipomoea, Digitalis, Reseda lutea, Viola, Limnanthes, Petunia, and Zea. I may premise that if we took