[51 & 52]

March 18th to morning of 20th

apogeotropism with subsequent circumnutation

Lilium auretum

(Fig. 216)

(1/2 scale no lettering)

worth giving

[52]

58

Ipomoea

Crossed and self-fertilised seeds of the third generation Again I sowed were also sown out of doors late in the summer, and therefore under unfavourable conditions, a lot of the,and gave a single stick was given to each lot two sticks of plants to twine up. The two lots were sufficiently separate so as not to interfere with each other's growth, and the ground was clear of weeds.

As soon as they were killed by the first frosts (and there was no difference in their hardiness) the two tallest crossed plants were found to be 24.5 and 22.5 inches, whilst the two tallest self-fertilised plants were only 15 and 12.5 inches in height, or as 100 to 59.

I likewise sowed at the same time two lots of the same seeds in a part of the garden which was shady and covered with weeds. The crossed seedlings from the first looked the most healthy, but they twined up a stick only to a height of 7 1/4 inches; whilst the self-fertilised