[38]

Neptunia oleracea

1877

Nov. 26. Cots. almost open — scratched 1 for about 1' & measured across & after 10' not least change of ∠ — not sensitive.

Nov. 27. dripped tepid water on one for 1' no effect.— No bloom on either surface. At 2° 45' P.m. (26th) the 2 Cots of 2 plants were at formed angle together of 79°; at 8° 45' P.m left one formed angle of 67° & right-Hand plant angle of 32°, so clearly going to sleep, & Lettington says almost, but not absolutely closed at 6° a.m at 7° 25' a.m angle was 25°.

Therefore no doubt go to sleep: case probably too hot for perfect sleep. — Dec

Jan 5 second leaf, leaflets quite shut with strong syringing with tepid water

Jan 5' I sponged leaflets with tepid water slightly the latter leaf & put on drops of water twice or thrice a day — on Jan 12th I noticed that the

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[38v]

Neptunia oleracea

whole pinna remained dependent, & the leaflets had not strength (without aid to separate, as they stuck together during night from drops of water placed on them. (N. B the pinnæ hang vertically down whilst asleep, though the leaflets rise) (No; they bend backwards beneath the main petiole)

Jan 14' I can see no browning or other mark of injury to leaf. — Marked leaf with thread. Jan 16' Last day of putting on drops of Water

Jan 24th leaflets do not seem injured, though margins of some seem a little burnt.

Jan 24th sponged fresh leaf & kept drops of water on till Feb 7th (14 days) no sign of injury marked with white Thread. I also cas generally put water on the former leaf & this shows no sign of injury.—

on the opposite side of the pinnae bend together meet at night & are moving are directed forwards. The pinnæ themselves move downwards, & backwards or towards the base of the leaf. The main petioles here rises