[82]

Triticum repens in Greenhouse

Aug 14th. 8° 35' put bunch of leaves in Bottle of fresh water.

Aug 21st tips of blades yellow

― 23d nearly all the blades yellower.

[83]

Triticum in Greenhouse

Aug 8th 9° placed one bundle of blades, slightly sponged & another bundle in bottle in salt-water, to see if they decay quicker in light. —

Cleaned blades black wool: — white uncleaned. —

Aug 12th 10° 30' — 3 leaves white wool with tips badly injured & yellow. — Black wool 2 leaves with tips yellowish. (warmth & light seem to make great difference in decay.

Aug 13th leaves considerably injured, especially tips & where bent — no difference between cleaned & uncleaned. —

[84]

Triticum repens. Var

July 31st 11° 15'.

cleaned several hoary & green leaves with tepid water, but not very thoroughly & immersed them in salt-water in my study for comparison with cut-off leaves.

Aug 6. 10° 50 45' several of the leaves somewhat yellowish, especially towards tips slightly injured — no marked difference between green & hory hoary leaves. — 3° P.m involuted. placed in salt water again 4° 15'.

Black wool

Aug 10' 8° A. m. leaves now all of pale very yellow green.

Aug. 7' 11° 30 2 Sea-Kale fruit— floats

Aug 7th 5° 40' 11° 30' sponged some more blades & put in bottle in fresh water — white wool (& 2 sea-Kale fruit)

Aug 14th. 8° 3 leaves considerably decayed in Study!!