[147]

Dec. 31. 72 Leaf of Zonal Pelargonium. —

with short Hairs, —some single & pointed — some act longer or short, with globular Heads— apparently no secretion — with transverse partition.

I carefully examined in water first a strip of a leaf in simple water & no the Head contained only spheres within Heads [illeg] fluid; I then place the other — added a little C. of A. 3 gr to 1 oz, but really weaker as there was water under slide & in 3' trace of segregation in 5' in the globe on smaller shorter hairs, numerous spheres formed, which apparently went no further change — rapidly formed — in larger globes on longer head— few larger spheres were formed & those within broken aggregated up into small spheres, contained

In few cases small spheres were formed in the pedicels of the shorter Hairs. —

Proves absorption interesting in relation to the process of. Drosera.

(3

ready again to clasp any object. (With respect to the foregoing & following statements I shall immediately give in detail the experiments on which they are founded.) [penciled line illeg]

[3 penciled lines illeg]

(If instead of brushing the centre of the leaf or putting on it any some small object or certain fluids, [penciled line illeg] the gland of a single tentacle [penciled line illeg] is repeatedly touched by a needle, or a wonderfully small an extremely minute atom of any organic or inorganic substance, weaker doubt the [illeg] action & drop be is gently placed on it, or it is moistened with certain fluids, this one tentacle alone becomes inflected, & if, how the gland curved is carried to c near to the centre of the [text excised] [two words illeg] place on one or 2 or 3 tentacle is carried to centre. This acts as if irregularly between them

the atom placed on the

[in margin:] [7 words illeg] 2 or 3 or 1 tentacles

[148]

Zonal Pelargon

10. 52

10 55 some speres

10 52

in 5' conspicuous spheres

very short & some longer hairs with globular Heads no secretion —

3 gr to 1 oz — but really weaker for water under slide

Long-Hairs browner particles —

some longer pale Hairs no Head

[sketch] (Change in long Head much opake) Change in 1˚

[sketch] — 2˚ 30 now all in a circle

Long Head large spheres formed

Particles in short Hairs — segregation in pedicels in some

[3v]

leaf. — [text excised]

gland & of large size or of the kind which yields (nitrogenous matter) viscid secretion the central glands are thus affected. They hav then transmit a motor influence, either to a few of the tentacles on each side of the one experimented on, or to all of the the tentacles, depending on the size & nature of the organic matter first originally placed on the one gland. With respect to all the foregoing statements I shall immediately give in the considerable detail the experiments on which they are founded.) Length of time of inflection p 7. Secretion?

(In a state of nature, Will plant grow in their nat. hab, where an insect alights

[in margin:] I must ascertain whether it [illeg]