[9]

Cannabis sativa. (May 3d 1879 10 P.m) The Cots certainly do not rise, perhaps sinks — The first pair of young leaves which are developed very early do not rise.

May 4th 7º 50 cots. seem flatter, but not all— (May 4th Exposed to light S.W. window with Hypocotyls of 4 seedlings secured to stick at 8º a.m: —at 4º. 45, (bright sun), 2 of the seedlings with, cots. line joining the 2 Cots facing light, had the nearer cot, depressed & further one raised. A third cot seedling had nearer cot. depressed, but further one not raised. The 4th seedling which had its 2 cots transverse to line of light, had them slightly stood so as to face light.— No doubt are heliotropic. The hypocotyl Examine young & old stamen of Berberis is strongly heliotropic, bent at right angles to light: & the cots. on them keep. square. & opposite ones symmetrical—

(over)

[9v]

May 4th 10º 15 P.m. a large number of the cotyledons have now become bowed downwards, so that the apices of some point to ground, with convex surface upwards, but I do not think whole cotyledon is depressed— many seedlings with cots: not in the least curved, & whole lot does not look like sleep.—

(Cotyledons)