(26.) A very small square of card fixed with shellac to apex of young radicle:  after 9 h. the deflection from the perpendicular and from the card amounted to nearly a right angle; after 24 h. deflection much reduced; after an additional 24 h. radicle almost straight.

(27.) Square of card fixed with shellac to apex of young radicle:  after 9 h. deflection from the card and from the perpendicular a right angle; next morning quite straight.  Refixed a square laterally with shellac; after 9 h. a little deflection, which after 24 h. increased to nearly 20o from the perpendicular and from the card.

(28.) Square of card fixed with shellac; after 9 h. some deflection; next morning the card dropped off; refixed it with shellac; it again became loose and was refixed; and now on the third trial the radicle was deflected after 14 h. at right angles from the card.

(29.) A small square of card was first fixed with thick gum-water to the apex.  It produced a slight effect but soon fell off.  A similar square was now affixed laterally with shellac:  after 9 h. the radicle was deflected nearly 45o from the perpendicular and from the card.  After 36 additional hours angle of deflection reduced to about 30o.

(30.) A very small piece, less than 1/20th of an inch square, of thin tin-foil fixed with shellac to the apex of a young radicle; after 24 h. no effect.  Tin-foil removed, and a small square of sanded card fixed with shellac; after 9 h. deflection at nearly right angles from the perpendicular and from the card.  Next [page 139] morning deflection reduced to about 40o from the perpendicular.

(31.) A splinter of thin glass gummed to apex, after 9 h. no effect, but it was then found not to be touching the apex of the radicle.  Next morning a square of card was fixed with shellac to it, and after 9 h. radicle greatly deflected from the card.  After two additional days the deflection had decreased and was only 35o from the perpendicular.

(32.) Small square of sanded card, attached with thick gum-water laterally to the apex of a long straight radicle:  after 9 h. greatly deflected from the perpendicular and from the card.  Curvature extended for a length of .22 of an inch from the apex.  After 3 additional hours terminal portion deflected at right angles from the perpendicular.  Next morning the curved portion was .36 in length.

(33.) Square of card gummed to apex:  after 15 h. deflected at nearly 90o from the perpendicular and from the card.

(34.) Small oblong of sanded card gummed to apex:  after 15 h. deflected 90o from the perpendicular and from the card:  in the course of the three following days the terminal portion became much contorted and ultimately coiled into a helix.

(35.) Square of card gummed to apex:  after 9 h. deflected from card:  after 24 h. from time of attachment greatly deflected obliquely and partly in opposition to Sachs’ curvature.