140

Peas Radicles extended horizontally with square of sand-paper opposing gravity

Temp 58 in passage dark

June .4' 9º 10'. 8 Peas.

Temp 58º in morning 60º at 5º

(10) 5º Pm. horizontal (5th 8º a.m. terminal portion inclined down at 45º)

after 8º geotropism no effect — after 23h terminal portion 45º

   7)

(11) 5º P.m tip slightly geotropic (5th 8º a after 23d terminal portion perpendicular

   8 after 8º. slightly geotropic.

(12) 5º Pm tips slight geotropc (5th do almost perpendicular

  9 like 8 in all respects

(13) 5º tip slight geotropc— (5th 8º 15, geotropic first slightly & about after & the 23d irritations caused bending up radicle above horizon & curved towards seed looks as if card had acted, but account only for curvature to seed, appears as if radicle not geotropic

  10

(14) 5º P.m Horizontal —(5th 8º 15 horizontal)

  11 after 23d geotropism not acted.

over

 

Nitrate of Silver

Temp 58º in passage dark 10º 45'. 

Radicles of    Peas pointing horizontally down touched on one side with N. of Silver left in damp air for 1º 1/2 hour & then immersed in water (5º P.m. no cle effect)

June 5' 8º 30' a.m no clear effect of any Kind)

140v

(15) 5º Pm Horizontal (5th 8º 15 a.m almost perpendicularly down)  all 23 after 8º no action d point perpendicular.

12

(16) 5º P.m considerably geotropic 45º beneath Horizon.— (5' 8º 15' a.m. do.)

13 after 8º geotropism acted pretty strong