140

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

Temp 58 in passage dark

June .4' 9° 10'. 8 Peas.

Temp 58° in morning 60° at 5°

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

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

   7)

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

   8 after 8°. slightly geotropic.

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

  9 like 8 in all respects

(13) 5° tip slight geotropc— (5th 8° 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) 5° P.m Horizontal —(5th 8° 15 horizontal)

  11 after 23d geotropism not acted.

over

 

Nitrate of Silver

Temp 58° in passage dark 10° 45'. 

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

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

140v

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

12

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

13 after 8° geotropism acted pretty strong