H. M. July 11, 1st circle was made in 1 51 Very hot day. 11, 2nd 1 46 11, 3rd 1 41 11, 4th 1 48 12, 5th 2 35 _Scyphanthus elegans_ (Loasaceæ) follows the sun. H. M. June 13, 1st circle was made in 1 45 13, 2nd 1 17 14, 3rd 1 36 14, 4th 1 59 14, 5th 2 3 _Siphomeris_ or _Lecontea_ (unnamed sp.) (Cinchonaceæ) follows the sun. H. M. May 25, semicircle was made in 10 27 (shoot extremely young) 26, 1st circle 10 15 (shoot still young) 30, 2nd 8 55 June 2, 3rd 8 11 6, 4th 6 8 8, 5th 7 20 Taken from the hothouse, and placed in a room in my house. 9, 6th 8 36 _Manettia bicolor_ (Cinchonaceæ), young plant, follows the sun. H. M. July 7, 1st circle was made in 6 18 8, 2nd 6 53 9, 3rd 6 30 _Lonicera brachypoda_ (Caprifoliaceæ) follows the sun, kept in a warm room in the house. H. M. April, 1st circle was made in 9 10 (about) April, 2nd circle was made in 12 20 (a distinct shoot, very young, on same plant) 3rd 7 30 4th 8 0 In this latter circle, the semicircle from the light took 5 hrs. 23 m., and to the light 2 hrs. 37 min.: difference 2 hrs 46 m. _Aristolochia gigas_ (Aristolochiaceæ) moves against the sun. H. M. July 22, 1st circle was made in 8 0 (rather young shoot) 23, 2nd 7 15 24, 3rd 5 0 (about)