Chap. L 



TWINING PLANTS. 



27 



(Dicotyledons, continued.) 



sun for two-thirds of a circle, and then returned to its starting- 

 point, taking for this double course 11 hrs. 46 m. 



Sollya Drummondii (Pittosporacese) moves against the sun; 

 kept in greenhouse. 



April 4, 1st circle was made in 

 5, 2nd 

 6, 3rd 

 1 4tn 

 Polygonum dumetorum (Polygonacese). This case is taken 

 from Dutrochet (p. 299), as I observed, no allied plant : follows 

 the sun. Three shoots, cut off a plant, and placed in water, 

 made circles in 3 hrs. 10 m., 5 hrs. 20 m., and 7 hrs. 15 m. 



Wistaria Chinensis (Leguminosse), in greenhouse, moves 

 against the sun. 



)> 



)> 



H. M. 



4 25 



8 (very cold day) 



6 25 



7 5 



Phaseolus vulgaris (Leguminosss), in greenhouse, moves against 

 the sun. 



H. M. 



May, 1st circle was made in . . . .20 

 it 2nd .... 1 55 

 it " r d ii a a .... 1 55 



Dijpladenia urophylla (Apocynaceae) moves against the sun. 



H. jr. 



April 18, 1st circle was made in . 

 19, 2nd 

 30, 3rd 



ripladenia crassinoda moves against the sun. 



May 16, 1st circle was made in . . 

 July 20, 2nd 

 21, 3rd 



a 



it 



a 



a 



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tt 



a 



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