Ohap. IV. 



DICOTYLEDONS. 



247 



(20.) Allamanda Schottil (Apacynese, Fam. 144).— The young 

 leaves of this shrab are elongated, with the blade bowed so much 



Fig. no. 



7^.ni.' 



Oydamen Persicum : circumnutation of leaf, traced from 6.45 A.M. Jnne 2nr 

 to 6.40 A.M. 5th. Apex of leaf 7 inches from the vertical glass. 



downwards as almost to form a semicircle. The chord— ^thal 

 is, a line drawn from the apex of the blade to the base of the 

 petiole — of a young leaf. 4i inches in length, stood at 2.50 p.m oe 

 17 



