576 REVIEWS. 



Influence of Climate on Structure. 



[Holtemiaixa, C, Der Einfluss des Klimas auf den Bau der 

 Pflanzengewebe. Leipzig, 1907.] 



A detailed accovint of work mostly carried out at Peradeniya, 

 already sufficiently reviewed elsewhere. 



J. C. W. 



Secondary thickening in Kendrickia. 



[Secondary thickening in Kendrickia Walkeri Hook. f. A. M. 

 Clark. Ann. of Bot., XXL, 1907, p. 361.] 



A description of the process, which is in some respects unique. 



J. C. W. 



Note on the Roots of Terminalia Arjuna, Bedd. 



[R. S. Adamson, in New Phytol., IX,, p. 150, 1910.] 



This is T. Glabra W. & A., the Kumbuk, so conmion in Ceylon. 

 From the trees growing on the banks of a river (in India) certain 

 roots grow out horizontally into the river bed, among the stones, 

 or just below the surface of the water. From these roots lateral 

 branches are given off that rise vertically to the surface of the 

 water or mud. These were examined, and it was found they were 

 for aeration purposes. An account is given of their anatomy. 



J. C. W. 



Abnormal Vessels in Canarium, &c. 



[Guillaumin, Les faLsceatix anormaux chez les Canarium et genres 

 affines. Bull. Mus. Hist. Nat., 1907, p. 553.] 



A brief description of abnormalities in the vessels, on which 

 the author bases some points in the classification. 



J. C. W. 



The Assimilatory Tissue of Mangrove Seedlings. 



[Carson, in New Phyt., II., 1907, p. 178.] 



The seeds of the Mangroves, Rhizophora, and Bruguiera germ- 

 inate on the tree. They are found to have rows of lenticels with 

 assimilating tissue beneath them. 



J. C. W. 



