REVIEWS. 577 



The Stem and Leaf of the Dipterocarps. 



[Contribution a I'etude anatoniique de la tige et de la feuille 

 des Dipterocai'pees ; Son application a la syst^matique. P. Guerin. 

 Mem. Soc. Bet., France, Dec, 1907.] 



A detailed and well-illustrated account of this interesting family, 

 based on specimens supplied from Peradeniya, Java, &c., and 

 giving indications of fvuther anatomical characters that may be 

 used in diagnosis. 



J. C. W. 



Parasitic Trees in South India. 



[Barber, Parasitic Trees in South India ; Proc. Camb. Phil. 

 Soc, XIV., 246.] 



A description of the parasitism of the Sandalwood, and other 

 Santalaceae and Olaeacese. 



J. C. W. 



The Dum Palm (Hyphsene). 



[Beccari, Le palme dum od Hyphaene. L' Agric Colon, II., 

 p. 137, 1908.] 



A monograph of the Hyphsenes, in which Beccari mentions the 

 palms of Jaffna and other places in Ceylon, but is a little doubtfiil 

 of their species. In a letter dated from Florence, September 10, 

 1908, he says (having received fruit of the Ceylon plant) that it 

 apjjears really to belong to H. thebaica. It is entered under this 

 name in Trimen's Catalogue of 1888, and stated to have been 

 introduced about 1863. 



J. C. W. 



Germination of Borassus. 



[Nouvelle contribution a' 1' etude chimique de la germination du 

 Borassus flabelliformis L. Gatin. Revue gen. deBot., 18, 1906, 

 p. 481.] 



A note on the chemistry of germination and the formation of 

 mannose. 



J. C. W. 



Anatomy of Palm Leaves. 



[Koop, Anatomic des Palmenblattes. Beih. zum Bot. Centr. , 

 XXII. , p. 85, 1907.] 



A discussion from an anatomico-physiological standpoint. 



J. C. W. 



