18 



INTEODUCTION. 



The species of the fourth section (Cyclolalanus) 



are small 



the Indo-Malayan flo 



all Asiatic; but only fourteen of them 



and the 



The fifth and sixth (Chlamydobalanus and Lithocarpus 



species, being mostly Indo-Malayan, fall to be described 



m 



this monograph, in which I attempt to do for the species of Q 



which belong to this flora what Michaux and Liebm 



and Castanop 



did for the oaks of America 



d what Kotschy did for those of Europe and the Levant. Many of the species treated 

 in the following pages have already been excellently described by M. A. De Candolle 

 in the Prodromus and by Sir Joseph Hooker in the Flora of British India ; while some 



f 



of them have not only been described, but h 

 Korthals, and Oudemanns. 



ive been admirably figured by Blume, 

 And it is not with the remotest intention of disparaging the 

 work of these high authorities that I here issue new descriptions and drawings of these 

 species, but simply because I believe it may be useful to working botanists to be 



provided 



a 



gle volume easy of 



and figures not only of all the 



India, but of those also which have not 

 Dutch India. 



quisition, with a complete series of descript 



species described in Sir Joseph Hooker's Flora of British 



as yet been collected beyond the limits of 



- 



Between the genera Quercus and Castanopsis the differences appear to me to be not only 

 A but rather arbitrary; and I see no good reason why every Castanopsis described below 



Id not be put 



section Chlamydobalanus of the genus Q 



species are after all but conveniences for study, it seems undesirabl 

 arrangement by which a number of species with prickly or tubercul 



But as genera and 



to disturb the 



completely 



ping the nuts and splitting irregularly to let them escape are separated off under th 



The arrangement has the sanction of high authority, and it h 



generic name Castanop 



been hallowed by time. To upset it would add something to an already too heavy 



synonymy, and it therefore appears best to let it stand 



the species of Castanopsis are Asiatic, and the majority ar 



Except or 

 Indo-Malaj 



which 



Amer 



