KOYAL GaUDENs, KlW" to F(J 



I have the honour to acknowledge the receipt of ; 

 February 1G ; enclo-ing correspnndenei', herewith returned, 

 o tin- relative iv>i-!;!in ■<■ oJlercd by different kinds of wood t 



1 an early number ot' the Kite IhdUtiii. 

 The fact- are or' the more importance as the limber is the produce of 

 ne of our Colonies — British Guiana. 



(Signed) ' W. T. Thiselton-Dyer. 

 Sir Edward Grey, Bart., M.P., 

 Foreign Office, S.W. 



The ioiluN iv-pecting the characterh 



uses of Greenheart timber may be usefully appended: — 



"The Greenheart is an exceedingly valuable tree, yielding I 

 perfectly straight growth, of from 24 to .30 feet in length, and 



kind- a 



re considered the 



■ b.-.-t'in (| 



uality. It is eh 





.eryharda.aM.e 















<"Jh 



t rie' layers' are 'm 



m'i'lered 



lervdundlle^ar 



to be p 



roof against the 





of the worm w 





lUi'pftses under -\ 







its Tali 



je if it could 1 









stances is though 



t to be doubtful. 



"Of 



the durability of the Greenheart timber, 



eriden. 



;e in the large 6 



stock of 



this wood kept i 



i the royal dockyards, 

 where it stood tne test ot many years exposure to the weather, wit bout 

 being in any but the least degree affected by it. At Woolwich, the only 

 place. I belie\e, where any attempt was made to protect it for preserva- 

 tion, the experiment to some extent failed, the ends of tie 

 open rather more in the covered stacks than in those which were left 

 exposed, while, in other respects, there was absolutely no difference 



not, after all, more 

 than the ordinary amount of waste in the conversion of this kind of 

 timber. Further, it ;> remarkable for its freedom from knots, and ;d-o 

 for its general soundness, the only defect, beyond the splitting of tie 



