364 



Analysis of Ipecacuanha Root. 



By M. G. S. Blake, b. sc. 



Composition of Ash. 







Brazilian. 



Uarthagena. 



Selangor. 







o/ 



°/ 









/o 



/o 



% 





Ash 



2.04 



2 72 



±.o\j 



Potash 



K 



25.53 



7A2 



28.55 



Soda 



Na, 



2.70 



2.25 



2.06 



Lirne • • • 



Ca 



15.50 



17.00 



16.87 



Magnesia 



Mg 



13.57 



10.68 



14.25 



Manganous Oxide 



Mn 



0.30 



0.58 



0.45 



Phosphoric Oxide 



P 2 S 



12.70 



5.16 



13.81 



Sulphuric Oxide •• 



s 6 3 



7.40 



5.05 



8.57 



Silica 



Si 0, 



11.02 





10.50 



Chlorine 



01. 



Trace. 



Trace. 



Trace. 



(The Pharmaceutical Journal and Pharmacist). 



June 5th 1909, p. 765. 



SHOREA LEPROSULA, MIQ,. , "SBRAYA " OR 

 44 SERAYA BATU." 



Plate III. 



Shorea leprosula, the subject of our illustration this 

 month, is a lofty tree over 100 ft. tall occurring abundantly 

 in the jungles of the Malay Peninsula. The timber well 

 known as Seraya Batu or Seraya is derived from this tree 

 and is largely used for planks, boxes, etc., but it would 

 appear to be much inferior to timber obtained from other 

 species of Shorea notably Sal. (Shorea robusta), Damar 

 Lout and Resak. 



The natural order to which Shorea leprosula belongs, 

 namely Dipterocarpecc, supplies the largest number of im- 

 portant timbers of any group in this region, including as 

 they do such well known kinds as Meranti, Chengei, Resak, 

 Giam, Damar Lout and Camphor wood. 



As a rule the Shoreas flower only once in six years 

 when the weather is very dry and hot. This makes the pro- 

 pagation of this tree somewhat troublesome. The seed is 



