292 



thera sinuata Gamble. Bulu minyak : Schizostachyum lati folium 

 Gamble and S. aciculare, Gamble, and Gigantochloa latispiculata. 

 Gamble, Buluh Tilan minyak. All are slender and small bamboos, 

 collected for basket work, etc. Of the larger kinds we have in 

 Perak and Pahang Dendrocalamus gi^anteus, Munro, the biggest 

 known species, attaining a diameter of seven inches and used for 

 pots or cups and many other household articles. 



D. strictuSy Nees. 

 The male bamboo with solid stems is only cultivated here. It 

 could be extensively grown as it grows rapidly and well. The stems 

 are used for spear handles, heads of polo-clubs and many such pur- 

 poses. It is readily propagated from cuttings of the stem and 

 grows fast in damp soil. 



D. flagei 'lifer Munro. Buluh Betong. 

 A tall bamboo with long arching stems, and long whip like 

 branches of the panicle, is common in cultivation in Singapore 

 being one of the Bamboos grown for the eatable shoots. It is also 

 used for carrying sticks, and other work for which bamboo is re- 

 quired. 



II. X. RIDLEY. 



Report on experiments conducted by the Factory 

 Engineer, Selangor, on the steaming qualities 

 Casuarina, Bakau, and ordinary firewood. 



The trials were carried out under the following circumstances : — 

 A steam Roller was sent out to work on the ordinary rolling of 

 Macadamized roads and with it an Apprentice in addition to the 

 Staff of Driver and Steerman, who kept a record of the number of 

 hours the engine ran, the Steam pressure maintained, the number 

 of pieces of firewood used and various other data. 

 The following is the result : — 



1. The first trial was made with Casuarina on the ioth Octo- 

 ber when the roller took out 1,098 pieces, weighing 5,983 lbs. The 

 firewood was consumed after working 105^ hours with the follow- 

 ing result : — 



[a) Consumption of wood per hour, in lbs., 56 44. 



(b) Consumption of wood per hour, in cubic feet i'22. 



{;) Average time to get 50 lbs. steam from cold water, 2 hours. 



(d) Average steam pressure during 105^ working hours, 



817 lbs. 



(e) Average weight per cubic foot 46 lbs. 



2. On the 31st October the second trial was made with Bakau, 

 the roller taking 1,070 pieces weighing 4 480 lbs. The wood was 

 consumed after working 57J hours. The result is as follows : — ■ 



(a) Consumption of wood per hour, in lbs. 78*25. 



