22 



PHILIPPINE BAMBOOS 



size of the bamboo in 1915 and 1917, it may be predicted that 

 a considerable number of usable canes would be produced in 

 another two years. 



Table 2. — Heights of bamboo clumps and diameters of canes at Division 

 of Investigation, Bureau of Forestry, Los Banos, Laguna, P. I., 

 October, 1917, five years after planting. 



[Figures represent number of clumps.] 



Species. 



Height of clumps in meters, October, 1917. 



Less 

 than 1. 



1-3. 



3-5. 



5-7. 



7-9. 



9-11. 



11-13. 



13-15. 



15-17. 



7 





2 



1 



26 

 6 



24 

 8 



32 



5 



1 



53 



7 

 1 



55 



44 



26 

 1 

 1 



Bambusa vulgaris 



5 7 

 1 3 

















[Figures represent number of canes.] 



Species. 



Diameter of canes in centimeters, 

 October, 1917. 



Less 

 than 5. 



5. 



6. 



7. 



8. 



9. 



10. 



11. 





994 

 153 

 33 



150 

 11 

 11 



97 

 10 

 8 



80 

 5 

 3 



71 

 4 

 4 



29 



17 





Bambusa vulgaris 



2 



2 



! J 





In Table 3 is given a summary of the number of cuttings 

 planted in 1912 and the condition of the plantation at subsequent 

 dates. 



Table 3. — Summary of bamboo cuttings planted at Division of Investiga- 

 tion, Bureau of Forestry, Los Banos, Laguna, P. I., in 1912, and 

 condition of plantation at subsequent dates. 



Summary. 



Number of cuttings planted in 1912 



Number of clumps alive, January 10, 1914 



Per cent of original planting alive, January 10, 1914 



Number of clumps, December, 1915 



Total number of canes, December, 1915 



Average height, December, 1915 



Number of clumps, October, 1917 



Total number of canes, October, 1917 



Average number of canes per clump, October, 1917 



Greatest diameter of canes in centimeters, October, 1917 



Greatest height in meters, October, 1817 



Average height in October, 1917 





Species. 





Bambusa 

 spinosa. 



1,015 



Bambusa 

 vulgaris. 



Gigan- 



tochloa. 



levis. 



145 



105 



349 



46 



6 



34.38 



31.72 



5.71 



285 



47 



7 



628 



98 



30 



3.01 



2.81 



5.57 



269 



40 



7 



1,440 



183 



66 



5.04 



4.56 



9.40 



10 



8 



11 



16.87 



13.11 



13.14 



8.51 



6.87 



10.40 



