102 NOTES ON THE FERTILISATION. 



table we give the dates of the pigeon orchid days in Kuching 

 (Sarawak) during 1907 and 1908. For these dates we are 

 indebted to J. E. A. Lewis Esq., who had a large collection of 

 living orchids under continuous observation. 



Jan. 10. 07 general (i.e. all the plants were in blossom) 



Feb. 4. general 



Feb. 26. general 



May 1. general 



June 12. fairly general 



July 28. general 



Aug. 23. sparse (i.e. only few in bloom) 



Sept. 25. very sparse 



Oct. 19. fairly general 



Nov. 6. general 



Dec. 5. fairly general 



Jan. 26. 08 general 



Feb. 8. sparse 



Feb. 26. very sparse 



Feb. 29. very sparse (only one or 2 spikes seen) 



March 13. only 2 plants seen in flower 



April 14. sparse 



April 26. general 



May 25. fairly general 



June 14. very sparse 



Aug. 3. general 



Aug. 15. very sparse 



Sept. 9. very sparse 



It wall be seen that whilst some pigeon orchid days were 

 characterised by a blossoming of all the plants in the area, on 

 other days only a few plants were in flower : and although on 

 the days marked very sparse we have several times noticed 

 just a single flower spike standing alone yet on going to other 

 parts of Kuching there too was found a sparse flowering. At 

 first it seemed possible that in our neighbourhood there existed 

 several series of pigeon orchids each series having its own period 

 and in short that the orchids which blossomed on one sparse 

 day would come into flower on ano: her sparse day but would 



]our. Straits JJrajK-ji 





