404 



During tlie last four 3'ears in the Botanic Gardens, Singapore, 

 tlie flowering of the Pigeon Orchid occurred on tlie following 

 datrs :— 



There are twenty-seven dates in all in the four years : and since 

 the commencement of 1917 another flowering extending over four 

 days has taken place. On either the seventh, eighth or ninth day 

 before each flowering there was heavy rain, except before the dates 

 September 6th, 1913, Xovember 6th, 1913, May loth, 1914 and 

 September 18th, 1915. But ten days before the flowering of May 

 loth, 1914 there was heavy rain, and eleven days before the flower- 

 ing of Xovember 6th, 1913 there was also hea^T rain. However, 

 before the flowering of September 18th, 1915, which was a very 

 abundant one, there was no heavy rain between the sixth day and 

 oil the fifteenth day, but rainless days about the eighth: and !)efore 

 September 6th, 1913, when two plants only flowered, there was 

 verv little rain after the sixteenth dav until the eve of the flowering. 



