J. W . Purseglove 
Plate III—Group of epiphytic ant-plants growing on Cratoxylon glaucum in the Bako 
National Park. They include Hydnophytum formicarium, Myrmecodia tuberosa and 
Pachycentria glauca. 
G. H. Addison 
] 
2 ^ 1 . A 
Plate IV _Ridleyara Fascad, the first trigeneric orchid to be raised and flowered at the 
Singapore Botanic Gardens. 
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