LESSER KNOWN ORCHIDS. 



381 



moving. While dealing with the genus Bulbophyllum reference may be 

 made to one or two species of special interest — for instance, Bulbophyllum 

 hi datum. This species is remarkable for the curiously inflated rachis. 

 In every other way it is inconspicuous, as the flowers are small, greenish 



in colour, very hairy, and closely pressed to the rachis. It is a native of 

 West Africa, and was described by Rolfe in 1891 in the " Gardeners' 

 Chronicle." When the flowers have fallen away the persistent rachis 

 strongly resembles a small pickling cucumber, two or three inches in 



