ancipitous, while we call them subtetragonous. Indeed one may 
see them very often simply ancipitous. They occur, however, 
often subtetragonous, especially when they have given a young 
shoot. ‘Thus a representation of Mr. Keferstein’s plant which 
I made in 1851 represents (and an added description says) the 
older bulbs subcostate in the middle. Mr. Wright says simply, 
“‘Tubers flattish, quadrangular.” The flowers give a wonderful 
perfume, reminding one much of Vanilla. The disk of the lip is 
glutinous, and the long velvety line consists of epidermal cellules 
going out into clavate processes, standing close together. The 
superior side of the leaves is covered with numberless transverse 
wrinkles (transverse rugosula). 
Materials :—Sketches prepared at various times; inspection of 
Dr. Lindley’s types; twenty herbarium specimens; several living 
plants in the Hamburgh Botanic Garden. 
Tab. 183.—Plant, representing a fully developed variety. 1, lip, 
oblique view +; 2, lip, side view +3; 8, column, front view +; 
4, column, side view +; 5, 6, pollinaria + ; 7, some of the cellules 
forming the velvety line of the lip, -2, +. 
® 
I have specimens of this plant from Trinidad, sent thence by 
Mr. Horne. Also specimens procured from the Royal Horti- 
cultural Society, said to have come from Santa Martha. The 
plant is very free flowering, and the flowers are richly and 
powerfully scented. It should be grown on a block in the 
temperate house, and placed near the light.—W. W. S. 
