PLATE 11 
SIGALDI 307 
CURTIS 1963 
Plate 11. Acampe rigida (Buch.-Ham. ex J. E.Sm.) P. F. Hunt. Floral details: 
a-g — material from Thailand; a. flower, b. longitudinal section of column and 
lip, c. column from front showing sectioned spur of lip, d. cross section of basal 
part of lip, e. anther or operculum, f. stipes and gland of pollinia, g. pollinia; h. 
Acampe penangiana Ridl., lip from type specimen, i. lip from a Laotian 
specimen. 
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