Fig. 93. 
Leeuwenhoekia dubia. 
Sonder in Lehmann plant® Preissian® i. 392 (1845). 
1, a flower; 2, longitudinal section of a flower; 3, side-view of column with 
labellum; 4, pollen.grains; 5, front-view of column; all much magnified. 
[ 9 J 
