re 
fe 
fe 
OF 
ie 
‘. 
7 
\ TNS 
G 
Fig. 4. A, Band C. Paphiopedilum. D, E and F. Habenaria. G, H and I. A monandrous orchid 
A, D and G are vascular diagrams; B, E and H are drawings from wire-plasticine models; C, F 
and I are transverse sections at the region homologous with the gynostemium, 
