Psammisia citrina, A-E.  A: habit.  B: flower showing calyx and globose corolla.  C: longitudinal section through flower showing size, position, and posture of stamens and style, and relative thickness of floral tissue.  D: stamens showing dorsal, ventral, and lateral views.  E: cross section through berry (A-E from Luteyn & Sylva S. 11743, type).  Psammisia mediobullata, F-I.  F: habit.  G: flower showing attachment to rachis, floral bract, pedicel, bracteoles, calyx, and peculiarly shaped corolla.  H: longitudinal section through flower showing size, position, and posture of stamens and style, and relative thickness of flora tissue.  I: stamens showing ventral, dorsal, and lateral views (F-I from Luteyn & Sylva S. 11711, type).  Redrawn from Brittonia 51(3): 292, fig. 2.  1999.