Studies in Fitchia — CARLQUIST and Grant 
291 
FIGS. 20-24. Figs. 20, 23, Fitchia cordata . Figs. 21, 22, 24, F. cuneata ssp. tahaaensis. Figs. 20, 21: Tips of 
corolla lobes, showing exterior surface. Sclerenchymatous cells are shown in black. Figs. 22, 23 : Stamen tips, 
showing inner surface. Anther sacs shown in outline, below. Fig. 24: Base of anther and adjacent filament. 
Note caudate anther sac, right. All, X 65. 
