considered in Relation to the Phyllode Theory . 315 
Figs. 36-9. Fig. 36, Moraea polystachya , Ker-Gawl. ; Fig. 36 a, transverse section leat 
( x 14) ; Fig. 36 B, transverse section midrib region of another leaf ( x 47). Fig. 37, M. bituminosa , 
Ker-Gawl., transverse section leaf (x 14). Fig. 38, M. Sisyrin'chium, Ker-Gaul. ; Fig. 38 a, leaf- 
apex seen from the ventral side (x |) to show solid ap ex, pet., and bifacial region, sk.; Fig. 38 B, 
transverse section (incomplete) of bifacial region of leaf (x 14) ; m.r., midrib region; mil., main 
lateral; Fig. 3S c, transverse section apical limb of leaf, pet., in Fig. 38 A (x 14); Fig. 38 D, 
transverse section midrib region indicated by bracket in Fig. 38 B ( x 47). Fig. 39, Salvia 
Verbenaca , L. (Labiatae) transverse section petiole ( x 14) to show absence of median bundle. 
prevailingly dorsiventral, but terminating in a solid monofacial apex. 1 
Figs. 37 and 36 show sections of the bifacial leaves of M. bituminosa y 
Ker-Gawl., and M. polystachya , Ker-Gawl. Balicka-Iwanowska 2 states that, 
1 Ross, H. (1892-3). 
2 Balicka-Iwanowska, G. (1892-3). 
