548 WorsdelL — Female ‘ Flowers ’ of Coniferae. 
Fig. 13. Microcachrys ietragona. Transverse section of the bundle-system at 
the base of the appendage, x 430. 
Fig. 14. Microcachrys, ietragona. Transverse section of the bundle-system of 
the appendage at the level of insertion of the sporangium, x 430. 
Fig. 15. Taxus baccata. Transverse section of a bundle in a sterile sporophyll 
of the rudimentary cone, x 220. 
Fig, 16, Sciadopitys verticillata. Radial section of the appendage showing in- 
sert ‘on of the sporangia and the bundle system. Diagrammatic. 
Figs. 17, 18 and 19. Sciadopitys verticillata . Successive stages in the orienta- 
tion and branching of the bundle-system from the central cylinder of the axis out- 
ward into the appendage. Diagrammatic, 
Fig. 20, Sciadopitys verticillata. Transverse section of a partially concentric 
bundle in the seminiferous scale, x 430. 
Fig 21. Cnpressus Lamsoniana. Radial section of the appendage showing the 
insertion of the sporangia and the bundle-system. Diagrammatic, x 15. 
Figs. 22-26. Cupr&ssus Lawsoniana. Successive stages in the orientation and 
branching of the bundle-system from the central cylinder of the axis outward into 
the expanded peltate portion of the appendage. Diagrammatic, 
