PLATE XIV. 



Fi^. i — ii. Atnphiroa foliacea Lamx. 



Fig. I. Creeping frond. 



Fig. 2 — 8. Erect fronds with broad and narrow and even cylindrical joints. The figures i and 

 4 show the extremes observed in A. foliacea. All these figures are drawn in nat. size. 



P'ig. 9. Part of winged frond. 30 /,. 



Fig. 10. Young top of creeping frond. 30 /,. 



Fig. 11. Node betvveen the joints. The shaded part indicates the node. 39 /,. 

 Fig. 12. Atnphiroa fragilissima Lamx. f. cyathifera nat. size. 



Fig. 13. Two nodes of Amplüroa ephedraea Lamk. 3 "/ r 



Fig. 14 — 17. Amplüroa Bowerbankii Harv. 



Fig. 14. Upperside of frond. nat. size. 



Fig. 15. Underside of frond. nat. size. 



Fig. 16. Section through the node with little dots of calcareous tissue growing out of the 

 node. 30 /,. 



Fig. 17. Node seen from above ; one little dot of calcareous tissue is indicated by the darkest 

 shade. 30 /,. 

 Fig. 18 — 19. Atnphiroa Beauvoissii (Lamx.) Born. (A. exilis Harv.). 



Fig. 18. A. specimen from Naples. 30 /j. 



Fig. 19. A specimen from Durban. 30 /,. 



