1960] 



ANATOMY OF GUAYANA XYRIDACEAE 



73 



Figs. 9-14. Portions of transections of rosette stems of Abolboda, exterior above, pat- 

 terned to show distribution of various tissues. Fig. 9. A. acaulis. Fig. 10. A. acicularis var. 

 acicularis; leaf base in paradermal section, above; endogenous root at right. Fig. 11. A. 

 ciliata. Fig. 12. A. linearifolia. Fig. 13. A. macrostachya var. angustior. Fig. 14. A. 

 sprucei. Broken line in figures 12, 13 delimits the outer starch-poor region from the inner 

 starch-rich zone. Patterns as follows: stippled ■— sclerenchyma ; white inside bundles =: 

 phloem; black = xylem; parenchymatous ground tissue left bank. Scale = 2 mm. in 1 mm. 

 divisions. 



I 



