1960] 



AX ATOMY OF GUAYANA XYRIDACEAE 



67 



Figs. 1-4. Portions of transections of roots of Abolboda, each Avith the vascular core below 

 and the cortex and exodermis above. Fig. 1. A. sprucei. X 166. Fig. 2. A. UnearifoUa. X 

 155. Fig. 3. A. acaulis. X 245. Fig. 4. A. macrostachya var. macrostachya. X 143. 



