ECTOCARPALES 



143 



pseudo-parenchymatous medulla of closely packed cells that have 

 become elongated in a longitudinal direction. The cortex is com- 

 posed of crowded, radiating, assimilatory filaments, which are either 



Fig. 96. Chordaria divaricata. A, plant ( x f ). B, apex of young plants showing 

 commencement of cortication. C, apex of older plant of C. flagelliformis showing 

 structure of thallus. a = assimilator. D, unilocular sporangia ( x 300). (A, D, 

 after Newton; B, C, after Oltmanns.) 



simple or branched, the whole being embedded in a thick layer of 

 jelly, thus giving the plant a slimy touch. This type of structure, 

 even though the growth is still confined to the apex, marks the 

 highest development of Church's consolidated or cable type of 



