GLOSSARY. 331 



Disk, the small base by which many of the algie 

 adhere to rocks and other substances. 



Dissepiments, the partitions separating the cells of 

 the articulate filiform algae. 



Endochrome, the colouring matter contained in the 

 cells of the algae. 



Flexuous, wavy, bending fi*om side to side. 



Free, separate and distinct, also unattached. 



Frondlet, a small frond. 



Globule, a small round body. 



Hyaline, clear, glassy, colourless, the reverse of 

 opaque. 



Laciniated, when the divisions of a frond are nar- 

 row, and appear as if cut or torn. 



Lateral, at the sides. 



Midrib, a large vein, which is termed per- 

 current when continuing through the whole 

 length of the frond, imperfect when only 

 partly occurring, and obsolete when wearing 

 away. 



Moniliform, like a string of beads. 



Mucronate, having a small projecting point. 



