ALGtM 



125 



violet, dark purple, and reddish-brown, often beautifully 

 tinted. In general, the bodies are much more graceful 

 and delicate than those of the brown Algae. There is the 



FIG. 117. One of the red Algae. 



greatest variety of forms, branching filaments, ribbons, and 

 filmy plates prevailing; and often profuse branching occurs, 

 the plants resembling mosses of delicate texture (Figs. 116 

 and 117). One remarkable group, chiefly displayed on 

 tropical and surf-beaten coasts, contains such a deposit of 

 lime in the cell-walls that the forms resemble branching 

 corals or coral-like incrustations; and for this reason they 

 are called corallines. 



Red Alga3 are all anchored forms, and are chiefly dis- 

 played in temperate and tropical waters. While not re- 



