^ 4 



CHAPTER III. 



Sub-class.— MELANOSPOR^. 

 Oxdex.—DJCTYOTE^. 

 Gex^us.— ZONARIA* A^. 



ZONARIA TOURNEFORTI I, LaM. 



'^1^1' ANY plants of this species have been dis, 

 <;^l^ tributed under the name of Z. flava. It is 

 common in southern CaHfornia, as some species of 

 this genus are in aH tropical and sub-tropical seas. 

 It grows from a short, flattened stem, a widely- 

 spreading, flat, fan-shaped frond, two to four inches 

 high, with obscure concentric bands of a darker color 

 on the olive green of the plant. The extreme rounded 



* Zonaria — belted or zoned. 



