RED ALG^E. 23 f 



ing, viz. : putting every secondary branch upon the 

 inside of its primary, and bending the primary out- 

 ward and backward. This plant could hardly fail to 

 give a fruitful hint, for a decorative design, to any 

 artistic mind. 



It is found only in the northern waters of the 

 Pacific, as its name implies. But it is common at 

 Santa Cruz, in tide pools, at all seasons. It is of a 

 very dark brown color, often almost black. It does 

 not very perfectly adhere to paper, and so like its 

 "next of kin," M. Coultcri, it becomes a very useful 

 plant in working out beautiful "Sea Moss " designs. 



Genus.— CERAMIUM* Ag. 



This genus furnishes several of our most common 

 and most beautiful "Sea Mosses." There are plenty 

 of good reasons for all being favorites with collectors. 

 The distinguishing characteristics of the genus are 

 either or both of the following, viz.: i. The ten- 

 dency of the tops of the brandies to bend in 

 towards each other, the last fork being quite in- 

 curved and hooked, like two minute fish-hooks, turned 

 point to point. 2. The variegation of the stems and 

 branches, as seen with a good pair of eyes, or 



* Cuamium A pttchnr, referring to fruit. 



