HOW TO KNOW THE SEAWEEDS 

 146a Thallus sessile. Fig. 186 Hedophyllum 



Figure 186 



Fig. 186. Hedophyllum sessile (C. Agardh) Seichell 



A plant of moderate size showing the sessile, irregularly divided, 

 fan-shaped blade, X 0.32. 



This genus is represented by two species occurring along the 

 colder, northern portions of our Pacific Coast all the way to the Ber- 

 ing Sea. H. sessile extends as far south as central Cahfornia. 



143 



