i92o] SetcheU-Gardner: Melanophyceae 537 



1. Ilea Fascia f. typica S. and G. 



Setchell and Gardner. Phyc. Cunt., VII, 1924, p. 12. 



f. typica is founded on Fiicus Fascia, Mueller, Fl. Dan., 1778, pi. 

 768. The plants distributed in Collins, Ilolden and Setchell, Phyc. 

 Bor.-Amer. (Exsiec), no. 1131, are fairly representative of the typical 

 form. It extends along the coast from Puget Sound, Washington, to 

 southern California. 



2. Ilea Fascia f. debilis S. and G. 



Setchell and Gardner, Phyc. Cont., VII, 1924, p. 12. 



f. dehUis is founded on Lammaria dehilis Agardh. We have a few 

 specimens representative of this form from San Juan Island, Wash- 

 ington. They measure up to twelve centimeters wide and twenty-five 

 centimeters long. 



3. Ilea Fascia f. caespitosa S. and G 



Setchell and Gardner, Phyc. Cont., VII, 1924, p. 13. 



f. caespitosa is founded on Laminaria caespitosa J. G. Agardh, Sp. 

 Alg., I, 1848, p. 130, and is well illustrated in Thuret and Bornet, 

 Etudes Phyc, 1878, pi. 4. The plants distributed in Collins, Holden 

 and Setchell, Phyc. Bor.-Amer. (Exsiec), no. 736 may be considered 

 to represent this form. It is known only in the extreme northern 

 portion of our region. 



4. Ilea Fascia f. zosterifolia S. and G. 



Setchell and Gardner, Phyc. Cont., VII, 1924, p. 13. 



f. zosterifolia is founded on Phyllitiis zosterifoii-a Reinke, Algenfl. 

 westl. Ostsee, 1889a, p. 61. This form has been detected in but a 

 single locality on our coast, viz., Pebble Beach, Carmel Bay, Monterey 

 County, California. 



5. Ilea Fascia f . filiformis S. and G. 



Setchell and Gardner, Phyc Cont., VII, 1924, p. 13. 



f. filiformis is founded on Phyllitis filiformis Batters, in Linn. Soc 

 Journ. Bot., vol. 24, 1888, p. 451, pi. 18, figs. 1-6. This form has not 

 been detected on our coast. 



