1925] Setchell-Gardner : Melanophyceae 537 



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



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



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

 768. The plants distributed in Collins, Holden and Setehell, Phyc. 

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

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

 southern California. 



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



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



f. debilis is founded on Laminaria debilis 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 



Setehell 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 Setehell, Phyc. Bor.-Amer. (Exsicc), 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. 



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



f. zosterifolia is founded on Phyllitis zosterifolia 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. 



Setehell 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. 



