NO. 1 TAYLOR: PACIFIC MARINE ALGAE 97 



Zonaria Farlowii Setchell & Gardner 



Setchell & Gardner 1924b, p. 11 ; 1925, p. 660, pi. 97. 



Mexico : Baja California, on rocks at South Bay, I. Cerros, no. 34- 

 650, 10 Mar. 1934. Ibid., drifted ashore at Point Hughes, Cabo San 

 Lazaro, no. 34-595, 7 Mar. 1934. 



Zonaria lobata C. Agardh 



Piccone 1886, p. 89, 1889, p. 40; Farlow 1902, p. 93. 



Recorded from I. San Cristobal and I. Santa Maria, Archipielago de 

 Colon. Whatever this is, it is probably not Z. zonalis (Lamouroux) 

 Howe of the Caribbean. 



POCOCKIELLA Papenfuss, 1943 



Thallus flat, decumbent or erect, simple or becoming lobed or lacinate ; 

 growth by a marginal series of initial cells; structurally showing a small- 

 celled cortex and a thick medulla of several layers, of which the median 

 layer is of larger cells ; reproductive organs in indefinite superficial sori, 

 the tetrasporangial sori lacking paraphj'ses. 



Pocockiella variegata (Lamouroux) Papenfuss, /orwfl 



Plant crustaceous, attached by moniliform rhizoids on the under 

 surface; total thickness 120 jx or somewhat more; upper cortex of one 

 layer of small cells 9-13 (j. long, 12 /* broad in surface view; subcortical 

 layer of somewhat larger cells ; upper submedullary layer of thin cells of 

 the same lateral dimensions as the cuboidal cells of the central medulla; 

 lower submedullary cells like the upper; lower subcortical laj'er absent; 

 lower cortex of cells about 4 times as large as those of the upper cortex ; 

 marginal growing cells very large, to 40-45/a wide, the lower segments 

 dividing less than the upper. 



Papenfuss 1943, p. 467, figs. 1-14; B0rgesen 1926, p. 77 (as Agla- 

 ozonia canariensis) ; Taylor 1928, p. 124, pi. 15, figs. 20-22, pi. 17, fig. 4 

 (as Zonaria variegata) , probably also p. 116, pi. 15, figs. 23-25, pi. 37, 

 fig. 4 (as y^. canariensis) ; 1942, p. 55 (as Z. variegata) ; Setchell & Gard- 

 ner 1930, p. 147 (as A. canariensis) . 



Mexico: Is. Revilla Gigedo, from shore rocks. Sulphur Bay, I. 

 Clarion, no. 39-17, 16 Mar. 1939. Ibid., on rocks in tide pools at Braith- 

 waite Bay, I. Soccoro, no. 34-33 A, 3 Jan. 1934. Ecuador: Archipi- 



