NO. 1 TAYLOR: PACIFIC MARINE ALGAE 183 



Lithophyllum Rileyi Lemoine 



Lemoine 1929, p. 68. 



Reported from I. San Salvador, Archipielago de Colon. 



Lithophyllum tessellatum Lemoine 



Lemoine 1929, p. 68, pi. 1, figs. 3, 6, pi. 4, fig. 7. 

 Reported from I. Isabela and I. Santa Maria, Archipielago de Colon. 

 By Setchell and Mason (1943, p. 89) removed to Goniolithon. 



Lithophyllum mutabile Lemoine 



Lemoine 1929, p. 70. 



Reported without definite locality from the Archipielago de Colon. 



TENAREABory, 1832 



Tenarea erecta Lemoine 



Lemoine 1929, p. 70, pi. 3, fig. 6. 



Reported from I. Isabela, Archipielago de Colon. 



FOSLIELLA Howe, 1920 



Plants forming thin, lightly calcified crusts adherent to the sub- 

 stratum, of one to a few layers, the basal of radial cell rows ; conceptacles 

 superficial or slightly immersed, rounded conical, with a single pore; 

 sporangia sometimes surrounding sterile central trabeculae; cystocarpic 

 conceptacles similar, smaller. 



Fosliella minuta, n. sp.^^® 



Plants very small, encrusting, calcified, of irregular form and extent, 

 the margin lobed; thickness about 22-30 /i, of one cell layer, the cells 

 deeper than wide, the breadth being about 18 /i; tetrasporic conceptacles 

 prominent, rounded, with an inconspicuous pore, or later the upper half 

 broken away, diameter 80-100 ^it; tetrasporangia 18-22 ^i diam., 39-42 p. 

 long, zonately divided. 



106 Fosliella minuta n. sp. — Plantae parvae, irregulares, marginibus lobatis ; 

 crassitudine circa 22-30 \Ji, strato uno cellularum 18 ti latitudine; conceptaculis 

 tetrasporicis prominentibus, 80-100 [i diam., ostiolo inconspicuo; tetrasporangiis 

 18-22 M. diam., 39-42 m- long. Planta tvpica in loco dicto Pta. Santa Elena, Salinas, 

 Ecuador, legit W. R. Taylor no. 34-472 A (p.p.), 8 Feb. 1934. 



