306 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 12 



Bostrychia radicans (Montagne) Montagne 

 Montagne 1840, p. 199, pi. 5, fig. 3 (as Rhodomela radicans) ; 1850, 

 p. 286 (as Bostrychia radicans), p. 287 (as B. Leprieurii) ; Taylor 1936, 

 p. 374 (as B. rivularis) ; Post 1936, p. 13 ; Tseng 1943, p. 168. 



Colombia : Choco, on shaded rocks along the shore, above high tide 

 line, Cabo Corrientes, no. 34-496 p. p., 13 Feb. 1934. Valle, mouth of 

 Rio Dagua, Bahia Buenaventura, coll. E. P. Killip no. 33002 p. p., 3 Feb. 

 1939. Ecuador: Archipielago de Colon, on the roots of Rhizophora in 

 a lagoon, Pta. Albemarle, I. Isabela, no. 34-99, 12 Jan. 1934. Ibid., on 

 the roots of Rhizophora grovi^ing along the seashore, no. 34-117 p. p., 12 

 Jan. 1934. Esmeraldas, on the roots of Rhizophora along the shore of 

 Bahia San Francisco, no. 34-490 A, 11 Feb. 1934. 



Bostrychia Galliptera (Montagne) Montagne 

 Montagne 1840, p. 198, pi. 5, fig. 2 (as Rhodomela Galliptera) ; 

 1850, p. 286 (as Bostrychia Galliptera) ; Post 1936, p. 24. 



Panama : abundant in the lower spray zone of the surf, in clefts and 

 under ledges, no. 39-132 (tetrasporic), 26 Mar. 1939. Colombia: 

 Choco, on shaded rocks along the shore, above high tide line, Cabo Cor- 

 rientes, no. 34-496 p. p., 13 Feb. 1934. Valle, mouth of Rio Dagua, 

 Bahia Buenaventura, coll. E. P. Killip no. 33002 p. p., 3 Feb. 1939. 

 Ibid., from damp shaded shore rocks well above spray or ordinary high 

 tides on I. Gorgona, no. 34-495D, 12 Feb. 1934. Ecuador: Archipiel- 

 ago de Colon, on the roots of Rhizophora in a lagoon near Albemarle Pt., 

 I. Isabela, no. 34-99 p. p., 12 Jan. 1934. Ibid., from Rhizophora roots 

 in a lagoon near the buildings, Academy Bay, I. Santa Cruz, no. 34-301B 

 p. p., 20 Jan. 1934. 



Bostrychia tenella J. Agardh 

 Taylor 1928, p. 167; Post 1936, p. 25 ; Tseng 1943, p. 176. 

 Costa Rica : common from high on the cliff faces, but within reach 

 of the splash of the waves, Golfo Dulce, no. 39-98, 26 Mar. 1939. Ec- 

 uador: Archipielago de Colon, from an old stump half buried in the 

 beach, Pta. Albemarle, I. Isabela, no. 34-113, 12 Jan. 1934. Ibid., from 

 the roots of Rhizophora growing along the shore, no. 34-117 p. p., 12 Jan. 

 1934. 



Bostrychia Binderi Harvey 



Post 1936, p. 28; Tseng 1943, p. 177. 



Ecuador: Archipielago de Colon, from rocks along the shore, I. 

 Fernandina, no. 34-156, 14 Jan. 1934. Ibid., from the roots of Rhizoph- 

 ora in a lagoon near the buildings. Academy Bay, I. Santa Cruz, no. 

 34-301 B p. p., 20 Jan. 1934. 



