102 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 12 



tide, Pta. Albemarle, nos. 34-101 34-102, 12 Jan. 1934. Ibid., south 

 shore of Banks Bay, nos. 34-127, 34-128, 13 Jan. 1934. Ibid., dredged 

 from 4-6 meters' depth off Black Bight, Schmitt no. 63 A -33, 8 Feb. 1933. 

 Ibid., intertidal on reef north of Tagus Cove, no. 34-170, 13 Jan. 1934. 

 Ibid., brought up on anchor from 5,4 meters' depth in Tagus Cove, no. 

 34-150, 13 Jan. 1934. Ibid., intertidal in Cartago Bay, no. 34-352B, 25 

 Jan. 1934. Ibid., I. San Salvador, Hassler Exped. no. 1015, June 1872. 

 Ibid., Albatross Exped. no. 11, no date. Ibid., growling near low tide line 

 on I. Bartolome, no. 34-341, 23 Jan. 1934. Ibid., dredged at 4-7 meters' 

 depth at Velero Bay, I. Baltra, Schmitt no. 87A-33, 19 Feb. 1933. Ibid., 

 dredged from 9 meters' depth, no. 34-336, and dredged on anchor, no. 

 34-338, 22 Jan. 1934. Ibid., I. Santa Cruz, Hassler Exped. no. 1006, 

 June 1872. Ibid., dredged from 9-18 meters' depth near Eden I., Con- 

 way Bay, Schmitt no. 81A-33, 16 Feb. 1933. Ibid., dredged from 5-7 

 meters' depth at Academy Bay, Schmitt no. 51 A -33, 4 Feb. 1933. Ibid., 

 on rocks in the littoral in front of the settlement, no. 34-303, 20 Jan. 

 1934. Ibid., dredged at sta. 169 off Academy Bay, no. 34-304, 20 Jan. 

 1934. Ibid., on the shore east of Wreck Bay, I. San Cristobal, Schmitt 

 no. 41C-33, 30 Jan. 1933. Ibid., dredged in 4-6 meters' depth in the 

 bay, I. Santa Fe, Schmitt no. 46B-33, 2 Feb. 1933. Ibid., frequent in 

 the lower littoral at Black Beach Anchorage, I. Santa Maria, no. 34-210, 

 17 Jan. 1934. Guayas, dredged from 2-4 meters' depth along the village 

 beach. La Libertad, Schmitt no. 12B-33, 19 Jan. 1933. Ibid., dredged 

 off La Playa from 4 meters' depth, Schmitt no. 14B-33, 20 Jan. 1933. 

 Ibid., scraped from a mooring buoy, Schmitt no. 12aA-33, 19 Jan. 1933. 

 Ibid., from the northwestern beach near Salinas, nos. 34-455B, 34-456, 8 

 Feb. 1934. Ibid., in tide pools at Pta. Santa Elena, Salinas, Schmitt nos. 

 502, 513, 12, IT ^^V^t. 1926. 



Padina concrescens Thivy n. sp. 



73 



Plants gregarious, 5-10 cm in length, commonly procumbent, when 

 imbricate, orbicular flabellate, estipitate, with no defined holdfast, attach- 

 ing by ventral rhizoidal cushions; when assurgent with more definite 

 holdfast and the basal portion stipelike and stupose, the upper portions 



'i'3 Padina concrescens Thivy n. sp.(ex manuscripto inedit.) — Plantae gregariae, 

 5-11 cm longae, partim procumbentes, crustiformes, imbricatae, orbiculari-flabelli- 

 formes, basi truncatae, estipitatae, absque bysso sed subtus pulvinis rhizoidalibus 

 dispersis adfixae, partim assurgentes vel erectae et prope basin per 2 cm stipiti- 

 formes et byssiformes; partibus erectis inter se a pulvinis adhaerentibus etiamque 

 paucas planras erectas autoephiphyticas sustinentibus; margine apicali sui 

 involuta: zonis piliferis primariis solum in pagina inferiore sitis: zonis pili 



rsum 

 feris 



