CENTER FOR PHYCOLOGICAL DOCUMENTATION
DECEW'S GUIDE

Hincksia granulosa ( J. E. Smith ) Silva
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plurilocular plant and plurilocular detail Synonyms: Ectocarpus granulosus ( J. E. Smith ) C. Agardh, Giffordia granulosa ( J. E. Smith ) Hamel, E. oviger Harvey, G. oviger ( Harvey ) Hollenberg et Abbott Illustrations: Abbott and Hollenberg 1976, p. 142, fig. 103 ( plurilocular plant ); Apt et al. 1988, p. 60, fig. 17 ( photomicrograph: habit, plant with plurilocular sporangia ); Cardinal 1964, fig. 19 a, b ( branching pattern ), fig. 19 c ( cellular detail ), figs. 19 d, f, h, j ( plurilocular plant ), figs. 19 e, g ( plurilocular organs ); Fletcher 1981, p. 214, fig. 1 ( photo: habit ), figs. 2 & ndash; 4 ( photos: developing germlings ), figs. 5 & ndash; 11 ( photos: developing rhizoids and basal system ); Smith 1944, pl. 11, fig. 1 ( plurilocular plant ), fig. 2 ( plurilocular organ ); W. Taylor 1937, pl. 7, fig. 7 ( plurilocular plant ), fig. 8 ( plurilocular detail ) Pacific Coast Distribution: Victoria, Esquimalt, British Columbia ( Scagel 1957, p. 70 ) to Puget Sound, Wash. ( Scagel 1957, p. 70 ); Oregon ( Arch Cape, Clatsop Co.: Markham and Celestino 1977, p. 258; Coos Bay; Cape Arago: Doty 1947, p. 31 ); Humboldt Bay, Calif. ( DeCew in HSC ); Tomales Pt. and Tomales Bay, Marin Co ., Calif. ( Kjeldsen 1995, p. 23 ); San Francisco Bay, Calif. ( Kjeldsen 1995, p. 23 ); Monterey Peninsula, Calif. ( Smith 1944, p. 81 ); San Luis Obispo Co ., Calif. ( Sparling 1977, p. 34 ) to San Juan Capistrano, Orange Co ., Calif. ( UC 507563 ); Channel Is ., Calif. ( Santa Cruz I.: Apt et al. p. 41; San Nicolas I ., Santa Catalina I.: Murray 1974, p. 40 ); Baja Calif. ( Punta Descanso: Dawson 1953 b, p. 111; Cabo Thurloe: Dawson 1960 a, p. 36 ) Chemical Taxonomy: M & uuml; ller and Eichenberger 1994 Life History: only plurangial plants reported for the Pacific coast. In England, plurilocular plants are the most dominant, with only an occasional unilocular plant. Isolates bearing plurilocular organs released zooids which settled without fusing and grew into plants like the parent, bearing plurilocular organs. On only one occasion was a unilocular plant observed in culture ( Fletcher 1981 ). In Australia, field plants with plurilocular organs recycled directly in the same manner as the English plants ( Clayton 1974 ) Phenology: spring/summer annual Biology/Ecology: Fletcher 1981; Devinny 1978, p. 358; Aleem 1973, p. 88

							J	F	M	A	M	J	J	A	S	O	N	D
BRITISH COLUMBIA						Pl													Uncommon, on stones in pools, the low intertidal, and upper subtidal, and as an epiphyte on Desmarestia and the stipe of Nereocystis . Scagel 1957, pp. 69, 76.
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COLUMBIA RIVER						Pl													Common on rock, buoys, wood, in pools, in the low intertidal, and upper subtidal, epiphytic on larger brown algae. Doty 1947, p. 31. Sanborn and Doty 1947, p. 27. Markham and Celestino 1977, p. 258.
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CAPE ARAGO						Pl													Uncommon, in bays, on rocks in pools and the low intertidal. ( DeCew in HSC ). ( HSC 4342 ).
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CAPE MENDOCINO						Pl
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POINT ARENA						Pl													Uncommon, in the low intertidal, on rocks or as an epiphyte. Kjeldsen 1995, p. 23.
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SAN FRANCISCO						Pl													Uncommon, in pools and the low intertidal and subtidal to 35 feet, on rocks and as an epiphyte on larger algae. Smith 1944, p. 81.
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