. Bulletin. Science; Natural history; Natural history. 106 SOUTHERN CALIFORNIA ACADEMY OF SCIENCES. Fig. 1. Berkeleya hyalina (Round & Brooks) Cox. Whole plant from San Diego Co. Species New to California.—^2Ln Diego records for species that have been added to the Cahfornia flora since Abbott and Hollenberg's Marine Algae of California was pubUshed (1976) are summarized as follows. Naviculaceae, Bacillariophyta Berkeleya hyalina (Round and Brooks) Cox, a colonial benthic diatom, was identified (Chastain and Stewart 1985) on the basis of culture and field studies and microscopic examination
. Bulletin. Science; Natural history; Natural history. 106 SOUTHERN CALIFORNIA ACADEMY OF SCIENCES. Fig. 1. Berkeleya hyalina (Round & Brooks) Cox. Whole plant from San Diego Co. Species New to California.—^2Ln Diego records for species that have been added to the Cahfornia flora since Abbott and Hollenberg's Marine Algae of California was pubUshed (1976) are summarized as follows. Naviculaceae, Bacillariophyta Berkeleya hyalina (Round and Brooks) Cox, a colonial benthic diatom, was identified (Chastain and Stewart 1985) on the basis of culture and field studies and microscopic examination of cleaned frustules. This species, as well as the better known B. rutilans, secretes and lives in tubes of mucilage that are aggregated into attached tufted thalli that resemble filamentous ectocarpoid algae. In the field, B. hyalina has an easily recognizable morphology (Fig. 1); details of cell and tube morphology are illustrated in the earlier report (Chastain and Stewart 1985). The species is presently known from Baja California, mainland southern California and offshore channel islands (K. A. Miller, pers. comm.) and the type locality in Togo, West Africa. In San Diego County it is often abundant in mid-intertidal habitats, April-October, on rocks or mollusc shells. Thalli grow to 3 cm high, are dark olive-brown, and slippery to the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Southern California Academy of Sciences. Los Angeles, Calif. : The Academy
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