. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . E^EGENUS Bangia B. fusco-purpurea ( brown-purple ). Fine, hair-like, unbranched,dark-purple filaments, one inch to six inches long. It grows in largepatches on rocks and woodwork, floating free, but falling into soft,silky, fleece-like masses when left by the tide. Common on northernshores. (Plate XXXVII.) GENUS Porphyra (Purple dye) This plant, except in color, is like the green alga Vim. Incolor it is purple of various shades. The species are named fromvariations in the outl
. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . E^EGENUS Bangia B. fusco-purpurea ( brown-purple ). Fine, hair-like, unbranched,dark-purple filaments, one inch to six inches long. It grows in largepatches on rocks and woodwork, floating free, but falling into soft,silky, fleece-like masses when left by the tide. Common on northernshores. (Plate XXXVII.) GENUS Porphyra (Purple dye) This plant, except in color, is like the green alga Vim. Incolor it is purple of various shades. The species are named fromvariations in the outline of the frond. They are found every-where, and throughout the year. The plants are edible, beingthe laver of commerce, eaten principally by the Chinese, whomake them into soup. P. vulgaris. Frond a broad, thin membrane of purple color, threeto twelve inches across; margin much waved; sometimes attached atthe center, often widelv expanded and folded, sometimes deeply lobed.(Plate XXXVII.) P. laciniata. Differs from P. vulgaris in being divided into narrowsegments or into wavy, ribbon-like forms. (Plate XXXVII.).
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmarinea, bookyear1901
