. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . >. PLATE XVIII. Gigartina spinosa. Gigartina microphylla. RED SEAWEEDS 81 stunted ; but under the shelter of rocks, in deep water, it grows in densemasses and is a dark purplish-red or reddish-green. Often it appearsiridescent when seen through the water, with the sun shining on it. Itis firm and leathery in substance. It is an edible alga, and was formerlyvery generally used for culinary purposes. At Hiugham, Massachusetts,large quantit
. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . >. PLATE XVIII. Gigartina spinosa. Gigartina microphylla. RED SEAWEEDS 81 stunted ; but under the shelter of rocks, in deep water, it grows in densemasses and is a dark purplish-red or reddish-green. Often it appearsiridescent when seen through the water, with the sun shining on it. Itis firm and leathery in substance. It is an edible alga, and was formerlyvery generally used for culinary purposes. At Hiugham, Massachusetts,large quantities are gathered asan article of commerce. It is a beautifuland very common plant found from New York northward. (Plate XVII.) GENUS Gif/aitina Of the species of this genus but one is found on the easterncoast; on the Pacific coast there are several, and they are largeand conspicuous. G. tttinnillosa. Frond three to six inches high, one inch to twoinches broad, flat, leathery, gelatinous ; forking near the base, then divid-ing and subdividing in the same plane; segments more or less wedge-shaped and with a tendency to
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmarinea, bookyear1901
