. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . base, leathery, smooth, brown, deeply cleftinto segments of unequal breadth. It is named from the hand-like formof the lamina. This species is found in Long Island Sound, but is notcommon south of Cape Cod. The stem is used by fishermen for knife-handles. Pieces of it, placed on the blades while green, contract in dry-ing and become solid. (Plate XIII.) For the genera Macrocystis, Nereocystis, Lessonia, and Tlialas- siophyttum, see the Introduction, pages 35, 36. ORDER DICTYOT
. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . base, leathery, smooth, brown, deeply cleftinto segments of unequal breadth. It is named from the hand-like formof the lamina. This species is found in Long Island Sound, but is notcommon south of Cape Cod. The stem is used by fishermen for knife-handles. Pieces of it, placed on the blades while green, contract in dry-ing and become solid. (Plate XIII.) For the genera Macrocystis, Nereocystis, Lessonia, and Tlialas- siophyttum, see the Introduction, pages 35, 36. ORDER DICTYOTACE^lGENUS Dictyota D. fasciola. Fronds olive-brown, expanded, membranaceous, erect,flat; many times forked narrow branches ; grows in tufts six to ten incheslong, matted at the base. J>. dichotoma. Same as D. fasciola, except that the divisions of theforked frond are one eighth to one half of an inch wide. Found in tide-pools in Southern waters. (Plate XIII.) GENUS Zon aria Z. lobata. Thallus flat, fan-shaped, but not so rounded as in Padinapavonia, twelve or more inches in height, cleft irregularly into many.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmarinea, bookyear1901
