. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . PLATE XXXVI. Prionitis Andersonii. Halosaccion raruentaceum. Pikea ides rotundus. RED SEAWEEDS 95 with numerous forward-pointing branchlets, which in turn have spine-like ramuli of various lengths; frond flat, broadly spreading; dark is common at all seasons on the California coast. (Plate XXXVI.) GENUS Halosaccion H. ramentaceum. Fronds brownish-purple, six to fourteen incheslong, coarse and cartilaginous, cylindrical, hollow, compressed, attenu-ated a
. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . PLATE XXXVI. Prionitis Andersonii. Halosaccion raruentaceum. Pikea ides rotundus. RED SEAWEEDS 95 with numerous forward-pointing branchlets, which in turn have spine-like ramuli of various lengths; frond flat, broadly spreading; dark is common at all seasons on the California coast. (Plate XXXVI.) GENUS Halosaccion H. ramentaceum. Fronds brownish-purple, six to fourteen incheslong, coarse and cartilaginous, cylindrical, hollow, compressed, attenu-ated at the base; more or less covered with simple or forked hollowbranches half the size of the main stem. In exposed pools the plants areshort and densely branched; in sheltered places they are larger andmore delicate in texture. They are common on the northern New Eng-land and northern California coasts. (Plate XXXVI.) SUBORDER EHTZOPHYLLIDE^:GENUS Poly ides P. rotundus. Frond three to six inches high, cylindrical, cartilagi-nous, repeatedly forked, ends obtuse; spore-masses form numerous lighter-colored excrescence
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmarinea, bookyear1901
