. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . arrow, or short and broad, tapering at both ends, or blunt at the apex,or deeply cleft into many segments; sometimes with leaflets along theedges; height two to three feet; color reddish-brown; in fading,changes to purple and green, and may be variegated. When simple,the plant resembles Irideea. Found on the northern California coast. GENUS Prionitis P. lanceolata. Frond narrow, flat, smooth; leathery stems, whichbranch irregularly and sparingly from the edges ; branches borde
. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . arrow, or short and broad, tapering at both ends, or blunt at the apex,or deeply cleft into many segments; sometimes with leaflets along theedges; height two to three feet; color reddish-brown; in fading,changes to purple and green, and may be variegated. When simple,the plant resembles Irideea. Found on the northern California coast. GENUS Prionitis P. lanceolata. Frond narrow, flat, smooth; leathery stems, whichbranch irregularly and sparingly from the edges ; branches borderedwith lance-shaped leaflets; color dark brownish-red ; plant ten or moreinches high, and varies considerably. (Plate XXXV.) There are other species, among them P. Andersonii (Plate XXXVI);all are easily distinguished by the lance-shaped leaflets. Common onthe Pacific coast. SUBORDER DUMONTIEJEGENUS Pikea P. Californica. Divisions of frond thick, narrow, cartilaginous; central axis one eighth of an inch to one inch wide, three to four incheshigh, thickly set with similar branches irregularly placed; all bordered. PLATE XXXV. Microcladia borealis. Microcladia CouHrri, lauceolata.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmarinea, bookyear1901
