Padina vickersiae Hoyt
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Authority
Britton, Nathaniel L. & Millspaugh, Charles F. 1920. The Bahama Flora.
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Family
Dictyotaceae
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Scientific Name
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Description
Species Description - Thallus stipitate, 4-22 cm. tall, 5-37 em. broad, entire when young, becoming repeatedly more or less deeply laciniate, the segments varying from cuneatespatulate to fan-shaped, sometimes encrusted with lime, the interpilar zones 1.5-8 mm. wide, often inconspicuous in older parts, the subterete, rhizoid covered stipe commonly 3-12 mm. long; lamina of 2 or 3 layers of cells at revolute apical margin, of 4 layers throughout most of thallus, becoming 6-8 layers toward base; epidermal cells about one half as long as the central cells; dioicous; antheridia and oogonia in often broken lines near the middle of each interpilar zone, occurring on both surfaces but chiefly on the ventral, the oogonia with a thin evanescent indusium, the antheridia naked; tetrasporangia borne in a similar manner, often in scattered irregular sori near middle of interpilar zone, the thin indusium commonly subpersistent.
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Discussion
Type a tetrasporic plant collected from Fort Macon jetty. Beaufort. North Carolina, by W. D. Hoyt, August 23, 1907. and deposited in the I'. R. National Herbarium. Representatives of this species have often been erroneously identified with j'aiiiini navonia CL.) Gaill. and . Durvillaei Bory. Paflinn dubia Ilauck, from East Africa, is a much closer relative and may prove to be identical. In shallow water. New Frovidenee. Berry Islands, and Eleuthera : Bermuda and North Carolina to Brazil. Type from North Carolina
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Distribution
New Providenee. Berry Islands, and Eleuthera : Bermuda and North Carolina to Brazil. Type from North Carolina.
New Providence Bahamas South America| Berry Islands Bahamas South America| Central Eleuthera Bahamas South America| North Carolina United States of America North America| Brazil South America|