. Contributions from the New York Botanical Garden. Plants. 468 Benedict: The genus Ceratopteris ovate-lanceolate, blunt or acute, 1-2.5 cm- l°ng» 2 5 rnm. broad : fertile leaves taller than the sterile, the lamina oblong, 20-55 cm- long, 10-30 cm. broad, 2-5 times pinnately divided, the pinnae. FIGURE I. Ceratopteris thalictroides (L.) Brongn., Lamao River, Mt. Mariveles, Prov. Bataan, Central Luzon, Philippine Islands, A'. S. Williams 2gg. About one third the natural size. and smaller divisions often distant, the ultimate segments flagelli- form, 1-6 cm. long, the margins revolute, covering

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. Contributions from the New York Botanical Garden. Plants. 468 Benedict: The genus Ceratopteris ovate-lanceolate, blunt or acute, 1-2.5 cm- l°ng» 2_5 rnm. broad : fertile leaves taller than the sterile, the lamina oblong, 20-55 cm- long, 10-30 cm. broad, 2-5 times pinnately divided, the pinnae. FIGURE I. Ceratopteris thalictroides (L.) Brongn., Lamao River, Mt. Mariveles, Prov. Bataan, Central Luzon, Philippine Islands, A'. S. Williams 2gg. About one third the natural size. and smaller divisions often distant, the ultimate segments flagelli- form, 1-6 cm. long, the margins revolute, covering 2 or 3 rows of areolae, and 1 or 2 rows of sporangia with well-developed annulus and lip-cells : spores 32. [Figure i.]. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. New York Botanical Garden. New York : The Garden