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Spores large, reddish, minutely muricate.

Follicles turgid, mostly muricate with soft warty projections, sometimes ribbed.

Silvery-mealy, diffusely spreading; leaves oblong, narrowed at base, nearly sessile; fruiting bracts broadly wedge-shaped, united, 3-nerved, 2–5 toothed at the summit, and usually strongly muricate and reticulate on the sides.—Sandy beaches, along the coast, Mass. to Fla. 3.

Filament slender; anther 2-celled, didymous; the cells dehiscent transversely; pollen-grains large, spherical, muricate.

Pod prickly or muricate, short, nearly indehiscent.