93.
Carex
atlantica
L. H. Bailey, Bull. Torrey Bot. Club. 20: 425. 1893.
Carex stellulata Goodenough var. conferta Chapman, Fl. South. U.S., 534. 1860, not C. conferta Hochstetter ex A. Richard 1850
Culms 10—110 cm. Leaves 3—5 per culm; sheaths tight, inner band hyaline, 3.5—24 cm, apex concave, glabrous; ligules rounded to obtuse, 0.5—3.7 mm; blades plicate, 8—60 cm × 0.4—4(—4.5) mm, widest leaf 0.8—4(—4.5) mm wide. Inflorescences 0.8—5.5 cm; spikes 2—8; lateral spikes pistillate often with a few staminate flowers proximally, 3.1—13.1 mm, sessile, staminate portion 10-flowered, to 6.5 mm, pistillate portion 3—40-flowered, 2.5—12 mm; basal 2 spikes 1.5—18 mm apart; terminal spike gynecandrous, 4.8—23.7 mm, staminate portion 2—21-flowered, 1.8—13.5 × 0.8—1.3 mm, pistillate portion 4—38-flowered, 3—11 × 4.4—7.5 mm. Pistillate scales ovate to ± suborbicular, 1.2—2.4 × 1.2—2 mm, apex obtuse to acute. Staminate scales ovate-lanceolate to ovate, 1.3—3.5 × 0.8—1.4 mm, base clavate, apex acute to obtuse. Anthers 0.6—1.5(—1.8) mm. Perigynia spreading to reflexed, green, 6—13-veined abaxially, (0—)1—12-veined adaxially over achene, broadly ovate to suborbicular, cuneate or concavely tapered from widest point to beak, 1.9—3.8 × (1.3—)2.1—3 mm, 1.1—1.7(—1.9) times as long as wide; beak 0.45—1.25 mm, 0.23—0.5(—0.63) length of body, serrulate, teeth 0.15—0.45 mm. Achenes deltate to rhombic-orbiculate, 1—1.9 × 1—1.7 mm.
Subspecies 2 (2 in the flora): North America.
