. Gray's new manual of botany. A handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada. Botany. CYPERAOISAE (SEDGE FAMILY) 251. 534. C. comosa. C. Ptteudo-Cyperus. xigzag rhachis, cm. long, 1 cm. thick, evenly cylindrical, often staminate at top ; perigynia very abruptly contracted into a short but slender toothed beak. (C stenolepis Torr.) — Swamps and mead- ows. Pa. to 111. and southw. June-Sept. Fig. 532. 1G4. C. Pseudo-Cypdrus L. Tall and rather stout, ni. high, in clumps ; culm thick and very sharply triangular, rough thro
. Gray's new manual of botany. A handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada. Botany. CYPERAOISAE (SEDGE FAMILY) 251. 534. C. comosa. C. Ptteudo-Cyperus. xigzag rhachis, cm. long, 1 cm. thick, evenly cylindrical, often staminate at top ; perigynia very abruptly contracted into a short but slender toothed beak. (C stenolepis Torr.) — Swamps and mead- ows. Pa. to 111. and southw. June-Sept. Fig. 532. 1G4. C. Pseudo-Cypdrus L. Tall and rather stout, ni. high, in clumps ; culm thick and very sharply triangular, rough throughout; leaves very long, rough-margined, cm. wide; spikes 3-5, slenderly peduncled and more or less droop- ing, somewhat contiguous, cm. long, nar- rowly cylindrical (8-11 mm. thick), very compactly flowered ; perigynia strongly reflexed, more or l,gss 2-edged, many-costate, the beak shorter than the body, with erect short ( mm. long) teeth; scales very rough-awned, about the length of the perigynia. — Bogs and shallow water, Gulf of St. Lawrence to Sask., locally s. to Ct., centr. N. Y. and the Great Lakes. June- Aug. (Eu.) Fig. 533. 165. C. combsa Boott. Mostly stouter ( m. high), the leaves broader (6-16 mm. wide) ; spikes cm. thick, more loosely flow- ered; perigynia longer, the beak mostly longer than the body and the teeth long ( mm.) and spreading. (C. Pseudo-Ct/pents, var. americana Hochst.) — Swamps, N. S. to Wash., s. to Fla., La., and s. Cal. June-Aug. Fig. 534. 166. C. hystericina Muhl. Slender but erect, m. high ; culm very sharply angled and rough, at least above ; leaves 3-10 mm. broad, roughisli ; spikes 2-5, borne near the top of the culm, rarely very remote, the upper often sessile, the remainder on more or less filiform stalks, spreading or drooping, long, cm. thick, com- pactly flowered; perigynia greenish or straw-colored, strongly 15-20- nerved, the very slender beak strongly toothed; scal
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