C. Epigeios: stems 3-4 feet high, erect, firm; leaves long, narrow, somewhat glaucous; panicle branched, not spreading, from a few inches to near a foot long, often purplish; outer glumes very narrow-lanceolate, pointed, almost subulate. - Moist woods and thickets. Fl. July.
C. laneeolata is usually more slender, with a much looser panicle, more frequently assuming a shining purple colour.