170 FLORA OF MOUNT DESERT. Bot. Club, xvi. 219. Frequent. High Head; Browns Mt.; Youngs District, etc. (Rand);—Breakneck road (Redfield). Var. vicina, Dewey. “Looser and taller than the type, with many of the peduncles elongated and becoming true culms.” Bailey, l. c. More com- mon than the type. Sargent Mt.; clearings, near Sunken Heath; Intervale Brook valley; Beech Mt. Notch, etc. (Rand);—Somesville; Sargent Mt.; Beech Cliff (R. & R.). Forms intermediate between this and the type are not in- frequent. C. polytrichoides, Muhl. Low ground, and damp grassy places; common. C. stipata, Muhl. Very common, and variable. C. tenella, Schk. Damp places; infrequent. Sargent Mt.; woods on Town Hill road, Somesville (Rand). C. exilis, Dewey. Swamps and pond borders; frequent. Breakneck Ponds (R. & R.);—Somes Pond (E. Faxon);—Sunken Heath (Rand). Perigynia much infested by a smut. C. sterilis, Willd.—C. echinata, Murray, var. microstachys, Boeckl. Gray, Man., 6th ed., 618. Short, stiff, and erect (usually not much exceeding 1° in height), the old leaves often persistent; head tawny or greenish- yellow, short, composed of from three to five small loosish con- tiguous spikes, of which the uppermost is usually conspicuously attenuated at the base by the presence of staminate flowers,— sometimes the terminal spike, or even the whole head, is entirely staminate; perigynium thin and flat, conspicuously contracted into a slender beak,—which is nearly or quite as long as the body and spreading so as to give the spike an echinate appear- ance,—sharp-edged and rough on the upper margins, variously nerved and very sharply toothed. L. H. Bailey, Bull. Torr. Bot. Club, xx. 424. Common in bogs and meadows. Head of