166 FLORA OF MOUNT DESERT. 630 C. oligosperma, Mx. [illegible]. Rare. "Meadow at Gorge, near Bar Harbor" (W. Boott, spec. in Gray Herb.); — "Mt. Desert" (Randall Spaulding); — marsh, foot of Lower Breakneck Pond (E. Faxon). 631 C. utriculata, Boott. Swamps; common. A form with very narrow spikes, Pond C., Heath (R. & R.). 632 Var. minor, Boott. [illegible]. Infrequent. Long Pond meadows (Redfield); — Northeast Meadow (R. & R.). 633 C. lurida, Wahl. C. tentaculata, Muhl. Common in swamps and wet ground everywhere. Digby, Halib, Yarm. 634 C. hystericina, Muhl. Rare. Meadow on Little Harbor Brook (Redfield). 635 C. Pseudo-Cyperus, L. [illegible]. Not uncommon. Seal Harbor (Redfield); — bog south of Sea S. Bi Wall; bog at northern foot of Beech Hill (Rand). 636 C. scabrata, Schw. Common in wet ground. 637 C. Houghtonii, Torr. Richibucts Frequent by roadsides and in clearings. Roadside, Intervale Brook valley; Sea Wall (R. & R.); — clearings, Youngs Dis- district (Faxon & Rand); — East Peak of Western Mt.; near Oak Hill; road west of Browns Mt. (Rand); — Southwest Harbor (Faxon); — Bubble Pond road (T. G. White). 638 C. filiformis, L. Common in bogs and on boggy shores of ponds and streams. An immature form, probably var. latifolia, by roadside south of Salisbury Cove (Greenleaf, Lane & Rand). 639 C. fusca, All. C. Buxbaumii, Wahl. Rare. Summit of Green Mt. (E. Faxon).