Poa *annua L.—Low Spear Grass. (Groh). *compressa L.-—‘Canada Blue Crass. (Groh). triflora Gili’b.——False Red Top. (Groh). pratemis L.—June Grass. (Groh). Glyceria nervata (Willd.) Trin.—Fowl Meadow Grass. (Bain) grandis Wats.—Reed Meadow Grass. (Adams). fiestuca rubra L.—Red F escue. (Groh). oz'ina L.——Sheep’s Pescue. (Groh). *elatior L.—-Mead0w or Tall Fescue. (Bain). Agropyron repens (L.) Beauv.———Couch Grass- (Groh). Hordcum jubatum L.—Wi1d Barley, Squirrel-tail. (Groh). CYPERACEAE Like the grasses, this extensive family is a difficult one. Sch/[714's americanus Pers.—Three-square, Chair-maker’s Rush. (B. Hurst). cyperinus (L.) Kunth.——Wool Grass. (L. H. Muttart). atrocincms Fermi—Blaok—lbanded Bulrush. (B. Hurst)+ Eriapllomm callih'ix Cham.——Hare’stail Cotton-grass. (B. Hurst) angustifolium Roth—Fall Lotton—grass. (B. Hurst). virginicum L.—Virgina Cotton—grass. (B. Hurst)+ Heleocharis palmms L.—Cree1ping Spike-rush. (J. Macoun). Carex acuta L.—Sharp-glumed Sedge. (Adams). aenea bernala—bronze hedge. (Adams). albwans Wllld.—Whitlsh beuge. (Adams). arctata bcott.—l)roop1ng Wood—Sedge. (Adams). Bebbn' ()mey—Bebb's Blunt Broom—Sedge. (Adams). brunnescens Poir—Brownish Sedge. (Adams). cameycem L.—Silvery Sedge. (Adams). cephalantha (L. H. Bailey) Bicknell.—(Adams). communis L. H. Bailey—Common Sedge. (Adams). C-rawfordii Fernald.—'Crawf.ord’s Sedge. (R. R. Igurst). crim'ta Lam.——Fringed Sedge. (Adams). deflexa Hornemann.—Northern Sedge. (Adams). var. Deanii Bailey. (J. Macoun). Deweyana Schwein.—Dewey’s Sedge. (Adams). diandra Schrank.——Lesser Panicled Sedge. (Adams). disperma Dewey.—Two—seeded Sedge. (Adams). flexuosa Muhl.—Wavy Sedge. (Adams). foenea Willd.———Hay Sedge. (Adams). gymmdra Schwein.—Nodding Sedge. (Adams). hirta L.—Hairy Sedge. (Adams). (6)