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132 FLORA OF WASHINGTON AND VICINITY. Aristida purpurascens, Poir. Little Falls (Dr. Vasey). 'Spartina cynosuroides, Willd. Fresh-water Cord-Grass. Flats under Cliain Bridge. August. Gymnopogon racemosus, Beauv. Naked-beard Grass. Last half of September. Cynodon Daciylon, Fers. Bermuda-Grass. Scutch-Grass. All my efforts to find developed grains have thus far proved unavailing. July. tUletisine Indica, Gaertn. Crab-Grass. Yard-Grass. July. Tricuspis seslerioides, Torr. Tall Red-top. August. i 'Dactylis glomerata, L. Orchard-Grass. Middle of May. J Xatonia Pennsylvanica, Gray. Varies much in appearance, there being a wood-form with slender culms and very short upper leaves, and a meadow-form much taller and stouter, with the panicle i partly included and upper leaves flat, 5"" wide and nearly a decimeter in length. Last half of May. Melica mutica, Walt. Melic-Grass. Last of April or first of May. Glyceria nervata, Trin. Manna Grass. Fowl Meadow-Grass. Last of May. « Glyceria aquatica, Smith. Reed Meadow-Grass, Terra Cotta Swamp. Last of June or first of July. Glyceria fluitans, R. Br. Broadwater; found only in one of the many pools among rocks. July 6, 1879, late; should bo collected in June. iPoa annua, L. Low Spear-Grass. Last of April or first May. tPoa compressa, L. Wire-Grass. Last of May or first of June. Poa compressa, L., var. gracilis (Oakes?). Habit very unlike that of the type, and more certainly indigenous. First half of June. ( tPoa pratensis, L. Common Meadow-Grass. Kentucky Blue Grass. Middle to end of May. Poa trivialis, L. Roughish Meadow-Grass. Last half of May. Poa sylvestris. Gray. Last half of May. ' \
Poa flexuosa, Muhl. First half of May. Poa brevifolia, Mnlil. March or early iu Aiiril. Eragrostis reptans, Nees. FLORA OF WASHINGTON AND VICINITY. 133 Islands of the Potomac. July, August. Eragrostis imaoides, Beauv. liare. July. Eragrostis jJo«'OiV7es, Beauv., xar. megastacliya, Gray. In the city. July. Eragrostis Frankii, Meyer. Little Falls, rare. Septemher. Eragrostis Purshii, Schratl. (?) Abundant in the city, and apparently introduced. Dr. Vasey thinks this is E, Purshii, and so it must be if the acute 3-nerved flowering glume is characteristic of that species, hut our plant is often only 12
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^cparimcnf of fhc ^nUviovt U. S. NA
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D auiDE THE FLORA OF WASHINGTON AND
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g PREFACE. Prof. J. W. Cliickering,
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I. INTRODUCTORY REMARKS. This monog
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FLORA OF WASHINGTON AND VICINITY. 1
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(4) Sabbatia gracilis, Salisb. FLOR
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FLORA OF WASHINGTON' AND VICINITY.
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: FLORA OF WASHINGTON AND VICINITY,
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FLOKA OF WASHINGTON AND VICINITY. 3
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FLOKA OF WASHINGTON AND VICINITY. 5
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62 FLORA OF AVASHINGTON AND VICINIT
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64 FLORA OF WASHINGTON AND VICINITY
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72 FLOKA OF WASHINGTON AND VICINITY
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Page 154 and 155: 1. Clematis ochroleuca, Ait. 2. Cle
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Page 160 and 161: 154 138. Sida spinosa, L. 139. Abut
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Page 172 and 173: 16fi 424. Solidago gigantea, Ait. 4
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182 FLORA OF WASHINGTON AND VICINIT
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184 FLOEA OF WASHINGTON AND VICINIT
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186 894. Sagittaria variabilis, Eng
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1^4 FLORA. OF WASHINGTON AND VICINI
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IDO FLOEA OF WASHINGTON AND VICINIT
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202 FLORA OF WASHmGTON AND VICINITY
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206 FLOEA OF WASHINGTON AND VICINIT
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^I^FEISTDIX:. SUGGESTIONS TO BEGINN
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flora of washington and vicinity. 2
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\ FLOEA or WASHINGTON AND VICINITY.
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INDEX [Species are not indexed exce
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Balm 105 of Gilead 117 Balmony 101
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INDEX. 243 Page. Carex polyraorpha
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Coreopsis discoidea rosea verticill
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INDEX. 247 Page. Eleocharis paliist
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INDEX. 249 Page. Goldie's "Wood-Fem
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Introduced species, Number of, from
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INDEX. 253. Page. Magnolia Family 6
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INDEX. 255 Pago. Orchis FamDy 119 O
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INDEX. Page. Population in 1830 and
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INDEX 259 Page. Saltwort 107 Salvia
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INDEX. 261 Page. Staghorn Sumac 73
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Viburnum dentatum 49 nudum 49 pruni
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