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Bulletin - United States National Museum - Smithsonian Institution

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126 FLORA OF WASHINGTON AND VICINITY.<br />

tScirpus planitolius, Mulil.<br />

Kalorama Heiglits, also near the East Corner of the District. Last half of May.<br />

Scirpus pungens, Vahl.<br />

Shores of the Potomac, between tides. Culms often twisted. June, July.<br />

Scirpus validus, Vahl. Great Bulrush. Tule.<br />

June, July.<br />

Scirpus debilis, Pursh.<br />

*<br />

Terra Cotta; also on the Flats below Chain Bridge. Middle of September.<br />

Scirpus fluviatilis, Gray. River Club-Rush.<br />

July.<br />

Scirpus sylvaticus, L. Wood Club-Rush.<br />

Anacostia Road above Uuiontown (Dr. Vasey, 1881). Last half of July.<br />

t Scirpus atrovirens, Muhl. Club-Rush.<br />

July.<br />

Scirpus polyphyllus, Vahl.<br />

June, July.<br />

Scirpus lineatus, Michx.<br />

June.<br />

t Scirpus Eriophorum, Michx. Wool-Grass. Clump-head Grass.<br />

August.<br />

t Eriophorum Virginicum, L. Cotton-Grass.<br />

Terra Cotta Swamp. August ; fruit, end of September.<br />

Fimbristylis autumnalis, Roem. & Schultes.<br />

.July to September.<br />

Fimbristylis capillaris, Gray.<br />

Reform School. September 15, 1878 (late).<br />

Rhynchospora alba, Vahl. Beak-Rush.<br />

Holmead Swamp. July, August.<br />

+ Rhynchospora glom.erata, Vahl.<br />

July.<br />

Scleria triglomerata, Vahl. Nut-Rush.<br />

Near the Agricultural College, Md. (Dr. Vasey).<br />

Scleria oligantha, Ell.<br />

Rock Creek above Davis's Quarry; June 1874 (Dr. Vasey).<br />

Scleria pauciflora, Miihl.<br />

Rock Creek above Davis's Quarry (Dr. Vas(\y); near the crossing of the Beunings<br />

Road and the Anacostia Road. May, June.<br />

Carex polytrichoides, Muhl. Sedge.<br />

June.

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