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Bulletin - United States National Museum - Smithsonian Institution

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128 FLORA OF WASHINGTON AND VICINITY.<br />

Carex straminea, Schk., var. aperta, Boott.<br />

Common (Dr. Vasey).<br />

Carex vulgaris, Fries.<br />

Chain Bridge (Dr. Vasey, May 22, 1881.)<br />

Carex torta, Boott.<br />

Broad Branch, (Dr. Vasey); Virginia shore of the Potomac above Rosslyn. Last<br />

half of May.<br />

Carex angustata, Boott. [C stricta, Lam.] Tussock Skdge.<br />

Middle of May.<br />

t Carex crinita. Lam.<br />

First half of July.<br />

Carex gynandra, Schw.<br />

.Tune.<br />

Carex Shortiana, Dew.<br />

First half of May.<br />

Carex tetanica, Schk.<br />

Oxen Rim; High Island. Last half of May.<br />

Carex tetanica, Schk., var. Woodii, Oluey.<br />

Very peculiar in habit. Insane Asylum ; Rock Creek, opposite Brightwood. Last<br />

of May or first of June.<br />

t Carex granularis, Muhl.<br />

Last week in May.<br />

Carex glaucoidea, Porter.<br />

Rock Creek (Dr. Vasey).<br />

Carex pallescens, L.<br />

Spikes mostly 4, with staminate flowers at the apex. Last of May or first of June.<br />

Carex pallescens, L., A-ar. undulata, Gray.<br />

Insane Asylum. First of June.<br />

Carex grisea, Walil.<br />

A large and a small form, the latter of which is probably the var. angustifoJia,<br />

Boott. May.<br />

Carex gracillima, Schw.<br />

Back Lick Run; Corcoran's Woods. First half of May.<br />

t Carex virescens, Muhl.<br />

Last of May or first of June.<br />

Carex virescens, Muhl., var. elliptica, Olney.<br />

First half of June.<br />

Carex triceps, Michx.<br />

A form occurs with staminate flowers at the apex of the spikes. First half of<br />

June.

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