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Bulletin - United States National Museum - Smithsonian Institution

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86 FLORA OF WASHINGTON AND VICINITY.<br />

tEupatorium teucrifolium, Willd.<br />

September.<br />

tEupatorium rotundifolium, L.<br />

August and September.<br />

tEupatorium pubescens, Muhl.<br />

Forms occur uniting this species and the preceding. September.<br />

+ Eupatorium sessilifolium, L. Upland Boneset.<br />

July to September.<br />

;Tiupatorium sessilifolium x pubescens, Gray.<br />

"Between sessilifolium and puiescens" (Professor Asa Gray). Above Pierce's MiU.<br />

September 30, 1877.<br />

.tEupatorium perfoliatum, L. Thorough wort. Boneset.<br />

A specimen with all the leaves in whorls of three was found by Prof. M. H. Doo-<br />

little, October 26, 1879, near the Receiving Reservoir. August to October.<br />

tEupatorium ageratoides, L. White Snakeuoot.<br />

August, September.<br />

tEupatorium aromaticum, L.<br />

Septeuiber.<br />

tCouoclinium ccelestinum, DC. ^Eupatorium, Benth. & Hook., Gen. PI.] Mist-<br />

Flower.<br />

August to October.<br />

tMikania scandens, L. Climbing Hemp-weed. Climbing Boneset.<br />

Marshes; Four Mile Run; Eastern Branch, »&c. September.<br />

tKuhnia eupatorioides, L. False Boneset.<br />

Woodley Park ; Terra Cotta. Root very large and deep. September.<br />

Liatris scariosa, Willd. Button Snakeroot. Blue Blazing Star.<br />

Near Fort Bennett, Va. Only a single specimen found, October 24, 1873, in an<br />

advanced state.<br />

Iiiatris graminifolia, Willd. Gay Feather.<br />

September.<br />

Ijiatris graminifolia, Willd., var. dubia, Gray.<br />

Distinction close if it really exists. September.<br />

t Chrysopsis Mariana, Nutt. Golden Aster. Maryland Golden Star.<br />

August, September.<br />

tSolidago bicolor, L. Golden Rod.<br />

September, October.<br />

Solidago bicolor, L., var. concolor, Gray.<br />

September, October.<br />

t Solidago latifolia, L.<br />

August to October.<br />

i Solidago caesia, L.<br />

September to October.

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