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Bulletin - United States National Museum - Smithsonian Institution

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74 FLORA OF WASHINGTON AND VICINITY.<br />

tCrotalaria sagittalis, L. Eattle-box.<br />

Last half of August.<br />

tLupinus perennis, L. Wild Lupine.<br />

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

Cytisus scoparius, Link. Scotch Broom.<br />

Roadside, near the northern corner of the District. Last of May or first of June.<br />

Medicago saliva, L. Lucerne. Alfalfa.<br />

Sparingly escaped.<br />

Medicago liipulina, L. Black Medick. Nonesuch.<br />

May.<br />

MeUlotus officinalis, Willd. Yellow Melilot.<br />

Streets of Washington. Rare. First half of June.<br />

tMelilotus alba, Lam. White Melilot.<br />

June.<br />

tTrifolium arvense, L. Rabbit-foot Clover.<br />

Latter part of June.<br />

t TrifoUum j»-atew8e, L. Red Clover.<br />

June.<br />

tTrifolium reflexum, L. Buffalo-Clover.<br />

High Island. End of May. Rare.<br />

t TrifoUum repeHS, L. White Clover.<br />

May or June.<br />

Trifolium agrarium, L. Hop-Clover.<br />

June to July.<br />

t Trifolium procumbens. L. Low Hop-Clover.<br />

May to June.<br />

t Tephrosia Virginiana, Pers. Hoary Pea. Goat's Rue.<br />

Second week in Juue.<br />

tRobinia Pseudacacia, L. Locust.<br />

Third week in May.<br />

t Astragalus Canadensis, L. Milk-Vetch. i<br />

Potomac Shore, Va. ; also on High Island. End of June.<br />

t Stylosanthes elatior, Swartz. Pencil-Flower.<br />

August.<br />

tDesmodium nudiflorum, DC. Tick-Trefoil.<br />

Last of July.<br />

tDesmodium acuminatum, DC.<br />

August or first of September.<br />

Desmodium pauciflorum, DC.<br />

Rare. Last of August or first of September.

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