Bulletin - United States National Museum - Smithsonian Institution
Bulletin - United States National Museum - Smithsonian Institution
Bulletin - United States National Museum - Smithsonian Institution
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78 FLORA OF WASHINGTON AND VICINITY.<br />
tPotentilla Norvegica, L.<br />
August or September.<br />
tPotentilla Canadensis, L. Cinque-Foil. Five-Finger.<br />
April.<br />
tPotentilla Canadensis, L., var. simplex, Torr. & Gray.<br />
May.<br />
Alchemilla a}rensis, Scop. Lady's Mantle.<br />
Ouly once found, on Meridian Hill, by Dr. Vasey and Professor Chickeriug. Long<br />
since obliterated.<br />
tAgrimonia Eupatoria, L. Commox Agrimony.<br />
July or August.<br />
t Agrimonia parviflora, Hook. Small-flowkred Agrimony.<br />
August or September.<br />
tPoterium Canadense, Bentb. & Hook. Canadian Burnet.<br />
Tbird week in September.<br />
Poterium Sanguisorba, L. Bl'RNET.<br />
Odentou, Md., May 30, 1877. Should be looked for nearer.<br />
Rosa setigera, Michx. Climbing Rose.<br />
Escajied in some places. June.<br />
Rosa Carolina, L. Swamp Rose.<br />
June.<br />
Rosa lucida, Ebrli. Dwarf Wild Rose.<br />
End of May.<br />
t Rosa rubighiosa, L. Sweet-Brier.<br />
June.<br />
Rosa micrantha, Smith. Smaller-flowered Sweet-Brier.<br />
June.<br />
Rosa cat) ilia, L. DoG-RosE.<br />
High Island.<br />
tPirus coronaria, L. American Crab-Apple.<br />
Northwest Branch (Professor 'Chickering) ; a few trees ouly. End of April or<br />
tirst of May.<br />
+ Pirus arbutifolia, L. Choke-Berry.<br />
Two forms, a high and a low bush, the former of which flowers two weeks later<br />
than the latter, grows in very moist swamps, and bears much smaller berries, which<br />
persist throughout the winter. End of April (low-bush) to middle of May (high-<br />
bush).<br />
tPirus arbutifolia, L., var. melanocarpa, Hook.<br />
North of Bladeusburg. Fruit collected July 20, 1879.<br />
Cratcegus cordata, Ait. Washington Thorn.<br />
Rock Creek Church Road near Soldiers' Home, also Bladensburg. Not common.<br />
Second week in June ; fruit in October,