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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102 FLORA OF WASHINGTON AND VICINITY.<br />
t Gratiola pilosa, Micbx.<br />
Not commou. A slender, simple form, and a stout, branching form. July, August<br />
t Ilysanthes gratioloides, Benth. False Pimpernel.<br />
The sterile stamens consist of erect staminodia with much smaller upwardly<br />
curved hooks projecting from them on the outer side. July.<br />
tMicranthemum Nuttallii, Gray.<br />
Hunting Creek. September, October.<br />
+ Veronica Virginica, L. Culver's Physic.<br />
July, August.<br />
Veronica Americana, Schwein. American Brooklime.<br />
Near Langley, Va. May 27, 1877.<br />
t Veronica scutellata, L. Marsh Speedwell.<br />
Flats below Eads' Mill. July, August.<br />
t Veronica officinalis, L. Common Speedwell.<br />
Last of May or first of June ; autumnal flowers, October 2ti, 1873.<br />
t Veronica serpyllifolia, L. Thyme-leaved Speedwell.<br />
^<br />
A form with large (IS'"'" wide) leaves was found at the mouth of Difficult Run,<br />
growing in perpetual shade under the cliffs. First half of May.<br />
t Veronica peregrina, L. Neckweed. Purslane Speedwell.<br />
Last week in April or first of May.<br />
t Veronica arvensis, L. Corn Speedwell.<br />
First week in May.<br />
Buchnera Americana, L. Blue-Hearts.<br />
Reform School. July to September.<br />
tGerardia pedicularia, L. Fern-leaved False Foxglove.<br />
Last of August or in September.<br />
tGerardia flava, L. Downy False Foxglove.<br />
Middle to end of July.<br />
Gerardia quercifolia, Pursh.<br />
Great Falls. Collected only on October 5, 1879 ; then too far adva,nced.<br />
tGerardia purpurea, L. Purple Gerardia.<br />
August, September.<br />
tGerardia tenuifolia, Vahl. Slender Gerardia.<br />
Last of August or first of September.<br />
tPedicularis Canadensis, L. Wood-Betony. Lousewort.<br />
April.<br />
tPediculaiis lanceolata, Michx.<br />
Iluuting Creek. Last of September.<br />
i+Melampyrum Americanum, Michx. Cow-Wheat.<br />
Carroll Estate. September.