Bulletin - United States National Museum - Smithsonian Institution

106 FLORA OF WASHINGTON AND VICINITY.
t Scutellaria pilosa, Michx.
June.
t Scutellaria integrifolia, L.
June.
t Scutellaria nervosa, Pursh.
Insane Asylum. Last half of May.
tBrunella vvilgaris, L. Self-heal. Heal-all,
June to August.
tPhysostegia Virginiana, Benth. False Dragon-head.
Rocks, Potomac shore. July, August.
tMarrubium vulgar e, L. Common Hoarhound.
June.
tLeonurus Cardiaca, L. Common Motherwort.
June, July.
tLamium amplexicaule, L. Dead-Nettle.
March, April.
Stachys palustria, L. Hedge-Nettle.
Found only on June 26, 1874, in thickets of smilax between Fifteenth and Six-
teenth streets, near Boundary, in swampy ground, now drained.
t Stachys aspera, Michx. \_S. palustris L., var. aspera, Gray.]
The common form here. June.
Plantago cordata, Lam.
PLANTAGINACE^.
Plantain Family.
Sandy shore of the Potomac, opposite Alexandria. First found by Prof. J. H.
Comstock, May 1, 1881 ; then in good condition. Roots large, white, divergently
branching, and abruptly truncated at the end, from which truncated extremities,
and from no other part, proceed bundles of long, white fibers.
t Plantago »ia;or, L. Common Plantain.
June, July.
Plantago Rugelii, Decsne.
More common than the last. July.
t Plantago /awccoZate, L. Ribgrass. Ripplegrass. English Pi^antain.
A form with compound heads occurs, also a form with white stripes in the loaves.
May.
Plantago Paiagonica, Jacq., var. ariatata, Gray.
Vacant lot on B street S. W., between Eleventh and Twelfth streets (Dr. Vasey).
t Plantago Virginica, L.
Varying immensely in size; specimens found near Ivy City, May 8, 1878, being
nearly half a meter in height. First half of May.