Bulletin - United States National Museum - Smithsonian Institution

110 FLORA OF WASHINGTON AND VICINITY.
SANTALACE^.
Sandalwood Family.
t Comandra umbellata, Nutt. Bastard Toad-flax.
After flowering this plant throws out runners or prostrate shoots, the leaves on
which are two-ranked and spreading. May, June.
LORANTHACE-ffJ.
f
Mistletoe Family.
t Phoradendron flavescens, Nutt. American Mistletoe.
Growing here exclusively on Xyssa muUiflora.
EUPHORBIACE-aj.
Spurge Family.
t Euphorbia maculata, L. Spotted Spurge.
July, August.
t Euphorbia hypercifolia, L. Larger Spotted Spurge.
July, August.
t Euphorbia corollata, L. Flowering Spurge.
July, August.
t Euphorbia Ipecacuanhae, L. Wild Ipecac.
Last week in April to end of May.
Euphorbia dictyosperma, Fischer & Meyer.
Agricultural College Station; High Island; Eeservoir (Professor Chickering).
Second week in May.
Euphorbia commutata, Eng.
High Island and above. April.
Phyllanthus Carolinensis, Walt.
Corcoraii's Woods (Professor Chickering). Locality now apparently exhausted.
t Acalypha Virginica, L. Three-seeded Mercury.
July, August.
Ricinus c&nimunis, Desf. Castor-oil Bean. Palma-Christi.
Waste places in the city. August.
URTICACEiE.
Nettle Family.
tUlmusfulva, Michx. Slippery Elm. Red Elm.
Last half of March.
t Ulmus Americana, L. White Elm. American Elm.
First week in April.