Bulletin - United States National Museum - Smithsonian Institution

112 FLOEA OF WASHINGTON AND VICINITY.
t Carya atnara, Niitt. Bitter-nut. Swamp Hickort. White Hickory.
Second or third week in May ; fruit, September or October.
tJuglans nigra, L. Black Walnut.
Second week in May ; fruit, October or November.
Juglans cinerea, L. Butternut.
Not common. Second week in May ; fruit, September or October.
MYRICACEiE.
Sweet Gale Family.
Myrica cerifera, L. Bayberrv. Wax-Myrtle.
Terra Cotta Swamp; also blufts of the Potomac, in Virginia; the former wet, the
latter dry ground. Rare ; fruit not yet seen. Very irregular in its flowering-time.
Staminate flowers have been collected May 2 and June 17, and fertile flowers May
but both kinds have not been found at the same date.
30 and July 15 ;
CUPULIFER^.
Oak Family.
tBetula nigra, L. River Birch. Red Birch.
Last half of April or first of May ; fruit in June
t Alnus serrulata, Ait. Smooth Alder.
Last half of March or first of April.
t Carpinus Caroliniana, Walt. [C. Jmericaurt, Michx.] Blue Beech. Water-Bekch.
American Hornbeam.
Usually small, 5