loranthace.se. (mistletoe family.) 399 
and opening by several pores: in the fertile flowers the tube of the 
calyx is combined with the ovary, the border obsolete. Stigma 
sessile. Fruit a globular berry. — Much branched, with jointed 
stems, opposite leaves, and small flowers in short spikes. (The 
ancient Latin name, from which is the word viscosus, sticky : the 
glutinous berries yield birdlime.) 
1. V. flavescens, Pursh. (Yellowish Mistletoe.) Branch¬ 
es round, spreading; leaves obovate or oval, contracted at the base 
into a short petiole, 3-nerved; calyx often 3-cleft; berries yellowish- 
white—On the trunks of old trees, especially Elms, Oaks, and Hick¬ 
ories, New Jersey and Ohio, southward. April. — Whole plant yel¬ 
lowish. 
Order 93. ULMACE^. (Elm Family.) 
Trees or shrubs , with alternate roughish leaves , and de¬ 
ciduous stipules , perfect or barely polygamous flowers in ax¬ 
illary clusters or solitary , with the definite stamens inserted 
on the base of the free calyx which is imbricated in the bud , 
and 2 styles or stigmas, but the 1-celled fruit with a single 
suspended seed ; distinguished from the Mulberry tribe also 
by the want of milky juice ; consisting of the Elm Family 
proper, with a winged fruit, and the Suborder Celtide.e, 
with the fruit a drupe. 
1. 1TL,M[US, L. Elm. 
Calyx bell-shaped, 4-9-cleft. Stamens 4-9, with long and 
slender filaments. Ovary flat, 2-celled, with a single anatropous 
ovule suspended from the summit of each cell : styles 2, short, 
diverging, stigmatic all along the inner edge. Fruit (by oblitera¬ 
tion) a 1-celled and 1-seeded membranaceous samara, winged all 
around. Albumen none : embryo straight, the cotyledons large. 
— Flowers sometimes polygamous, purplish or yellowish, in lat¬ 
eral clusters, preceding the leaves, which are strongly straight- 
veined, short-petioled, and oblique or unequally somewhat heart- 
shaped at the base. (The classical Latin name.) 
1 U. Americana., L. (American or White Elm.) Leaves 
smooth above , downy underneath, oblong-ovate, pointed, sharply 
doubly serrate ; flowers in umbel-like clusters , conspicuously pedicelltd ; 
