ELM FAMILY. 525. 
3. Ulmus alata Michx. Winged Elm. Wahoo. (Fig. 1252.) 
Pe ea A 
NE, 
yd 
Ulmus alata Michx. F1. Bor. Am, 1:173. 1803. 
A small tree, sometimes 50° high and with a 
trunk diameter of 25°; the branches, or most of 
them, with corky wing-like ridges. Twigs and buds 
glabrous or nearly so; leaves oblong, oblong-lance- 
olate or oblong-ovate, acute, doubly serrate, base 
obtuse, inequilateral and sometimes subcordate, 
roughish above, pubescent beneath, at least on the 
veins, 1/-3/ long, 1%4’-1{’ wide, the veins ascending, 
some of them commonly forked; flowers fascicled; 
pedicels filiform; calyx-lobes obovate, rounded; sa- 
mara oblong, 4’’-5’’ long, pubescent on the faces, 
the margins densely ciliate; styles very slender. 
In dry or moist soil, southern Virginia to Florida, 
west to southern Illinois, Arkansas and Texas. Wood 
hard, weak, compact; color brown; weight per cubic 
foot 47 lbs. March. 
LE Le 
4. Ulmus falva Michx. Slippery, Red or Moose Elm. (Fig. 1253.) 
Ulmus pubescens Walt. Fl. Car. 111. 1788. ? 
Ulmus fulva Michx. F). Bor, Am, 1:172. 1803. 
A tree, with rough gray fragrant bark, maxi- 
mum height about 70°, and trunk diameter 24°; 
twigs rough-pubescent; branches not corky- 
winged; bud-scales densely brown-tomentose. 
Leaves ovate, oval or obovate, very rough 
with short papillae above, pubescent beneath, 
sharply doubly serrate, acuminate at the apex, 
obtuse, inequilateral and commonly cordate at 
the base, 4/-8’ long, 2’-214’ wide; flowers fas- 
cicled; pedicels 2/’-3’’ long, spreading, jointed 
near the base; calyx-lobes lanceolate, subacute, 
samara oyal-orbicular, 6/’-9’’ long, pubescent 
over the seed, otherwise glabrous, the margins 
not ciliate, retuse. 
In woods, on hills and along streams, Quebec 
to North Dakota, Floridaand Texas. Wood hard, 
strong, compact, durable; color dark reddish- 
brown; weight per cubic foot 43 lbs. Foliage and 
mucilaginous inner bark very fragrant in drying. 
March-April. 
2. PLANERA J. F. Gmel. Syst. 2: Part1, 150. 1791. 
Trees, similar to the elms, the flowers monoecious or polygamous, unfolding with the 
leaves. Staminate flowers fascicled on twigs of the preceding season, the pistillate or per- 
fect ones in the axils of leaves of the year. Calyx 4-5-cleft, campanulate, persistent, the 
lobes imbricated. Filaments filiform, straight, exserted. Ovary stalked, ovoid, slightly 
compressed, I-celled. Styles 2, spreading, stigmatic along the inner side. Fruit nut-like; 
coriaceous, obliquely ovoid, compressed, ridged on the back, covered with short fleshy pro- 
cesses. Embryo straight. [Name in honor of Johann Jakob Planer, 1743-1789, Professor 
of Botany in Erfurt. ] 
A monotypic genus of soutneastern North America. 
