180 AMERICAN MIDLAND NATURALIST 
plant growing abundantly in sand piles in vacant lots, within the 
city limits of Michigan City, Ind., and in streets on the outskirts 
and always in sunny exposed places where nothing else grows. 
It soon serves as a ‘‘wind break’’ when other plants gradually 
collect. On sand piles it never grows more than a meter high and 
seldom as high, and blooms and fruits profusely. The flowers 
unlike those of the type, I have found delicately pleasant scented, 
whereas those of P. trifoliata have a disagreeable odor, and the 
fruits are produced in rather smaller dense globular clusters. 
Ptelea meschora Greene, var. mucronata Nwd., nov. var. 
Arbor parva vel junior frutex cum caule diametro aliquando 1.2 
dm: ramuli atri plus minusve contorti, glaberrimi, et breviuscull: 
foliola et omnes partes perglabra; foliola parva, 2-9 cm. longa 
et 1-4.5 cm. lata, basalia inequaliter ovalia, terminale foliolum 
ovale vel ovatum, cum apice abrupte acuto et cum basi cuneata; folia 
in facie inferiore glauca vel pallida, facie superiore viridia: fructus 
perpauci 2-4, orbiculati, ovales vel obovati circa 2-3 cm. longi 
et 1.7 cm. lati: semen 1 cm. longum et .6 cm. latum in medio 
fructu vel media samara dispositum; fructus aliquando inaeq ual- 
lis semper in apicem mucronatum alatumque extensus, aliquando 
leviter falceatum. 
Small tree with a trunk about 1.2 dm. im diameter; branches 
with black bark, much twisted and gnarled, twigs short, brownish 
glabrous: leaflets perfectly glabrous 2-9 cm. long and 1-4.5 cm. 
wide, basal unequally oval, base rounded; terminal oval or ovate 
with an abrupt acute or short acuminate apex and a cuneate 
base, all pale or glacuous beneath and green above; fruits few in 
a cluster, 2-4, orbicular oval or obovate, 2.3 cm. long and 1.7 cm. 
wide, fruit-body situated in the middle or nearer the summit, . 
which is produced into a broad winged triangular point about 
3 mm. or more in length. This beak is often falcately curved 
as also are the wings inequilateral: fruit-body about 1 cm. long 
and .6 cm. wide. 
This plant is readily distinguished by the peculiar fruit 
characters, small perfectly glabrous leaves, even smaller than 
P. mesochora Greene. ‘The fruit clusters are very small. 
Found by the writer near the edge of a wood near the dunes 
of Lake Michigan about 7 miles East of Michigan City, Ind., at 
Grand Beach, Mich. This locality has an abundance of Ptelea 
