ULMACEAE. 
Determined by CAMILLO SCHNEIDER. 
ULMUS L. 
Ulmus Wilsoniana Schneider, IU. Handb. Laubholzk. Yl. 904, fig. 
565 e, 566 c-d (1912); in Oester. Bot. Zeitschr. LXVI. (1916). 
Ad descriptionem addenda: Arbor ad 17 m. alta; ramuli novelli 
hornotinique griseo-villosuli, annotini plus minusve glabrescentes, 
rubro-brunnei, lenticellis flavis sparse obtecti, vetustiores cinerascentes, 
paulo rimosi (interdum suberosi); gemmae ovatae, plus minusve 
acutae, perulis pluribus bicoloribus versus basim flavo-brunneis versus 
marginem purpurascentibus dorso vix pilosis margine tenuiter ciliatis 
obtectae. Folia (plantae maturae) ovata, late ovata v. ovato-elliptica, 
rarius obovato-oblonga, basi plus minusve rotunda v. semicordata 
satis asymmetrica, apice satis subito breviter acuminata, supra intense 
viridia, tantum in costa pilosa sed pleraque plus minusve scabra, in- 
terdum sublaevia, subtus in nervis elevatis lateris longioris (imo apice 
excluso) 16-18-22 et in costa griseo-villosula, in facie sparsius pilosa, 
barbulata (barbulis saepe valde indistinctis), praeterea saepe plus mi- 
nusve scabra, margine dupliciter crenato-serrata serraturis primariis 
saepe incurvatis, textura satis firma; petioli breves, 3-9 mm. longi, vil- 
losuli, suberassi. Inflorescentiae fasciculato-cymosae; flores nondum 
vidi. Samarae late obovatae, cireiter 16-19 mm. longae (pedicello 
excluso) et 13-14 mm. latae, undique (emarginatura excepta) glabrae, 
brevissime stipitatae; semina juxta emarginaturam sita; perigonia sub 
fructu remanentia glabra, lobis 4-5 brevibus latis griseo- et fulvo-ciliatis , 
instructa, sensim in partem glabram pedicelli transientia; pars infe- 
rior pedicelli pilosa parte superiore subaequilonga v. paulo longior; 
filamenta marcida staminum perigonio multo longiora; antherae non 
visae. 
Western Hupeh: Changyang Hsien, side of streams, alt. 700 m., 
November 1907 (Nos. 745, 746; tree 10-17 m. tall, girth 1.2-2.4 m.; 
sterile); same locality, woods, alt. 1200-1600 m., May 1907 (No. 2806; 
with ripe fruits and not yet fully grown leaves); same locality, moun- 
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