ULMACEAE. 



Determined by Camillo Schneidek. 



ULMUS L. 



Ulmus Wilsoniana Schneider, III. Handb. Laubholzk. II. 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, subcrassi. Inflorescentiae fasciculato-cymosae; flores nondum 

 vidi. Samarae late obovatae, circiter 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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