1019] REHDER, NEW SPECIES, VARIETIES AND COMBINATIONS Ul 



glabra a. vulgaris lus. viminalis Ascherson & Graebner, Syn. Mitteleur. 

 Fl. IV. 554 (1911). — U. campestris a. glabra a. vulgaris lus. antardica 

 Ascherson & Graebner, 1. c. (1911). — U. viminalis Loddiges apud Bean, 

 Trees & Shrubs, ii. 621 (1914). 



The form named gracilis (antarctica) has been distinguished from vim- 



obov 



be 



same plant. 



Ulmus procera var. viminalis f. aurea, comb. nov. — U. campcstris var. 

 aurea Morren in Belg. Hort. xvi. t. 356-57 (1866). — Leraaire in 111. 

 Hort. XIV. t. 513 (1867).— U, Rosseelsi K. Koch, Dendr. ii. pt. i. 412 

 (1872), pro forma U. scahrae, — U, campestris var. antarctica aurea Nichol- 

 son, ITuud-list Arb. Kew, ii. 135 (1896). — f/. montana viminalis gracilis 

 aurea Schcllc in Beissner, Schelle & Zabel, ILindb. 86 (1903). — U. cam- 

 pestris Rosscelsif [sic] Schelle, 1. c. 83 (1903). — U. campcstris var. viminalis 

 aurea Henry in Ehves & Henry, Trees Gt. Brit, vii, 1907 (1913).— U. 

 viminalis var. aurea Bean, Trees & Shrubs, ii. 621 (1914). 



tllmus procera var. viminalis f. marginata, comb. nov. — Z7. campcstris 



14. viminalis marginata Hort. apud Kirchner in Petzold & Kirchncr, Arb. 

 Musc. 556 (1864). — U, campcstris var. viminalis variegata Nicholson, 

 Hand-list Arb. Kew, ii. 137 (1896). — ?7. montana viminalis marginata 

 Schelle in Beissner, Schelle & Zabel, Handb. 85 (1903).— U. viminalis 

 var. variegata Bean, Trees & Shrubs, ii. 621 (1914). 



Ulmus procera var. australis, comb. nov. — U. campsstris var. australis 

 Henry in Ehves & Henry, Trees Gt. Brit. 1904, t. 412, fig. 17 (1910). 



Ulmus pumila L. var. pilosa Rehder, var. nov. 



A typo recedit ramulis junioribus rubro-brunneis dense pilosis pilis 

 patulis, tomento ad tertium annum persistente, foliis junioribus supra pilis 

 accumbenti-setulosis scabra, subtus ad costara et nervos pilosis, petiolis 

 brevibus pilosis. — Arbor 10-metrahs: folia elliptico-ovata, acuminata, 

 subsimi)licitcr serrata, 2-3.5 cm. longa; petioU 1-2 mm. longi, pilosuli: 

 samara brevissime pedicellata, suborbicularia vel rotundato-ovalia, 12-14 

 mm. longa et 10-12 mm. lata, apice profunde emarginata, sinus lateribus 



valde curvatis et sese tegenti1)us. 



CnixXA. Yunnan: Pc-yen-tsin, May 7, 1916, Simeon Ten (No. 89, 

 ramuli foliiferi, type); March 1, 1917, Simeon Ten (No. 307, ramuli fructi- 



feri). 



This variety agrees in size and shajje of leaf and fruit exactly with typical 

 U. pumila, but differs In the dense pilose pubescence and in the reddish 

 brown color of the young branchlets and in the pubescence of the leaves 

 and their short petioles- T\'])Ical U. pumila as a rule is quite gla})rous and 

 the only specimens with pubescent branchlets I have seen are F. N. Mey- 

 er's No. 928, a si>ecimen collected, by Purdom near Peking, and Wilson's 

 No. 1565 from Kiangsi,, but the pubescence of the first two of these speci- 

 mens is minutely villous and not at all pilose, while Wilson's specimen has 



