514 "WILSON EXPEDITION TO CHINA 



r 

 J 



is a magnificent specimen which is said to be a thousand years old and which covers 

 an arbor of latticed bamboo one-sixth of an acre in extent. 



Pictures of this plant will be found under Nos. x221, x228, x230, x240, x241 of 

 the collection of Wilson^s Japanese photographs. 



Wistaria venusta Rehder & Wilson, n. sp. 

 f Wisteria chinensis Bunge in Mem. Sav. 6tr, Acad. Sci. St. Petershourg, II. 94 



{Enum. PI. Chin. Bor. 20) (non De Candolle) (1833). — Turczaninow in 



Bull. Soc. Nat, Mosc. X. No. VII. 151 (1837). — Maximowicz in Mem. 



Sav. Sir. Acad. Sci, St. Petershourg^ IX. 471 {Prim. Fl. Amur. Suppl.) 



(1859). — Komarov in Act. Hort. Petrop. XXII. 638 (Fl Mansh. II) 



{Wistaria) (1904), exclud. synon. pluribus. 

 f Wistaria hrachybolrys Hemsley in Jour. Linn. Soc. XXIII. 161 (non Siebold 



& Zuccarini) (1886), quoad plantam Pekinensem. 

 Milletia florihunda, var. brachyhofrys ^latsumura in Tokyo Bot. Mag. XVI. 64 



(1902); Ind. PL Jap. 11. pt. 2, 270 (1912). 

 Wistaria hrachyhotrySf var. alba Miller in Bailey, Cycl. Am. Hort. 1989 (1902). 

 Kraunhia sinensis, var. hrachyhotrys, forma alhiflora Makino in Tokyo Bot. 



Mag. XXIV. 77 (1910). 

 Kraunhia florihunda, y hrachyhotrys, forma alhiflora Makino in Tokyo Bot. 



Mag. XXV. 18 (1911). 



Prutex volubilis, 2-10 m. altus; ramuli juveniles adpresse flavescenti- v. cinereo- 

 pubescentia, demum glabri. Folia deeidua, 4-6-, plerumque 5-juga, petiolo incluso 

 18-35 cm. longa et 10-15 cm. lata; foliola oblongo-lanceolata v. elliptico-oblonga, 

 V. ovato-obionga breviter acuminata, basi rotundata v. subcordata v. truncata, ter- 

 minale basi saepe late cuncatum, Integra, 6-10 cm. longa et 2.5-5 cm. lata, utnnque 

 plus minusve, supra sparsius, subtus ad venas densius adpresse villosa, nervis utrm- 

 secus 6-10 arcuatis subtus ut costa elevatis; petioluli 3^ mm. longi, dense villosi; 

 petioli subteretes, 4-10 cm. longi ut rhacliis dense adpresse villosi. Racemi penduu, 

 pedunculo brevi incluso 10-15 cm. longi; rhachis dense adpresse cinereo- villosa; 

 pedicelli fere sub angulo recto patentes, 1.5-3.5, plerumque 2.5-3 cm. longi; calj'X 

 membranaceous, fere cupuliformis, circiter 4.5 mm. altus et 8-10 mm. diam., 

 leviter bilabiatus, lobo antico dentibus 3 subulatis, dente medio 2-2.5 mm. longo, 

 alteralibus 1-1.5 mm. longis, lobo postico truncato obsolete emarginato; corolla 

 alba, vexillo suborbiculari 2-2.5 cm. diam. apice truncato basi auriculato, ungui- 

 culo 5 mm. longo, alis oblongis unguiculo 4-5 mm. longo inclusis 1.7-2 cm- longis 

 et 9-10 mm. latis, rotundatis, basi auriculatis, carina alis breviore petalis oblongis 

 apice fere truncatis; stamina glabra, 2 cm. longa; ovarium compressum breviter 

 velutinum, stylo adscendente giabro. Legumen compressum, dense velutmum. 



JAPAN. Hondo: prov. Musashi, cultivated. Iris Garden, Kamata, April 27, 

 1914, E. H. Wilson (No. 6580, type; flowers); Tokyo, cultivated, H. Sakurais 

 garden, May 21, 1913 (ex Herb. K. Sakurai); prov. Shimotsuke, Nikko, temple 

 grounds, cultivated. May 7 and May 18, 1914, E. H. Wilson (Nos. 6580^ 6/14), 

 prov. Yamata, Nara Park, cultivated, December 4, 1914, E. H. Wilson (No. 785^ 

 mature leaves, co-type). 



CHINA. Chili : " Ying-tan-ko," September 12, 1913, F. N. Meyer (No. 1299; 

 "among high scrub, apparently genuinely wild "). ,. 



This new species whose identity has so long been obscured is the most ai 

 tinct of the four Wistarias of Eastern Asia. It is characterized by ^^^ P^ ^ 

 sistent velvety pubescence on both surfaces of the leaves, by its short, very ^^^^ 

 racemes, its long, stout, nearly horizontally spreading pedicels, by its very larg 

 flowers, and by the subulate anterior teeth of the calyx. We have made tn 



