464 WILSON EXPEDITION TO CHINA 
Here belongs possibly: 
S. Wilsoniana? var. (b) nova Schneider in Bull. Herb. Boissier, sér. 2, VI. 313 
(1906). Differt folis 4—6-jugis ad 20 cm. longis, foliolis 5.5: 2.2 cm., obtusis, 
paullo minoribus, distantioribus, serraturis acutioribus, inflorescentiis laxioribus, 
petalis intus basi villosis, stylis 5, earpellis ut videtur omnino connatis. 
To this * variety " may be referable Pratt's specimen No. 223 quoted by 
Schneider in his JU. Handb. Laubholzk. Y. 671 (1906) and figured under Fig. 367 
k ? and 369 q. 
Sorbus Rehderiana Koehne, n. sp. 
Frutex v. arbor frutescens 3-8-metralis; rami 5-8 mm. diam., 
cinereo-nigricantes; gemmae 0.8-1.3 em. longae, glabrae v. raro e 
squamarum marginibus ciliatae. Stipulae siccae, lanceolatae, 3-6 mm. 
longae, post anthesin deciduae, folia cum petiolo 1-2 em. longo 10- 
15 em. longa, 7-9(-10)-juga; rhachis alata, glabra, interstitiis 1-1.4 
em. longis; foliola inde a tertio v. quarto pari deorsum sursumque 
subdecrescentia, basi oblique rotundata v. hine acuta, oblongo- 
lanceolata v. lanceolata, media 2.5-5 cm. longa, 0.8-1.3 cm. lata, 
cuspidato- v. mueronato-acuta, vix tertia v. saepe dimidia parte integra, 
superne serrulata, dentibus saepe subincurvis utrinsecus circiter 
10-20, supra nitidula parcissime tenerrime villosa mox glabrata, 
margine ciliolata mox glabrata, subtus pallidiora costa subochracea, 
glaberrima v. in costa pubescentia, nervis utrinsecus circiter 10-18 
reticuloque teneris supra subimpressis subtus saturatius coloratis, 
juvenilia rigidula adulta subcoriacea; epidermis supra laevis, subtus 
epapillosa irregulariter striata cellularum limitibus absconditis v. 
pro parte laevis cellulis manifestis. Inflorescentiae nune ramulum 
longiorem nunc ramulos breves laterales crassos terminantes, 2.5- 
6.5 cm. latae, 3.5-5.5 cm. longae, planae v. convexae, satis densiflorae, 
parce fusco-villosae, demum plus minus glabratae; flores initio mensis 
Julii aperti; cupula glabra, sepala ciliata; petala circiter 5 mm. longa, 
e basi breviter late unguiculata, ovata, glabra, alba, staminibus duplo 
longiora; earpidia 5, inde a placenta segregata, apice villosiuscula, 
styli glabri. Fructus globosus, circiter 6-7 mm. diam., albidus V. 
carneus (^flesh-pink ") v. roseo-purpurascens (/*reddish-purple ”), 
sepalis apice incurvis. 
Western Szech'uan: Tachien-lu, woodlands, alt. 2600-3300 m., 
October 1908 (No. 1266); south-east of Tachien-lu, woods, alt. 3000- 
3300 m., October 1910 (No. 4114); south-east of Tachien-lu, wood- 
lands, alt. 2600-3000 m., October 1910 (No. 4092); north-east of 
1 Descriptio exclusa varietate. 
