458 WILSON EXPEDITION TO CHINA 



villosa mox glabrata, subtus inifio dense lanata sed mox in costa 

 tantum pubescenti-villosa ceterum glabra v. in nervis inferioribus 

 parce villosa, nervis utrinsecus circiter 14-16 teneris subtus promin- 

 ulis, reticulo tenerrimo subtus saturatius eolorato, juvenilia membra- 

 nacea; epidermis sub microscopic utrinque irregulariter striata sed 

 epapillosa. Inflorescentia ramum elongatum terminans, 12-16 cm. 

 lata, 6-9 cm. longa valde convexa, ramulis primariis patentissimis 

 expansa, ante anthesin e glomerulis multis confertifloris composita, 

 tomento densissimo subochraceo-albicans, autumno glabrata, in 

 pedunculo et intra basin ipsam folia circiter 7 gerens. Flores nimium 

 juveniles (alabastris suppetentibus vix ultra 1 mm. diam.); carpidia 

 3 v. 4, inde a placenta segregata, apice villosiuscula. Fructus globo- 

 sus, circiter 5-6 mm. diam., ruber, sepalis horizontaliter inflexis. 



Western Hupeh: north and south of Ichang, woods, alt. 1300- 

 2300 m., May and October 1907 (No. 406). 



A very distinct species, which is not only well marked by the white tomentum 

 of the petioles, rhachis and the axes of the inflorescence, but also by the unusually 

 numerous large stipules of often abortive leaves on the peduncle and at the base 

 of the inflorescence. Here may possibly belong: 



S. Wilsojiianaf var. (a) nova Schneider in Bull. Herb. Boissier, s6t. 2, VI. 

 313 (1906). " DifTert foliis angustioribus, subtus magis pubescentibus, foliola 

 maxima?: 2 cm. Hupeh, Henry (No. 3757). Noch junge Exemplare mit unent- 

 wickelten Blutenstanden, die hochst wahrscheinlich spater vom Typ abweichen." 



Sorbus Wilsoniana C. K. Schneider in Bull. Herb. Boissier, ser. 2, 

 VI. 312 (1906); III. Handb. Laubholzk. I. 671, fig. 367 k, 368 p-q 

 (1906). 



Ad descriptionem addenda v. emendanda: Arbor 5-10-metralis; 

 rami 5-7 mm. diam., cinerei; gemmae sub anthesi 0.5 cm. longae, 

 summo apice tantum albo-sericeae. Stipulae saltem folii supremi 

 herbaceae magnae, ad 10 mm. latae, dentatae dentibus seta decidua 

 terminatis, inferiores jam sub anthesi deciduae; folia cum petiolo 4.5- 

 6.5 cm. longo 22-25 cm. longa, 6-7-juga; rhachis exalata, subtus 

 parce v. densiuscule pubescens, interstitiis 1.8-2.3 cm. longis; fohola 

 inde a pari tertio v. quarto deorsum decrescentia, superiora aequalia 

 V. supremi paris minora, basi hinc rotundata v. subcordata, illinc 

 versus costam contracte, oblonga v. oblongo-lanceolata, majora 6-8.3 

 cm. longa, 2-2.8 cm. lata, acutissima v. vix acuminata, tertia v. 

 dimidia parte Integra, superne serrulata dentibus utrinsecus circiter 

 8-20, nervis utrinsecus circiter 17-20 subtus prominulis, reticulo 

 tenerrimo subtus saturatius eolorato, juveniha membranacea; epi- 



