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 colorato, juvenilia membra- 
nacea; epidermis sub microscopio 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. Wilsoniana? var. (a) nova Schneider in Bull. Herb. Boissier, sér. 2, VI. 
313 (1906). “Differt foliis angustioribus, subtus magis pubescentibus, foliola 
maxima 7: 2cm. Hupeh, Henry (No. 3757). Noch junge Exemplare mit unent- 
wickelten Blütenstünden, die höchst wahrscheinlich später vom Typ abweichen. 
Sorbus Wilsoniana C. K. Schneider in Bull. Herb. Boissier, sér. 2, 
VI. 312 (1906); IU. Handb. Laubholzk. Y. 671, fig. 367 k, 368 p-a 
(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 em. longo 22-25 cm. longa, 6-7-juga; rhachis exalata, subtus 
parce v. densiuscule pubescens, interstitiis 1.8-2.3 em. longis; foliola 
inde a pari tertio v. quarto deorsum decrescentia, superiora aequalia 
v. supremi paris minora, basi hine rotundata v. subcordata, illinc 
versus costam contracte, oblonga v. oblongo-lanceolata, majora 6-8.3 
em. 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 colorato, juvenilia membranacea; epi- 
