ROSACEAE. — SORBUS 471 



petentes ramulos breves v. brevissimos lateralcs tcrminantes, 6-8 cm. 

 latae, 6-7 cm. longae, plermnque conico-convexac, e glomerulis parvis 

 circiter 12-20 compositae, glabrae; flores mense Junioaperti; cupula 

 sepalaque parva, glabra; petala circiter 3 mm. longa, longiuscule 

 unguiculata, late ovata, glabra, alba, staminibus duplo longiora; 

 carpidia 5, apice tantum segregata ac parce villosa, styli glabri. Fruc- 

 tus immaturi tantum noti, sepalis inflexis. 



Western Hupeh: Changyang Hsien, woodlands, alt. 1600-2300 

 m., June and July 1907 (No. 3001). 



Sorbus Koehneana Schneider in Bull. Herb. Boissier, s6r. 2, VI. 316 

 (1906); III. Handb. Laubholzk. I. 681, fig. 374o (1906). 



Ad descriptionem addenda: Frutex 1.6-4 m. alt.; rami 1.5-5 mm. 

 diam., cinerei v. nigricanti-cinerei ; gemmae 0.6-0.9 cm. longae, supra 

 medium pilis rufis plus minus hirto-sericeae v. glabratae. Stipulae 

 herbaceae sed parvae, ad 6 v. 7 mm. longae, dentibus paucis incisae, 

 paucae siccae lanceolatae; folia cum petiolo 1-2.8 cm. longo 8-15.5 cm. 

 longa, 8-14-juga; rhachis anguste alata, laxe tenere lanata demum 

 plerumque glabrata, interstitiis 0.5-1.2 cm. longis; foliola inde a pari 

 tertio V. quarto deorsum sensimque sursum decrescentia, oblonga v. 

 late lanceolata marginibus plerumque parallelis, 1.5-3 cm. longa, 

 0.5-0.8 cm. lata, obtusa saepeque mucronata, basi v. pere semi-integra, 

 argute serrulata dentibus utrinsecus circiter 5-14, supremis conniventi- 

 bus, supra glabra, margine tenere ciliata demum glabra, subtus pallide 

 cano-viridia, in costa laxe tenere lanata, ceterum subglabra v. glabra, 

 nervis utrinsecus circiter 9-10 saepe obsoletis reticuloque tenerrimis 

 subtus saturatius coloratis, papyracea demum chartacea; epidermis 

 supra striis brevibus irregularibus obsita v. raro (Wilson No. 320", 

 Giraldi No. 1083) laevis, subtus epapillosa dense laxiusve reticulato- 

 striata cellulis absconditis v. raro hinc inde laevis. Inflorescentiae 

 pleraeque ramulos brevissimos laterales, paucissimae ramum elongatum 

 terminantes, 3.5-6 cm., terminales rarae ad 11 cm. latae, 5-9.5 cm. 

 longae, planae v. convexae, sublaxae, laxe tenere villosae demum 

 glabratae; flores fine mensis Junii v. initio Julii (in provincia Shensi 

 septentrionali medio Julio) aperti; cupula glabra v. basi pubescens; 

 sepala intus villosa; petala circiter 5.5-6.5 mm. longa, late breviter 

 cuneata, late ovata, glabra, alba, staminibus triente v. fere duplo 

 longiora; carpidia 5, tota connata, apice glabra; styli basi vix v. 

 fere semiconnati, basi pubescentcs. Fructus globosus, circiter 7-8 mm. 

 diam., albus, sepalis conniventibus. 



