ROSACEAE. — SORBUS 475 



June 1908 (No. 3004) ; same locality, upland thickets, alt. 3000-3G00 

 m., October 1910 (No. 4119); south-east of Tachien-lu, woodlands, 

 alt. 2600-3300 m., October 1908 (No. 874''); Mupin, woodlands, 

 alt. 2000-2800 m., June and October 1908 (No. 864, flowering branches; 

 the fruiting branches belong partly here, partly to *S. multijuga micro- 

 don^a Koehne) ; Ching-chi Hsien, alt. 3300 m., September 18, 1908 

 (No. 941; fruit pale purple).^ 



Sorbus setschwanensis (Schneider) Koehne, n. sp. 



Sorbus Vihnorini, var. setschwanensis Schneider in Bull. Herb. Bois- 

 sier, s^r. 2, VI. 318 (1906); III. Handb. Laubholzk. I. 683, fig. 374 

 t, 375 s-t (1906). 



Frutex 2-5-metralis; rami 1.5-4 mm. diam., cinerei v. nigricantes; 

 gemmae 0.6-0.8 cm. longae, glabrae v. paucae rufo-sericeae. Stipulae 

 siccae v. paucae herbaceae, parvae, 2-3 mm. longae, apice saepe 

 bifidae; folia cum petiolo 0.8-1.4 cm. longo 4.5-11 cm. longa, (10-) 

 12-17-juga; rhachis anguste alata, glabra, interstitiis 0.2-0.6 cm. 

 longis; foliola inde a pari tertio v. quarto deorsum sensimque sursum 

 decrescentia (quare folia triangulari-fastigata-), basi obtusa v. hinc 

 acuta, anguste oblonga, media 0.5-1.3 cm. longa, 0.2-0.4 cm. lata, 

 obtusa V. acutiuscula, basi v. interdum dimidia parte Integra ceterum 

 densius remotiusve minutim serrulata, dentibus utrinsecus circiter 

 2-11, supremis conniventibus, glabra v. interdum tenere ciliata, sub- 

 tus cano-viridia, nervis obsoletis reticuloque tenerrimis subtus satura- 

 tius coloratis, papyracea demum chartacea; epidermis utrinque laevis 

 V. subtus striis paucissimis conspersa. Inflorescentiae suppetentes 

 omnes ramulos laterales brevissimos v. breves terminantes, 2.5-6 cm. 

 latae, 4-6.5 cm. longae, planae v. subconvexae, laxi- ac pauciflorae, 

 glabrae; flores fine mensis Junii aperti; cupula glabra, sepala apice 

 ciliata; petala cum unguiculo dimidium limbum aequante circiter 

 4.5 mm. longa, ovata, glabra, alba, staminibus duplo longiora; carpidia 

 2-4, tota connata, glabra; styli basi connati v. fere Hberi, glabri. 

 Fructus globosus, circiter 6-6.5 cm. diam., albus v. pallide purpura- 

 scens, sepalis inflexis. 



Western Szech'uan: Niu-tou-shan, west of Kuan Hsien, wood- 

 lands, alt. 2600-3000 m., June 30, 1908 (No. 3007, type); Ching-chi 

 Hsien, woodlands, alt. 2800 m., September 15, 1908 (No. 874); Wa- 



^ No. 941 of which only a single specimen had been collected has not been seen 

 by the author of this paper, but it apparently belongs to 5. unguiculata. — Ed. 

 * The usual spelling /as/i^iato is incorrect, as it is derived from the verb fastigare. 



