ROSACEAE. — SORBUS 475 
June 1908 (No. 3004); same locality, upland thickets, alt. 3000-3600 
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- 
donta Koehne); Ching-chi Hsien, alt. 3300 m., September 18, 1908 
(No. 941; fruit pale purple). : 
Sorbus setschwanensis (Schneider) Koehne, n. sp. 
Sorbus Vilmorini, var. setschwanensis Schneider in Bull. Herb. Bois- 
sier, sér. 2, VI. 318 (1906); Ill. Handb. Laubholzk. Y. 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 em. 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 
deerescentia (quare folia triangulari-fastigata?), basi obtusa v. hine 
acuta, anguste oblonga, media 0.5-1.3 cm. longa, 0.2-0.4 em. 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 liberi, glabri. 
Fructus globosus, circiter 6-6.5 em. 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 i i — Ed 
paper, but it apparently belongs to S. unguiculata. 1. 
¢ usual spelling fastigiata is incorrect, as it is derived from the verb fastigare. 
