ROSACEAE. — PRUNUS 225 



Western Hupeh: Ichang, roadsides, alt. 1800 m., April and June 

 1907, (No. 43); cliffs, Fang Hsien, alt. 600-1300 m., August, 1907, 

 (No. 43«). 



Prunus tomentosa Thunberg, var. endotricha Koehne, n. var. 



Frutex 1-3-metralis, v, arbor fere 7-metralis; rami pubescentes v. 

 dense tomentosi saepe in secundum tertiumque annum, sed hornotini 

 interdum autumno basi glabri, vetustiores cortice rimoso sero soluto; 

 gemmae 1.5 mm. longae, parce pilosae. Stipulae lineari-subulatae, ad 

 6 mm. longae, interdum basi parce pectinatae, persistentes; petioli 

 2-4 mm. longi, dense villoso-tomentosi, glandulis nullis; lamina e 

 basi acuta elliptica v. oblonga, raro in innovationibus obovata, 2.5-4.8 

 cm. longa, 1.1-2,6 cm. lata, acuta v. subacuminata, crenato-serrata, 

 dentibus latis rotundatis, breviter mucronato-cuspidatis, supra par- 

 cius V. ubere pilis conspersa, subtus hirto-tomentosa cana, nervis 

 utrinsecus 6-9 supra impressis. Involucra 2-2.5 mm. longa, 1-flora; 

 pedicelli subnulli v. ad 2.5 mm. longi; flores subcoaietanei foliis simul 

 vix 1 cm. longis; cupula 4-5 mm. longa, campanulato-tubulosa v. ob- 

 conica, glabra, intus ima basi excepta densissime pubescens; sepala 

 2-3 mm. longa, patentia, obtusa, parce minutim serrulata, extus 

 pilosa, intus basi tantum dense pubescentia; petala 8.5-10 mm. longa, 

 6-9.5 mm. lata, obovata, baud emarginata, alba; stamina 17-19, ad 

 4-6 mm. longa; pistillum vix 6 mm. longum, ovarium fere a basi pil- 

 osum pilis infimis retrorsis, stylus ultra medium dense villosus. Drupa 

 circiter 10.5-14 mm. longa, 9-12.5 mm. diam., parce pilosa, fusco- 

 rubra; putamen ovato-rotuD datum, 9.5-10:7-8.5:5.5-7 mm., laeve, 

 carina obsoleta. 



Western Hupeh: Hsing-shan Hsien, cliffs, alt. 600-1300 m., April 

 and June 1907 (No. 49); cultivated (Veitch Exped. No. 28). West- 

 ern Szech'uan: around Tachien-lu, thickets, alt. 2600 m., July 26, 

 1908 (No. 911); Tachien-lu, alt. 2600-3000 m., September 1908 

 (No. 911", without flowers like 911 but very likely var. endotricha); 

 Szech'uan, A. von Rosthorn (No. 1839, 1842). — Northern Shensi: 

 Inkiapo, Lao-y-san, May 1899, G. Giraldi (No. 5291); Inkiapo 

 above Si-ku-tzui-shan, May 1900, G. Giraldi (No. 7186); Shian-gens in 

 Lao-y-san, May 12, 1899, G. Giraldi (No. 9293) ; cemetery of Nan-kia- 

 fen near Huo-kia-zaoz, June 1, 1897, G. Giraldi (No. 5290); Po-u-li, 

 April 1900, G. Giraldi (No. 7148); Gniu-ju, May 1893, G. Giraldi 

 (No. 1138). 



