ROSACEAE. — PRUNUS 217 
This species is closely related to P. latidentata Koehne, which has the same kind 
of pubescence on the lower surface of the leaves. If the pubescence inside the 
sepals should prove to be variable, the species ought to be referred as a variety to 
P. latidentata, 
Prunus latidentata Koehne, n. sp. 
Arbor 5-13-metralis; truncus 10-50 em. diam.; rami juveniles 
dense pilosi, mox glabrati, tenues, vetustiores cani v. cano-fusci; 
gemmae ad 2.5 mm. longae, glabrae. Stipulae angustissime lineares, 
2.5-5 mm. longae, glanduloso-fimbriatae; petioli 7-10 mm. longi, 
glabri; glandulae saepius 1-2, laminae basi insertae, interdum stipita- 
tae; lamina basi acuta, rotundata v. subemarginata, ovata, obovata 
v. obovato-oblonga, 2-5 em. longa, 1.2-2.4 cm. lata, sat subito acumi- 
nata, profunde duplicato-, basi apiceque simpliciter serrata, dentibus 
latioribus quam longis, breviter acuminatis, glandula punctiformi 
terminatis, supra in costa albo-pubescens ceterum pilis brevissimis 
teneris conspersa v. demum glabrata, subtus juxta costam glabram 
v. parce pilosam longe dense crispato-villosa ceterum initio interdum 
in facie neque vero in nervis pilosa, nervis utrinsecus 7-11, subtus 
parum pallidior, membranacea. Involucra ante anthesin decidua 
residuis paucis persistentibus; pedunculus brevissimus; flores 1-2 
(3) umbellati, coaetanei foliis simul 2.5-3.5 em. longis; bracteae 
deciduae, paucae persistentes 2 mm. longae, fuscae; pedicelli 8-25 
mm. longi, basi parce pilosi v. raro glabri; cupula 5.5-6.5 mm. longa, 
breviter latiuscule campanulata, glabra; sepala erecto-patula, late 
ovato-triangularia acutiuscula, 2-3 mm. longa, utrinsecus denticulis 
l-4 teneris munita; petala ovata, 5-6 mm. longa, 3.5-5 mm. lata, 
haud emarginata, subintegra, alba v. pallide carnea; stamina 32-35, 
petalis subaequilonga, ad 4-6 mm. longa; pistillum 15-16 mm. longum, 
stylus staminibus 4-6.5 mm. longior, glaber v. basi pilis paucis consper- 
sus. Drupa globosa, 9 mm. diam., rubra; putamen rotundatum, 
7.6:7:5.3 mm., valide suleatum et foveolis paucis munitum, carina lata 
complanata. 
Western Szechuan: west of Kuan Hsien, woodlands, alt. 2000- 
3000 m., June 1908 (No. 2820); Tachien-lu, woodlands, August 1808 
(No. 2819, with flowering branches without date); western China, 
ravines, alt. 4000 m., June 1909 (Veitch Exped. No. 3524); woods, 
May 1904 (Veitch Exped. No. 3528, doubtful on account of the too 
Scant material). 
