ROSACEAE. — PRUNUS 203 
cinerei; gemmae ad 2 mm. longae, glabrae. Stipulae oblique oblon- 
gae v. angustissime lineares, 5-8 mm. longae, glanduloso-serratae v. 
fimbriatae glandulis capitatis v. oblongis, in innovationibus herbaceae 
persistentes; petioli 6-12 mm. longi parce hirti v. glabri, glandulis 
2 laminae basi rarius petioli apici insidentibus, interdum stipitatis; 
lamina e basi emarginata v. rotundata v. interdum acuta obovata 
v. obovato-oblonga intermixtis rotundatis, 4.3-8.5 cm. longa, 2-4.2 
em. lata, subito v. paullatim acuminata, argutissime saepe subincise 
duplicato- basi apiceque simpliciter serrata, dentibus acuminatis eglan- 
dulosis v. glandula minutissima terminatis, supra remote strigulosa 
dein glabra, subtus in nervorum axillis barbata v. in costa v. etiam 
in nervis hirtella ceterum glabra v. tota facie hirta, nervis utrinsecus 
7-12, laete viridis, subtus subconcolor v. paullo pallidior. Involucra 
pleraque sub anthesi decidua, 6-10 mm. longa; pedunculus 2-10(-15) 
mm. longus, parce v. dense pilosus; flores 1-2(-3) umbellati, coaetanei 
foliis simul 1.5-5 em. longis; bracteae (1-)2-3, oblongae ad rotundatae, 
5-8 mm. longae, glanduloso-serratae glandulis minutis v. capitatis v. 
oblongis, herbaceae, persistentes; pedicelli 13-30 mm. longi, glabri v. 
parce v. interdum densinscule villosi; cupula 4—5.5 mm. longa, breviter 
lateque v. subanguste campanulata, glabra; sepala triangularia obtusi- 
uscula v. acuta, 2.5-3 mm. longa, utrinsecus glandulis 1-3 brevissime 
stipitatis munita, glabra v. apice parce ciliata; petala ovalia, 9 mm. 
longa, 6 mm. lata, interdum apice leviter crenulata; stamina 20—24, 
petalis subbreviora v. sublongiora, majora 7-11 mm. longa; stylus 
staminibus subbrevior, usque ad fere duas tertias partes lanato-villosus. 
Drupa oblonga, 8-9 mm. longa, 4-5 mm. lata, rubra; putamen ob- 
longum, 7-8 mm. longum, 3-4 mm. latum, juxta carinam leviter 
oblique suleatum v. subreticulato-costulatum. 
Western Hupeh and Szech'uan. See the varieties. 
Without the stones, which are remarkably narrow and distinctly, though slightly 
wed, it is difficult to separate this species from P. variabilis Koehne, which 
has much broader and perfectly smooth stones. 
Prunus pilosiuscula, var. barbata Koehne, n. var. as 
: Folia subtus in nervorum axillis barbata ceterum glabra, exceptis 
interdum innovationum supremis subtus undique pilosis. 
Western Hupeh: Hsing-shan Hsien, woods, side of stream, alt. 
1000-1300 m., May and Aug. 1907 (No. 18); north of Ichang, wood- 
lands, alt. 1300 m., June 1907 (No 18°); Pa-tung Hsien, woods, alt. 
1000-1300 m., April and June 1907 (No. 39); Fang Hsien, woods, alt. 
