ROSACE AE . — 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 

 cm. 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 l-2(-3) umbellati, coaetanei 

 foliis simul 1.5-5 cm. longis; bracteae (l-)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 sulcatum v. subreticulato-costulatum. 

 Western Hupeh and Szech'uan. See the varieties. 



Without the stones, which are remarkably narrow and distinctly, though sHghtly 

 furrowed, 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. 



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. i8); north of Ichang, wood- 

 lands, alt. 1300 m., June 1907 (No i8*); Pa-tung Hsien, woods, alt. 

 1000-1300 m., April and June 1907 (No. 39); Fang Hsien, woods, alt. 



