ROSACEAE. — PRUNUS 257 
Subsect. 13. CERASEIDOS (Siebold & Zuccarini) Koehne, n. subsect. 
Ceraseidos Siebold & Zuccarini in Abh. Akad. Münch. III. 743 t. 5 (1843), 
sensu ampliato. 
Ser. 1. PHYLLOPODIUM, n. ser. 
72. Prunus setulosa Batalin in Act. Hort. Petrop. XII. 165 (1892); in Gartenfl. 
XLII. 330 (1892). 
Eastern Kansu: near the monastery of Dshoni, May 31, 1885; in the high 
pass between Minping and Wuping, July 3, 1885, G. N. Potanin (not seen). 
73. Prunus phyllopoda Koehne, n. sp. 
Rami tenues, annotini pilorum residuis hirtuli, pallide fuscescentes, vetustiores 
glabri fusci. Folia juvenilia: stipulae anguste lineares, parvae, parce glanduloso- 
fimbriatae; petioli 2-8 mm. longi, hirsuti; glandulae saepe 2-4 laminae basi inser- 
tae, stipitatae; lamina e basi rotundata late ovata, cire. 3 cm. longa 2 cm. lata, 
subacuminata, inciso-duplicato-serrata, dentibus latis, cuspidatis, glandula nulla 
v. parum conspicua terminatis, utrinque densiuscule hirsuta, nervis utrinsecus 
circiter 7, subtus vix pallidior. Involucra circiter 5 mm. longa; pedunculus ad 
15 mm. longus, villosus; flores 1-2 umbellati, coaetanei; bracteae 2-4, infimis 
sterilibus, euphyllis consimiles, infimis breviter petiolatis ad 20 mm. longis, superiori- 
bus 13-6 mm. longis; pedicelli 10 mm. longi, tenere villosi; cupula 6.5 mm. longa, 
3.5 mm. diam., suburceolata-tubulosa, dense villosa; sepala suberecta, anguste 
oblongo-triangularia acuta, 3.5 mm. longa, integra, ciliata, utrinque laxe villosa; 
petala obovata, 5 mm. longa 4 mm. lata, haud emarginata, leviter eroso-crenulata; 
stamina 32, petalis paullo breviora, ad 3.5 mm. longa; pistillum 9 mm. longum; 
stylus staminibus subbrevior, usque ad duas tertias partes dense lanato-villosus. 
Drupa ignota. 
Northern Shensi: Ken-y-shan (Lao-y-shan), May 2, 1899, G. Giraldi. 
74. Prunus canescens Bois. See p. 215. 
75. Prunus Veitchii Koehne, n. sp. : ; 
Frutex 0.6-2-metralis; rami annotini cani, glabri, vestustiores fusci v. cinereo- 
fusci. Folia juvenilia sub anthesi tantum nota; lamina ad 22 mm. longa, 8 mm. 
lata, longe acuminata, inciso-serrata dentibus bifidis acuminatis eglandulosis, supra 
glabra, subtus praesertim in nervis pilis aceumbentibus rigidulis obsita. Involucra 
8-10 mm. longa; pedunculus nullus; flores 1-3 umbellati, subpraecoces; bracteae 
Subexsertae, euphyllis consimiles, subpetiolatae; pedicelli 8-13 mm. longi, glabri; 
cupula 8-10 mm. longa, e basi acuta tubulosa v. leviter obconica, glabra; sepala 
patentia, ovata v. oblonga, acuta, 4.5-5 mm. longa, integra, glabra; petala ovata, 
10 mm. longa, 7 mm. lata, emarginata; stamina 37, petalis subaequilonga, ad 9 
mm. longa; stylus stamina aequans v. 3 mm. longior, glaber. 
Vestern Hupeh: Chang-yang, woods, alt. 2000 m., April 4, 1900, E. H. Wilson 
(Veitch Exped. No. 66). 
The correct place of this species in the genus is not at all certain. When com- 
pletely known, it may be necessary to transfer it to another group. 
Ser. 2. DROSERINA, n. sect. 
76. Prunus Giraldiana Schneider in Fedde, Rep. Nov. Sp. I. 65 (1905). 
Northern Shensi: Quen-tou-shan, May 5, 1898, G. Giraldi (No. 3789). 
77. Prunus droseracea Koehne. See p. 215. 
