ROSACEAE. — PRUNUS 75 
Racemorum fructiferorum axes pedicellique haud vel vix incrassati nec insigni- 
ter pallide lenticellati. Folia subtus plus minus vel haud papillosa. Cupula intus 
plerumque saltem basi pilosa, rarius glabra. Stamina (14-)20-35. Stylus brevis. 
Species americanae: P. virginiana Roemer (Amer. bor.), P. demissa Nuttall apud 
Torrey and Gray (Amer. bor.). — Europaeo-asiaticae: P. Padus Linné (inde ab 
Europa usque ad Sachalin). — Asiaticae: P. cornuta Steudel (inde ab Afghanistan 
usque ad Sikkim), P. anadenia Koehne (Afghanistan), P. glaucifolia Koehne (Hima- 
laya), P. diversifolia Koehne (Korea). P. brachypoda Batalin (China, Tibet), P. 
velutina Batalin (China), P. bicolor Koehne (China), P. ssiori F. Schmidt (Mand- 
schuria, Sachalin, Japonia). 
An hujus sedis?: species koreanae P. seoulensis Léveillé, P. diamantinus Léveillé, 
P. Fauriei Léveillé. 
Ser. 3. Grayopapus Koehne in Abhand. Bot. Ver. Brandenburg, LII. 107 
(1910). 
Sect. Eupadus Koehne, Deutsche Dendr. 303 (pro parte) (1893). 
Axes racemorum pedicellique fructiferi nec incrassati nec lenticellati. Folia 
subtus haud papillosa in dentibus infimis biglandulosa (ut in subsect. Calycinia). 
Cupula intus glaberrima; stamina circ. 22-26; stylus longus. 
Species asiatica: P. Grayana Maximowiez (China, Japonia) cum Padus acro- 
phylla C. K. Schneider chinensi verisimillime nullo modo diversa. 
Subsect. 5. MAACKIOPADUS Koehne in Abhand. Bot. Ver. Brandenburg, LII. 
107 (1910). 
Folia decidua venarum reticulo isodiametrico. Pedunculi nudi; bracteae per- 
sistentes. Calyx magis campanulatus quam in subsect. 1-4, fructifer deciduus; 
Stamina e. 20-30; stylus longus stamina aequans v. paullo superans. : 
Species omnes asiaticae: P. Maackii Ruprecht (Mandschuria, regio amurensis), 
P. laziflora Koehne (China). 
