238 WILSON EXPEDITION TO CHINA 



6. Primus acida C. Koch. Southern Europe. 

 This name may be provisorily retained. 



7. Pninus Cerasus Linnaeus. Europe, western Asia. 



8. Prunus avixim Linnaeus. Europe, western Asia. 



Subsect. 3. PHYLLOMAHALEB Koehne, n. subs. 



Ser. 1. Aphanadenium Koehne, n. ser. 



9. Prunus MaximowiczU Ruprecht in Bull. Acad. Sci. St. Petersburg, XV. 131 



(1857). 

 Prunus bracteata Franchet & Savatier, Enum. PI. Jap. II. 329 (1879). 

 Prunus apetala Zabel in Mitt. Deutsch. Dendr. Ges. XIII. 60 (non Franchet 

 & Savatier) (1904). 

 Amurland, eastern Mandshuria, Korea, Saghalin, Japan from Hokkaido to Kiu- 

 shiu. Not yet reported from China proper. 



Prunus Maximowiczii, var. aperta, Komarow in Act. Hort. Petrop. XXII. 

 5, 48 (1904). 

 Mandshuria from the Ussuri through Kirin to Mukden and northern Korea. 



10. Prunus pulchella Koehne. See p. 197. 



Ser. 2. Macradenium Koehne, n. ser. 



11. Prunus conadenia Koehne. See p. 197. 



12. Prunus pleiocerasus Koehne. See p. 198. 



13. Prunus macradenia Koehne. See p. 199. 



14. Prunus discadenia Koehne. See p. 200. 



Specimens of P. cerasoides D. Don ("Himalaya boreali-occidentalis, regione 

 temperata, alt. 7000 ped., coll. T.Thomson," in Herb. Ind. Or. Hooker f. & Thomson, 

 distributed as P. Puddum) included a leafy branch with leaves resembling closely 

 those of P. discadenia. On account, however, of the great distance between western 

 Hupeh and the northwestern Himalayas the branch hardly belongs to P. discadenia, 

 but probably to another species not yet described. 



15. Prunus szechuanica BataUn in Act. Hort. Petrop. XIV. 167 (1895). 

 Szech'uan: "inter Siao-shinte et Wa-sze-kou," July 14, 1893, V. A. Kachkarov. 



Subsect. 4. PHYLLOCERASUS Koehne, n. subsect. 



16. Prunus tatsienensis Batalin in Act. Hort. Petrop. XIV. 322 (1897). 

 Szech'uan: between the village Erh-to-shui and Tatsien-lu, April 4, 1893, 



G. N. Polanin; Tatsien-lu, May 12, 1893, G. N. Potanin. 



Prunus tatsienensis, var. adenophora (Franchet) Koehne, n. comb. 

 Prunus Maximowiczii, var. adenophora Franchet, PI. Delavay. 195 (1889). 

 Ramuli novelli glaberrimi, annotini ochracei, vetustiores cinerei striati. Stipulae 

 ad 2 mm. longae; petioU glaberrimi, glandulis plerumque 2 laminae basi insertis; 

 lamina e basi rotundata v. emarginata late obovata, caudata, duplicato-serrata, 

 glaberrima v. supra remotissime minutissime strigulosa, nervis utrinsecus circiter 

 6-10. Involucrum fere 1cm. longimi; pedunculus 10-14 mm. longus; flores (2-)3, 

 infimo interdum subremoto; bracteae 3-5, infima oblonga v. oblongo-lanceolata, 

 13-17 mm. longa 5 mm. lata, ceterae orbiculatae, 4-9 mm. longae; pedicelU 6-11 

 mm. longi; sepala integra; petala orbiculata, 6.2 mm. longa, 5.2 mm. lata, integra; 

 stamina 38, ad 5 mm. longa; pistillum 7 mm. longum. Cetera ut in typo. 

 Yunnan: in the garden of Mr. Le Guilcher at Tali, /. Af . Dekmy. 

 Prunus tatsienensis, var. stenadenia Koehne. See. p. 201. 



17. Primus variabilis Koehne. See p. 201. 



