274 WILSON EXPEDITION TO CHINA 



Spinosae. Folia crenulata, glaberrima, nervis supra inconspicuia. 

 Flores sessiles v. subsessiles. 



Folia 11:9 mm., rotundato-elliptica, nervis utrrnsecus circiter 4. Drupa 

 13:10 mm., vix compressa, parce tomentella, verisimiliter indehiscens; 



putamen cum epicarpio arctissime connatima P. mongolica. 



Folia 10-30:5-8 mm., cuneato-oblonga v. -lanceolata, nervis utrinsecus 

 circiter 5-8. Drupa ad 19:18:13 mm., subcompressa, dense velutina 

 ac laxius hirta, dehiscens, carne tenui; putamen facillime solubile, rugosum. 



P. dehiscens. 

 Folia majora, (5-)6-15 cm. longa. 



Putamen laeve ovatum; drupa epicarpio carnoso, densissime tomentosa. 

 Folia lanceolata, subtus basi secus costae latera villosa .... P. mira. 

 Putamen baud laeve. Drupa tomentosa, nonnisi in P. Persica var. nuciper- 

 sica glabra. 

 Putamen profunde irregulariter sulcatum et foraminulatum. 



Sepala glaberrima. Petioli 10-22 mm. longi, dimidia laminae latitudine 



longiores, raro glanduliferi P. Davidiana. 



Sepala extus v. saltem margine lanato-villosa. Petioli 5-10 mm. longi, 

 dimidia laminae latitudine breviores (nonnisi in var. densa 8-22 mm. 



longi), saepe glanduliferi P. Persica. 



Putamen sulcis irregularibus obsitum, sed absque foraminibus punctiformi- 

 bus. Folia lanceolata, subtus saepe basi ad costam barbata, 5 cm. longa, 

 1.5 cm. lata P. tangutica. 



ENUMERATIO SPECIERUM CHINENSIUM SUBGEN. 

 AMYGDALI. 



1. Prunus triloba Lindley in Gard. Chron. 1857, 268. — Lemaire in III. Hort. 

 VIII. t. 308 (1861). — Stapf in Bot. Mag. CXXXII. t. 8061 (1906). — Koehne in 

 Mitt. Deutsch. Dendr. Ges. XIX. 100 (1910). 



Amygdalopsis Lindleyi Carriere in Rev. Hort. 1862, 91, fig. 10, t.; 1870, 388, 



fig. 56 (fructus). — Van Houtte in Fl. des Serres, XV. t. 1532 (1862-65). 

 Prunus ulmifolia Franchet in Ann. Sci. Nat. ser. 6, XVI. 281 (1883). 

 Prunopsis Lindleyi Andre in Rev. Hort. 1883, 367, fig. 65 (fructus). 

 Chili, Shantung. 



Prunus triloba, var. truncata Komarov in Act. Hort. Petrop. XXII. 539 (1904). 

 Northern Korea. 



Prunus triloba, var. plena Dippel, Handb. Lauhholzk. III. 608 (1893). 

 I have seen a Chinese specimen from northern Shensi: Thae-pei-san, April 

 1895, G. Giraldi (No. 1137), mixed with a variety of P. glandulosa, Thunberg. 



2. Prunus Petzoldii K. Koch, Dendr. I. 92 (1869). —Koehne in Mitt. Deutsch. 

 Dendr. Ges. XIX. 100 (1910). 



Cultivated in the gardens at Peking (Maximowicz in Bull. Acad. Sci. St. Peters- 

 bourg, XXIX. 80; in Mel. Biol. XI. 665 (1883). I have seen no Chinese specimens. 



Prunus baldschuanica Kegel in Act. Hort. Petrop. XI. 314 (1890); in Gartenfl. 

 XXXIX. 613 (1890) is not identical with P. Petzoldii nor with P. ulmifolia 

 Franchet; see also Koehne in Mitt. Deutsch. Dendr. Ges. XIX. 98 (1910). 



3. Prunus pedxmculata (Pallas) Maximowicz in Bull. Acad. Sci. St. Petershourg, 

 XXIX. 78; in Mel. Biol. XI. 663 (1883). 



Amygdalus pedunculata Pallas in Nov. Act. Petrop. VII. 355, t. 8, 9 (1798). 

 Baikal region, northeastern MongoUa, southern Altai. 



