274 WILSON EXPEDITION TO CHINA 
Spinosae. Folia crenulata, glaberrima, nervis supra inconspicuis. 
Flores sessiles v. subsessiles. 
Folia 11:9 mm., rotundato-elliptica, nervis utrinsecus circiter 4. Drupa 
13:10 mm., vix compressa, parce tomentella, verisimiliter indehiscens; 
putamen cum epicarpio arctissime connatum ...... 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 em. longa. 
Putamen laeve ovatum; drupa epicarpio carnoso, densissime tomentosa. 
Folia lanceolata, subtus basi secus costae latera villosa. . . . P. mira. 
Putamen haud laeve. Drupa tomentosa, nonnisi in P. Persica var. nuciper- 
sica glabra. 
Putamen profunde irregulariter suleatum et foraminulatum. 
Sepala glaberrima. Petioli 10-22 mm. longi, dimidia laminae latitudine 
lonpiores raro glandulfet| o . .. as n 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 glanduhfer]; — : 7... 7... 4 P. Persica. 
Putamen sulcis irregularibus obsitum, sed absque foraminibus punctiformi- 
bus. Folia lanceolata, subtus saepe basi ad costam barbata, 5 em. longa, 
Lt5unliss 3: 15. 42 4 2. xL SEU P. tangutica. 
ENUMERATIO SPECIERUM CHINENSIUM SUBGEN. 
AMYGDALI. 
1. Prunus triloba Lindley in Gard. Chron. 1857, 268. — Lemaire in Ill. Hort. 
VIII. t. 308 (1861). — Stapf in Bot. Mag. CXXXII. t. 8061 (1906). — Koehne in 
Mitt. Deutsch. Dendr. Ges. XIX. 100 (1910). 
Amygdalopsis Lindleyi Carriére 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. sér. 6, XVI. 281 (1883). 
Prunopsis Lindleyi André in Rev. Hort. 1883, 307, 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. Laubholzk. 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 (Maximowiez in Bull. Acad. Sci. St. Péters- 
bourg, XXIX. 80; in Mél. Biol. XI. 665 (1883). I have seen no Chinese 
Prunus baldschuanica Regel 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 pedunculata (Pallas) Maximowiez in Bull. Acad. Sci. St. Pétersbourg, 
XXIX. 78; in Mél. Biol. XI. 663 (1883). 
Amygdalus pedunculata Pallas in Nov. Act. Petrop. VII. 355, t. 8, 9 (1798). 
Baikal region, northeastern Mongolia, southern Altai. 
