93 
L—PRUNUS. 
Key to species. 
1, Peduncles solitary or fascicled eo 5. 
Flowers racemose vs $is 7 * 
2. Leaves entire . ec He ^ 
Leaves toothed Ree ifa pu an macrophylla 
3. Leaves punctate 
Leaves without dots beneath .. E 
4. Veins obscure ... ps ss ac D 
Veins promine ... — 6. punctata, 
5. Stone of fruit uh and d downy 1. Mume. 
Stone of fruit smooth . 2 
l. P. Mume, Sieb. et Zucc. in Fl. Jap. i. 29. Cultivated in 
Hongkong New Territory and renes Fl. white, 
January. 
: — Thunb. ; Cerasus japonica, Loisel.; DC. Prodr. 
38. n Victoria Peak, Peak Road and Bowen 
Hood; Hon pkore Taimoshan, Hongkong New Territory. 
Fl. white, F ebruar 
. macrophylla, Sie). et Zuce. ; ; Pygeum oxycarpum, Hance in 
Journ. Bot. 1870, 242. White Cloud hills and Lienchow 
River. Fl. ——, November 
marginata, Dunn in "been Bot. 1907, 402. Lantao Peak 
at 1500 ft., Hongkong New Territory Fl. NN May. 
Fordiana, Dunnl.c.402, San ing. Hl. — 
punctata, Hook. f. Fl. Brit. uet ii, 317. dn the Happy 
alley w 
. son habe 
. japonica, 
bo 
"d 
^ 
"d 
» 
0 
5 
ro 
woods, Mt. Parker north, Cape d’Aguilar, Hong- 
kong ; ina wood at the White Cloud monastery, Canton. 
Fl. w 
2.—PYGEUM. 
l. P. latifolium, M;g.; Benth. FI. —— 104. Hongkong 
witht locality. Fl. white, — 
3.—SPIRAEA. 
Key to species. 
. Leaves obtuse, toothed at top = È te 
Leaves elliptic or = acute ... 
Leaves nearly entire ... des 
Leaves inciso-serrate ... 
1. 8. Blumei, G. Don ; Maxim. in Act. Hort. Petrop. vi. 196. 
Swatow ; Lienchow River. Fl. white, April. 
2. 8. prunifolia, "Sieb. et Zucc.; Maxim. l c. 184. On hill at 
8, .8, cantoniensis, .Lowr.; Benth. FI. Hongk. 105. Hongkong 
pren a ea Whampoa. Fl white, April. . 
m 
2. oisi. 
3. cantoniensis. 
" 
