64 
3. R. davuricus, Pall. Fl. Ross. ii. 24. 
gree 
Lienchow River. Fl. 
n, Apri 
4. R. Virentad, Benth. Fl. Hon gk. 68. Mt. Parker south and 
Hoktsui, Hongkong ; "Lantaó Island at 1500 ft., Hong- 
kong New Territory ; — 
5. R. crenatus, Sieb. et Zucc.; R. o 
Fl. green, August. 
reigenes, Hance in Journ, 
Bot. 1869, 116. "TUR Tao, Hongkong New Terri- 
tory ; White Cloud hills, Canton ; 
"e Hoifung ; 
F 
Kwaisin ; RUM River ; Lofousha l. ——, June 
to Septem 
7.—SAGERETIA. 
Key to species. 
Leaves rugose ... ^ ... e Pee 
Leaves smooth . 
EMI ud Hones in Sour Bot. 1878, 9. 
Rive ——, October. 
l. rugosa. 
2. theezans. -- 
North and Lienchow 
2. B. ifie Brongn. ; ' Benth. Fl. Hongk. 68. Common on 
Victoria Peak and elsewhere, Hongkong ; Lantao Island, 
Taimoshan, Lowu, Hongkong New Territory ; SALON 3 à 
Whampoa; Macao; Pakhoi. Fl. white, Winter 
8.—HOV ENIA. 
- 1. H. dulcis, Thunb.; Lawson in Hook. f. 
Fl. Brit. Ind. i. 640. 
Canton; Lienchow River; North River. FL yellow, 
une 
AMPELIDACEAE. 
1.—VITIS. 
Key to species. 
1. Leaves compound | Ma E 2. 
Leaves simple . vin ; 12. 
2. Leaves pinnate ... és -. — 1. cantoniensis. 
aves digitate or ate 8. 
3. Leaflets deeply incised or pinnatifid .. is 4. 
Leaflets entire or toothed 5. 
4. Flowers in small dense long-stalked . 
cymes 2. serjanaefolia. 
Flowers in loose dichotomous « cymes `. 3. heterophylla. 
5. Leaflets 5 A i. ved 6. 
Leaflets 3 x bee 9. 
6. Leaves dole » . t n 
Leaves pedat 8. 
7. Stem intend ; “peduncle vib bolintaly 
branched e. 4. planicaulis. 
Stem round ; peduncle dichotomous ... 3. heterophylla. 
8. Petals horned at back ... ... — 5. corniculata. 
"^ Petals terete at back . vei uc 8. japenieik 
