48 
5.—URENA. 
Key to species. 
Leaves orbicular toothed or broadly 
lobed x was l. lobata. 
. Leaves deeply 3- or 5lobed ... we 4. Sinuata. 
1. U. lobata, s oe Ha Fl. Hongk. 34. Common on roadsides 
ong 
2. 
l. 
2. 
3. 
4. 
E 
; Hoifung. Fl. purple, August 
U. sinuata, vnm ; € l. e. 34. Common on roudeidés in 
Hongkong; near Lowu, Hongkong New Territory; 
Hoifung. Fl. purple, October. 
6.—HIBISOUS. 
Key to species. 
Bracteoles free or nearly so... S 2. 
Bracteoles connate T $us m 
Leaves digitate l. T'rionum. 
Leaves simple ... 4. 
Leaves orbicular 4. tiliaceus. 
Leaves lanceolate 5. rosa-sinensis. 
erb -x E SER cas ... 2, Abelmoschus. 
Shrub... sas 3. mutabilis. 
H. Trionum, Lin».; DC. Prodr. i. 453. At Kowloon-tsai, 
Hongkong New Territory. Fl. yellow marked with 
purple, July. 
2. H. Abelmoschus, Zinn. ; Benth. Fl. Hongk. 34. At Chaiwan 
ory ; an 
le River. — Fl. yellow marked with purple, 
Augus 
3. H. eniro Linn.; DC. Prodr. i. 452. On Mt. Gough, 
4, 
5. 
L. 
Hongkong ; Eai Island, Hongkong New Territory ; 
on river ere a near Chaochaufu. Fl. white changing to 
pink, Septemb 
H. tiliaceus, prs DC. Prodr. i. 454. Common on the 
seashore, Hongkong ; at Tai-o on Lantao Island, Hong- 
kong New Territory. Fl. yellow with a red eye, July to 
October. 
H. rosa-sinensis, Linn.; DC. Prodr. i. 448. Near Shatan 
and Lienchow River. Fl. red, white and yellow, Summer 
7.—BOMBAxX. 
B. malabaricum, DC. Prodr. i. 479. Cultivated in Hongkong ; 
"ep above Hahang, Hongkong New Territory; 
haochaufu, Swatow. Fl. red, March. 
