ren 
bo 
pi 
. 
be 
. 174 
3.—BUDDLEIA. 
Key to species. 
Corolla tube 1-2 lines long... e. — Ll. asiatica. 
Corolla tube 6 lines long ses ... 2, Lindleyana. 
B. asiatica, Lour.; Benth. Fl. Hongk. 231. Hongkong 
River; Wongyu; Lofoushan. Fl. white, February. 
Lindleyana, Fortune; Benth. l.c. 231. Ravines south of 
Vietoria Peak and in ravine near Wanchai Gap, Hong- 
ong; Lienchow River; North River. Fl. purple, 
August—December. 
be 
4.—STRYCHNOS. 
Key to species. 
Flowers 4-merous i im e. ld. paniculata. 
Flowers 5-merous vd a e. 2. angustiflora. 
. S. paniculata, Champ.; Benth. Fl. Hongk. 232. In the 
Happy Va 
ey woods, Mt. Nicholson and elsewhere, 
Hongkong ; Hongkong New Territory without locality ; 
Fl. white, May. 
l 
anton. 
ERA iniustis, Benth. 1. c. 232. Common in the island, 
Hongkong ; Lamma Island, Kanghau and Hahang, Hong- 
kong New Territory. FI. white , May. 
5.—GAERTNERA. 
. G. hongkongensis, Seem.; Benth. Fl. Hongk.232. Hongkong 
Fl.——. 
without locality. 
GENTIANACEAE. 
Key to genera. 
Floating water plant 5. Limnanthemum. 
Terrestrial plant 2. 
imber e 2. Crawfurdia. 
Stem erect 9. 
Corolla rotate m ; 
Corolla tubular, campanulate ... «9. Gentiana. 
Corolla five times length of caly X l. Exacum, 
Corolla and calyx equal we 4. Swertia. 
1.-EXACUM. 
. E. tetragonum, Hoz).; Benth. Fl. Hongk. 233. On to 
op o 
Mts. Vietoria, Gough and Parker, Hongkong ; via. 
N. River. Fl. purple, September. 
