168 
2.—RAUWOLFIA. 
1. R. chinensis, Hems/.; Ophioxylon chinensis, Hance in Journ. 
Bot. 1865, 380. Robinson Road, Peak Road and near 
Aberdeen New Road, Hongkong ; along the West River, 
up to the frontier of Kwangsi. Fl. white, April to July. 
3.—ALYXIA. 
l. A. sinensis, Champ. ; Benth. Fl. Hongk. 219. On rocky hills, 
in ravines and woods, common in the island, Hongkong ; 
ahang and Tin-tso-ngam, Hongkong New Territory ; 
Swatow ; Kwaisin, Hoifung. Fl. white, July. 
4.—CERBERA. 
C. Odollam, Gaertn. ; Benth. Fl. Hongk. 219. At Aberdeen. 
Shaukiwan and elsewhere near the sea, Hongkong ; Hong- 
kong New Territory without locality. FI. white, May. 
pæ 
. 
5.—VINCA. 
l. V. rosea, Linn.; Benth. Fl. Hongk. 220. In waste places, 
Hongkong ; Macao. Fl. pink or white, Summer. 
6.—POTTSIA. 
l. P. cantonensis, Hook. et Arn. ; Benth. Fl. Hongk. 222. Taitam 
Tuk and in the Glenealy ravine, Hongkong ; Lanfa Mt., 
Hoifung ; Lofoushan at 3000 ft. FI. pink, June. 
7.—WRIGHTIA. 
1. W. pubescens, R. Br.; DC. Prodr. viii. 405. Sanning ; North 
River; Northwest River. Fl. white, J uly. 
: 8.—NERIUM. 
1. N. odorum, Soland. ; Hook. f. Fl. Brit. Ind. iii. 655. K wang- 
tung without locality. Fl. rose-white or yellow, ——. 
9.—STROPHANTHUS. 
1. S. divergens, Grah.; Benth. Fl. Hongk. 220. Common at 
low levels, but less so higher up the hills, Hongkong ; 
Taimoshan, Hongkong New Territory ; hill near Chao- 
chaufu ; Macao; Pakhoi. Fl. yellow, April. 
10.—ECDYSANTHERA. 
Key to species. 
Leaves green underneath; corolla 
scarcely above 1 line lone... e. l. micrantha. 
Leaves glaucous underneath ; corolla 
2 lines id ii i Oh rosd. 
