114 
3. B. circumlobata, Hance in Journ. Bot. 1883, 203. Lantao 
sland, Hongkong New owed : Lienchow River near 
Sinshi. Fl. rose-coloured, Augus 
4. B. sikkimensis, A. DC. in DC. Prodr. xv. 1. 349. Lofoushan. 
l. bright red, August. 
5. B. laciniata, Korb. ; Benth. Fl. Hongk. 126. North side of 
M 
35. white e, June. 
7. B.leprosa, Hanae in Journ. Bot, 1883, 203. Near Samtin on 
e Lienchow River. Fl. rose-coloured, Augus 
8. B. Bretschneideriana, Hemsl. in Hook. Ic. Pl. t. 2635. Ona 
ank, Robinson Road, Hongkong;  Lienchow River. 
9. B. sinensis, 4. DC. in DC. Prodr. xv. 1. 313. Lienchow 
River ; FEP River. Fl. rose-coloured, August. 
10. B. Evansiana, Andrews in DC. 1. c. 313. Swatow ; Lienchow 
River. FI. erede. August. 
CACTACEAE. 
-1—OPUNTIA. 
1. O. Dillenii, Haw. ; DC. Prodr. ii. 472. Naturalised in Hong- 
kong and Hongkong New Territory. Fl. yellow, Autumn. 
. FICOIDEAE. 
` Key to genera. 
l. Leaves thin ... a: x ur M ee 
Leaves fleshy C es we 
2. Leaves linear ... . m as A 4 Manali 
Leaves ovate .... Be Lec s e. l. Detragonia, 
1.—TETRAGONIA. 
1. T. expansa, Murr.; DC. Prodr. iii. 452, Seashore at Cause- 
way X Hongkong ; Lantao Island ; fields near Swatow; 
Mac Fl. yellow w, April. 
2.—SESUVIUM. 
1. S. Portulacastrum, Linn.; Clarke in Hook. f. Fl. Brit. Ind. ii. 
659. At Taio, Tantas Island, Hongkong New Territory; 
_Pakhoi on sandy seashores, Fl. bright rose, May. 
3.—MULLUGO. 
1. M. — Linn.; Benth. Fl. Hongk. 23. Hongkong without 
ocality ; in cultivated fields, Swatow, S: and P. 
Non River. Fl. white, August. » Yd T 
