114 



3. B. circumlobata, Hance in Journ. Bot. 1883, 203. Lantao 



Island, Hongkong New Territory ; Lienchow Uiver near 

 Sinshi. Fl. rose-coloured, August. 



4. B. sikkimensis, A. DC. in DC. Prodr. xy. i. 349. Lofonshan. 



Fl. bright red, August. 



5. B. laoiniata, Roxb. ; Benth. Fl. Hongk. 126. North side of 



Mt. Victoria, Mt. Gough, North side of Mt. Nicholson, 

 Mt. Parker and Wongneichong, Hongkong ; Lantao 

 Island , Hongkong New Territory ; by streams on the 

 slopes of the Phoenix Mt., Swatow ; Lienchow Kiver ; 

 Lofoushan. Fl. pink, June. 



6. B. Roxburghii, A. DC; Clarke in Hook. f. Fl. Brit. Ind. ii. 



635. Lienchow Biver ; Lofoushan. Fl. white, June. 



7. B. leprosa, Hance in Journ. Bot. 1883, 203. Near Samtin on 



the Lienchow River. Fl. rose-coloured, August. 



8. B. Bretschneideriana, Hemsl. in Hook. Ic. PI. t. 2635. On a 



bank, Robinson Road, Hongkong ; Lienchow River. 

 Fl. pale rose, August. 



9. B. sinensis, A. DC. in DC. Prodr. xv. i. 313. Lienchow 



River ; North-west River. Fl. rose-coloured, August. 

 10. B. Evansiana, Andrews in DC. 1. c. 313. Swatow ; Lienchow 

 River. Fl. rose-coloured, August. 



CACTACEAE. 

 1.— OPUNTIA. 



1. 0. Dillenii, Haw. ; DC. Prodr. iii. 472. Naturalised in Hong- 

 kong and Hongkong New Territory. Fl. yellow, Autumn. 



FICOIDEAE. 



Key to genera,. 



3. Mollugo. 



2. 

 2. Sesuvium. 

 1. TelTagonia. 



1. Leaves thin 



Leaves fleshy ... 



2. Leaves linear ... 

 Leaves ovate ... 



1.— TETRAGONIA. 



1. T. expansa, Murr. ; DC. Prodr. iii. 452. Seashore at Cause- 

 way Bay, Hongkong ; Lantao Island ; fields near Swatow; 

 Macao. Fl. yellow, April. 



2. -SESUVIUM. 



1. S. Portulacastrum, Linn. % Clarke in Hook. f. Fl. Brit. fnd. ii. 

 659. At Taio, Lantao Island, Hongkong New Territory,* 

 Pakhoi on sandy seashores. Fl. bright rose, May. 



3.— MULLUGO. 



1. M. stricta, Linn. ; Benth. Fl. Hongk. 23. Hongkqng without 

 locality ; in cultivated fields, Swatow, Sanning, and Pakhoi ; 

 North River. Fl. white, August. 



