218 



13. P. pedunculare, JVall. ; Hook. f. Fl. Brit. Ind. v. iS. Near 



Kanghau and Sanwai in marshes, Hongkong New Terri- 

 tory ; Lanfa ]\It., Hoifung ; in ditches and running water 

 near Canton ; Lienchow River. Fl. white, October — 

 December. 



14. P. perfoliatum, Linn. ; Hook. f. I.e. 46. In hedges at the east 



of the Happy Valley, Hongkong ; Swatow district ; 

 Hoifung : Whampoa. Fl. white or lilac, October. 



15. P. sentieosum, Franch. et Sav. Enum. PL Jap. ii. 480. Near 



Chaochaufu, Swatow ; around Canton ; Lofoushan. Fl. 

 white or rose-coloured, AprU. 



16. P. sagittatum, Linn. ; Hook. f. Fl. Brir. Ind. v. 47. Lofou- 



shan. Fl. white or pink. Summer. 



17. P. strigosum, H. Br. ; Hook. f. 1. c. 47. Shaukiwaa, Hong- 



kong. Fl. pink, July. 



18. P. Bodinieri, Liveille in Bull. Acad. Geogr. Bot. xi. 343. In 



ditches at Pokfulam, Hongkong. Fl. pink, December. 



19. P. Pagopyrum, Linn. ; Fagopyrum esculenfum, Moench ; Hook. 



f. Fl. Brit. Ind. t. 55. Swatow district ; North and 

 Northwest Eivers. Fl. white or pink, November. 



20. P. virginianum, Linn. ; Hook. f. 1. c. 31. Lofoushan. Fl. 



white, . 



21. P. orientale, Linn.; Benth. Fl. Hongk. 288. Hongkong 



without locality. Fl. white or pink, July. 



22. P. jueundum, Meisn. in DC. Prodr. xiv. 103. Kowloon, Hong- 



kong New Territory ; Whampoa. Fl. white, September. 



23. P. iaccidum, Meistu; Hook. f. Fl. Brit. Ind. v. 39. Hongkong; 



Kwangtung without locality. Fl. bright pink, November. 



24. P. Hydropiper, Linn. ; Benth. Fl. Hongk. 288. In paddy fields, 



Hongkong ; Chaochaufu. Fl. pink, April. 



25. P. japonicum, il/(?^s«. in DC. Prodr. xiv. 112. At the foot of 



Taimoshan, Hongkong New Territory. Fl. pink, November. 



26. P. minus, Huds. ; Hook. f. Fl. Brit. Ind. v. 36. Swatow 



district ; Whampoa ; Lofoushan. Fl. pink, August. 



27. P. Posumbu, Ham. ■. Hook. f. 1. c. 38. Kwaisin, Hoifung ; 



North River. Fl. pink, September — November. 



28. P. multiflorum, Thunb. ; Meisn. in DC. Prodr. xiv. 136. 



Lienchow River. Fl. white, October. 



29. P. saehalinense, F. Schmidt in Maxim. Prim. Fl. Amur. 233. 



At East Point, Hongkong. Fl. white, September. 



2.— RUMEX. 



Key to species. 



Fruiting sepals subentire ... ... 1. rrinpitt:. 



Fruiting sepals laciniate 2. marifimus. 



1. R. crispus, Linn. ; Benth. Fl. Hongk. 286. At Chaiwan and 



Sheko, Hongkong. Fl. red, July. 



2. R. maritimus, Linn. ; Hook. f. Fl. Brit. Ind. v. 59. Hongkong 



without locality ; Swatow district ; weed in cultivated 

 groimd. Canton ; ilacao ; West River. Fl. yellowish- 

 brown, March. 



