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. Stipules glabrous id vis vee 22. jucundum. 
jen 
Stipules ha 
. Leaves pride narrowed at the base 23. flaccidum 
Leaves shortly narrowed at the base... 24. Hydropiper. 
ii 29. 
. Achenes lenticular f d 
Achenes trigonous 31. 
. Leaves Sirge or shortly acuminate at 
the 20. virginianum. 
30. 
Leaves a attenuate at the base 
. Achenes 2 lines long... e el. 25. japonicum. 
Achenes 1 line lon ia es .. 26. minus. 
. Leaves obtuse at the base ET .. 10. serrulatum. 
Leaves attenuate at the base ... ..- 27. Posumbu. 
2. Climbing plant .. ve ‘x .. 28. multiflorum. 
Erect plant ie .. 29. sachalinense. 
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plebeium, R. Br.; Benth. FI. Hoag 287. In ^p oe 
and waste places, Hongkong ; Kwaichong, Hongkong Ne 
Territory ; Swatow dirit: : Pakhoi ; North River Fl. 
green, December— March. 
chinense, vu Benth. l. c. 289. Taihang, Taitam Tuk 
and Victoria Peak, Hongkong ; Taimoshan at 1500 ft., 
and Gas ‘Pak Hongkong New Territory ; Swatow 
district; Kwaisin, Hoifun common in damp waste 
places, Canton. Fl. white, Septembe 
. alatum, Ham. ; Hook. f. Fl. gue v. 41. Lanfa Mt., 
. eriopolitanum, Hance in Ann. Se. Nat. sér. 5, v. 238. Near 
Chaochaufu; open waste places around Canton ; along the 
West hiver. ‘ 
viscosum, Ham.; Benth. FI. H ongk. 287. Hongkong 
without locality ; fields near Chaochaufu ; weed in culti- 
vated ground, Canton. Fl. pink, April. 
lanigerum, A. Br.; Hook. f. Fl. Brit. Ind. v. 35. River 
bank near Swatow ; Pakhoi. Fl. white, April. 
glabrum, Willd. ; Benth. Fl. Hongk. 288. Fóngkui orem 
out locality ; 'Swatow district ; garden weed, Canto 
Fl. white or rose, November. 
tinctorium, ZLowr.; DC. Prodr. xiv. 102. At Chaiw 
Hongkonz ; : roadsides at Suheang, near Hongkong, o: 
the Canton River. Fl. pink, July. 
lapathifolium, Zinn. ; Benth. Fl. Hongk. 288. Hongkong 
without locality ; near Chaochaufu ; weed in Ep Umm 
ground, Canton ; Macao and islands near. Fl. white, March. 
serrulatum, Lagasca ; Hook. f. Fl. Brit. Ind. v. 38. Mt. 
Gough, Hongkong ; near Chaochaufu ; Kwaisin, Hoifung. 
Fl. vito or rosy, September—A pril. 
. stagninum, Ham. ; Hook. f. 1. c. 37. Quarry Bay, ie 
kong ; near Sanwai, Hongkong New Meer Hoifung 
edges of pools, Canton. Fl. white, Septem 
barbatum, Linn. ; Benth. Fl. Hongk. 288. Wongneichong, 
and Mt. Gough, Hongkong; Pakhoi; Lienchow River. 
Fl. white, July—October. 
