145 



26.— SANVITALIA. 



1. S. procumbens, Lam. ; DC. Prodr. v. 628. A weed in the 

 Botanic Gardens, Hongkong. Fl. yellow and -purple, 

 January. 



27.— SIEGESBEOKIA. 



L S. orientalis, Linn. ; Benth. Fl. Hongk. 182. Common in 

 waste places, Hongkong ; on the river bank near Swatow; 

 Canton. Fl. yellow, April onwards. 



28.— EOLIPTA. 



1. E. alba, Hassh. ; Benth. Fl. Hongk. 182. A common weed in 

 Hongkong ; Swatow ; Canton ; West River. Fl. white, 

 June. 



29.— WEDELIA. 



1. W. calendulacea, Less. ; Benth. Fl. Hongk. 182. At the 



racecourse and elsewhere, Hongkong ; at Castle Peak, 

 Hongkong New Territory ; Swatow ; abundant weed on 

 muddy banks, Canton ; Macao ; Lof oushan. Fl. yellow. May. 



2. W. prostrata, Hemsl. ; Wollastonia prostrata. Hook, et Arn. 



Bot. Beech. Voy. 265. Macao; Pakhoi. Fl. yellow, 

 early Summer. 



3. W. urticaefolia, DC. ; Hook. f. Fl. Brit. Ind. iii. 306. Lien- 



chow River. Fl, yellow, August. 



4. W. biflora, DC. ; Wollastonia Uflora, Benth. Fl, Hongk. 183. 



At Repulse Bay, Shaukiwan and Mt. Davis near the sea, 

 Hongkong ; Centre Island, Mirs Bay, Hongkong New 

 Territory ; Macao. Fl, yellow, July. 



30.— SYNEDRELLA. 



1. S. nodiflora, Gaertn. ; DC. Prodr. v. 629. On Bowen Road 

 above Wongneichong and common in waste places, 

 Hongkong. Fl, yellow, December. 



Ray white 

 Ray yellow 



21616 



31.— BIDENS. 

 Key to species. 



1. piUiia. 



2. hipinnata. 



