35 



4— ERUOA. 



E. sativa, Lam. ; DC. Prodr. i. 223. Kowloon, Hongkong. 

 Fl. wliite or yellow. 



5.— GAPSELLA. 



1. C. Bursa-pastoris, Moenc/i ; Benth. Fl. Hongk. 16. A common 

 weed in Hongkong ; Chaochaufu. Fl. white, Winter and 

 Spring. 



6.— SENEBIERA. 



1. S. pinnatifida, Z) C. Prodr. i. 203. In waste places in Hongkong 

 and Kowloon ; Swatow. Fl. white, March. 



7.— LEPIDIUM. 



1. L. ruderale, Linn. ; DC. Prodr. i. 205. Hongkong ? Fl. 

 white, May. 



8.— RAPHANUS. 



1. R. Raphanistrum, Linn.; DC. Prodr. i. 229. Fields near 

 Swatow. Fl. white, April. 



CAPPARIDACEAE. 



Key to genera. 



1. Leaves compound ... ... ... 2. 



Leaves simple ... ... ... ... 2. Capparis. 



2. Leaves quinate ... ... ... 1. Polanisia. 



Leaves ternate ... ... ... ... 3. Crataeva. 



1.— POLANISIA. 



1. P. viscosa, DC. Prodr. i. 242. In waste places in Hongkong ; 

 Ngauchiwan and Kowloon City, Hongkong New Territory. 

 Fl. yellow, June. 



2.— CAPPARIS. 



Key to species. 



1. Flowers solitary axillary 2. 



Flowers panicled or iimbelled 3. 



2. Sepals glabrous ... ... ... 1. membranacea. 



Sepals tomentose ... ... ... 2. Swinhoii. 



3. Flowers panicled ... ... ... 3. pumila. 



Flowers umbelled ... ... ... 4. sepiaria. 



1. C. membranacea, Gard. et Champ, ; Benth. Fl. Hongk. 18. 

 Happy Valley woods, behind the Buddhist Temple Cause- 

 way Bay and on Mt. Victoria, Hongkong ; Whampoa. 

 Fl. white, April. 



21516 C 2 



