34 



3. Pods short, globular, oblong or 



obcordate ... ... ... ^• 



Pods linear ... ... ... 8. 



4. Pods jointed 8. Raphanus. 



Pods continuous 3. Brassica. 



5. Pods obcordate 5. Capsella. 



Pods globular, didymous or oblong 6. 



6. Pods didymous 6. Senebiera. 



Pods not didymous ... ... 7. 



7. Pods round, compressed 7. Lepidinm. 



Pods globular or oblong 1. Nasturtium. 



8. Seeds in 2 rows 1. Nasturtium. 



Seeds in 1 row 2. Cardamine. 



1.— NASTURTIUM. 



Key to species. 



1. Pod globose or oblong 

 Pod linear ... 



2, Pod globose 

 Pod oblong 



2. 



1. montanum. 



2. globosum. 



3. microspermum. 



1. N. montanum. Wall. ; Benth. Fl. Hongk. 16. A common 



weed in Hongkong ; Swatow ; Sanning. Fl. yellow, 

 April. 



2. N. globosum, Turcz. ; N. cantoniense, Hance in Journ. Bot 



1865, 378. Banks of the West River. Fl. yellow, June. 



3. N. microspermum, DC. Prodr. i. 139. In cultivated fields, 



Hongkong ; Hahang, Hongkong New Territory ; near 

 Chaochaufu ; Whampoa ; Sinchung near Canton. Fl. 

 white, April. 



3.— OARDAMINE. 



Key to species. 



1. Leavessimple 

 Leaves compound.. 



2. Leaves trifoliolate 

 Leaflets 5 or more 



1. Lamontii. 



2. 



2. paradoxa. 



3. hirsuta. 



1. 0. Lamontii, Hance in Journ. Bot. 1876, 363. In Little Hong- 



kong woods. Fl. white, September. 



2. C. paradoxa, Hance, 1. c. 1868, 111. West River near the 



Cockscomb Rocks. Fl. white, May. 



3. 0. hirsuta, Linn.; Benth. Fl. Hongk. 16. In cultivated 



ground, Hongkong ; Chaochaufu. Fl. white. Spring. 



3.— BRASSICA. 



1. B. chinensis, Linn. ; DC. Prodr. i. 215. Hahang, Hongkong 

 New Territory. Fl. white or yellow, Winter. 



