80 



17.— PYGNOSPORA. 



1. P. hedysaroides, R. Br. ; Benth. Fl. Hongk. 91. Hillsides 

 Pokfulam, Hongkong. Fl. , August. 



18.— URARIA. 

 Key to species. 



1. Leaves pinnate ... ... ... 2. 



Leaves 1-3-foliate 1. lagopoides. 



2. Leaflets linear 2. picta. 



Leaflets ovate 3. crinita. 



1. TI. lagopoides, DC. ; Baker in Hook. f. Fl. Brit. Ind. ii. 156. 



Lantao Island, Hongkong New Territory ; in waste 



grassy places, Canton ; Lienchow River. Fl. , 



August — October. 



2. U. picta, Desv. ; Baker 1. c. 155. Capsuimun, Hongkong 



New Territory. Fl. purple, July. 



3. U. erinita, Besv. ; Benth. Fl. Hongk. 81. Mt. Victoria and 



Mt. Gough, Hongkong ; Lantao Island and Kanghau, 

 Hongkong New Territory ; Lofoushan. Fl. mauve, June. 



19.— LOUREA. 



Key to species. 



Terminal leaflet truncate, broader 



than long ... ... ... ... 1. ohcordata. 



Terminal leaflet ovate ... ... ... 2. campanulata. 



1. L. obcordata, Desv. ; Benth. Fl. Hongk. 82. Hongkong 



without locality ; ramparts of Canton. Fl. blue, June — 

 September. 



2. L. campanulata, Benth. ; Hook. f. Fl. Brit. Ind. ii. 155, 



Lofoushan. Fl. , August. 



20.— ALYSIGARPU S. 



Key to species. 



1. Calyx a little shorter than first joint 



of pod ... ... ... ... 1. vaginalis. 



Calyx much longer than first joint 



of pod ... 2. 



2. Joints of pod transversely ribbed ... 2. rugosus. 

 Joints of pod smooth 3. bupleur if alius. 



1. A. vaginalis, DC. ; Benth. Fl. Hongk. 80. On Chaiwan beach, 



Hongkong ; Canton ; Banning ; Pakhoi. Fl. blue, 

 September. 



2. A. rugosus, DC; Baker in Hook. f. Fl. Brit. Ind. ii. 159. 



Kwangtung ? Fl. yellow, . 



3. A. bupleurifolius, DC.; Benth. Fl. Hongk. 81. Hongkong 



without locality; Hongkong New Territory without 

 locaKty ; Canton. Fl. purple, September, 



