84 



1. C. ensiformis, iJC.j C. ffladiata, DC. ; Benth. Fl. Hongk.88. 



Little Hongkong and Victoria Peak, Hongkong ; Three 

 Fathoms Cove, Hongkong New Territory ; French Island, 

 Whampoa. Fl. rosy-purple, July. 



2. C. obtusifolia, DC. ; Baker in Hook, f. Fl. Brit. Ind. ii. 196. 



Near Stanley, Hongkong ; Lantao Island, Hongkong 

 New Territory. Fl. purple, September. 



34.— PHASEOLUS. 



Key to species. 



1. Plant hairy, usually densely so ... 1. Mungo. 

 Plant quite or nearly glabrous ... 2. 



2. Leaflets lanceolate 2. minimus. 



Leaflets ovate ... ... ... 3. 



3. Flowers f -inch ; pod oblong 4. lunatus. 



Flowers |-inch ; pod lineal 3. chrysanthus. 



1. P. Mungo, Linn. ; Baker in Hook. f. Fl. Brit. Ind. ii. 203. 



Lienchow River. Fl. yellow, August. 



2. P. minimus, Roxb. ; Benth. Fl. Hongk. 88. Mt. Gough, Hong- 



kong ; Hongkong New Territory without locality ; 

 Lofoushan. Fl. greenish-yellow, August-September. 



3. P. chrysanthus, Savi; DC. Prodr. ii. 395. Lanlao Island and 



Plovers' Cove, Hongkong New Territory ; near Chao- 

 chaufu, Swatow. Fl. yellow, April. 



4. P. lunatus, Linn.; Hook. f. Fl. Brit. Ind. ii. 200. Chao- 



chaufu. Fl. . 



35.— VIGNA. 



1. V. sinensis, Hassk. ; V. Gatiang, Miq. ; Baker in Hook. f. Fl. 

 Brit. Ind. ii. 205. Cultivated in Hongkong and Kwangtung. 

 Fl. white, May. 



36.— PAGHYRHIZUS. 



1. P. angulatus, Rich. ; Baker 1. c. 209. Hongkong ; Hongkong 

 New Territory ; Sanning ; Lienchow River, cultivated. 

 Fl. yellow or reddish, August. 



37.— DOLIGHOS. 



Key to species. 



Flowers in long racemes 1. Lablab. 



Flowers gemminate, axiUary .. . ... 2. Udorus. 



1, D. Lablab, Linn. ; Baker 1. c. 209. Pakhoi ; Macao ; Lienchow 



River. Fl. reddish or white, August. 



2. D. biflorus, Linn. ; Baker 1. c. 210. Canton. Fl. yellow, . 



38.— GAJANUS. 



1. C. indicus, Spreng.; Benth. Fl. Hongk. 89. Mt. Kellet, 

 Hongkong; Maonshan, Hongkong New Territory; hill 

 near Chaochaufu j Waiohow. Fl. yeUow, April. 



