110 



2.— JUSSIAEA. 



Key to species. 



Petals 4, yellow 

 Petals 5, white .. 



1. suffruticosa. 



2. repens. 



1. J. sufiruticosa, Linn. ; J. villosa, Lam. ; Benth. Fl. Hongk. 109. 



Without locality Hongkong ; Swatow ; Macao ; North 

 Kiver. Fl. yellow, August. 



2. J. repens, Linn. ; Clarko in Hook. f. Fl. Brit. Ind. ii. 587. 



At Kennedy town, Hongkong ; banks of pond near 

 Chaochaufu ; Whampoa ; Macao ; West River. Fl. 

 white, September. 



Flowers fascicled 

 Flowers racemed 



Leaves rhomboid 

 Leaves oblong ... 



SAMYDACEAE. 

 Key to genera. 



.—CASE ARIA. 

 Key to species. 



1. Casearia. 



2. Homalium. 



1. subrhombea. 



2. glomerata. 



1. C. subrhombea, Hance in Journ. Bot. 1885, 323. At Shuikwan 



on the North Eiver. Fl. yellowish, August. 



2. C. glomerata, Roxb. ; Benth. Fl. Hongk. 122. Near the 



Buddhist Temple, Causeway Bay and on Mt. Parker, 

 Hongkong ; in gardens near Chaochaufu, Swatow. Fl. 

 yellowish, December. 



2.— HOMALIUM. 



1. H. fagifolium, Benth. Fl. Hongk. 122. In the Happy Valley 

 woods and common in Hongkong ; Lantao Island and 

 Kanghau, Hongkong New Territory ; Hoifung ; Tingushan 

 on the West River. Fl. white, April and October. 



PASSIFLORACEAE. 



l.-PASSIFLORA. 



Key to species. 



Leaves narrow, linear, glabrous 

 Leaves 3-lobed, ovate, hirsute 



1. lingulifolia. 



2. foetida. 



1. P. lingulifolia, Masters ; P. hainanensis, Hance in Journ. Bot. 



1878, 227. Soongkong Island, Canton River; Pakhoi. 

 Fl. white, March. 



2. P. foetida, Linn. ; Benth. Fl. Hongk. 123. On the edge of 



the Happy Valley woods, Hongkong ; Lantao Island and 

 CheuQgshawan, Hongkong New Territory. Fl. purpHsh- 

 wmte, September. 



