282 

 PHILYDEACEAE. 



1.— PHILYDRUM. 



1. P. lanuginosum, Banks ; Benth. Fl. Hongk. 380. In marshes 

 at Chaiwan, Happy Valley, Victoria Peak and elsewhere, 

 Hongkong ; Lantao Island, Hongkong New Territory ; 

 Canton ; Pakhoi. Fl. yellow, June. 



XYRIDACEAE. 



1.— XYRIS. 



Key to species. 



1. Leaves ^-^ inch broad ... ... 2. 



Leaves not more than ^ inch broad ... 3. 



2. Leaves |— §^ inch Broad; heads spherical \. indica. 

 Leaves ^ inch broad; heads ovoid ... 2. aiiceps. 



3. Leaves ^ inch broad; keel of bracteoles 



not toothed... ... ... ... 3. ■pauciflora. 



Leaves ^- inch broad; keel of bracteoles 



toothed ... ... ... ... 4. hancana. 



1. X. indiea, Linn. ; Hook. f. Fl. Brit. Ind. vi. 364. In a swamp 



near Fanling, Hongkong New Territory. Fl. yellow, 

 October. 



2. X. anceps, Lam. : Hook. 1. c. 364. Kwaisin, Hoifung. Fl. 



yellow, September. 

 5. X. pauciflora, F/illd. ; Benth. Fl. Hongk. '?>~d. Sheko, and 

 Happy Valley, Hongkong ; near Fanling, Sheungshui 

 and Taipo Road, Hongkong New Territory ; Pakhoi. 

 Fl. yellow, October. 



4. X. bancana, J//y. ; X schoenoides, Benth. 1. c. 379. Hongkong 



without locality ; Tailamchung, Hongkong New Territory. 

 Fl. yellow, July. 



COMMELINACEAE. 



