282 
PHILYDRACEAE. 
1.—PHILYDRUM. 
EP lanuginosum, Banks ; Benth. Fl. Hongk. 380. In marshes 
aiwan, Happy Valley, Victoria Peak and Yeni 
Hon ngkong ; Lantao Island, ee New Territory ; 
Canton; Pakhoi. Fl. yellow, June 
XYRIDACEAE. 
1.—XYRIS. 
Key to species. 
l. Leaves i-i inch yea A 2. 
. indica. 
. anceps. 
E 
e 
E 
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ul 
oh 
m 
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[n] 
B 
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3. Leaves à inch broad; keel of baseo 
not to othed.. 3. pauciflora. 
Leaves +}, inch broad: kel of bracteoles 
toothed 4. bancana. 
Lh X s Linn. ; RE f. Fl. Brit. Ind. vi. 364. In a swamp 
r Fan nling, Hongkong New Territory. Fl. yellow, 
ober. 
2. X. anceps, Lam.; Hook. l. c. 364. Kwaisin, Hoifung. FI. 
yellow, Septem ber 
5. X. pauciflora, Willd. ; “Benth. Fl. Hongk. 379. Sheko, and 
Happy Valle ey, Hongkong ; near Fa anling, Sheungshui 
and Taipo Road, Hongkong New Territory ; Pakhoi. 
Fl. yellow, Octobe 
4. X. bancana, Mig. ; X s sodium: Benth. l. e. 379. Hongkong 
without locality ; ; Tailamchung, Hongkong New Ter ritory, 
FI. yellow, July. 
COMMELINACEAE. 
Key to genera. 
l. Fruit indehiscent v n. 5 26, Pollia. 
Fruit dehiscent 2. 
2. Three perfect stamens, 13 amagi 3. 
Stamens 6, perfect 4. 
3. Cymes solitary, included in a spathe .. 2. = 
Cymes panicled, naked - L Aneilem 
4, Stems vi as 7. Sv eaeatieied: 
Stems not twining =e : ae 5, 
5. Inflorescence terminal ... ict e. 4. Floscopa, 
Inflorescence axillary ... is dis 6. 
6. Leaves 14 inches broad ne «+» 5, Forrestia. 
Leaves under 1 inch broad  ... e. 3. Cyanotis, 
