318 
20.—ARUNDINELLA. 
Key to species. 
]. Glume Iv 3-awned Ai ae RA. 2. 
Glume tv 1-awned ss vee we s 
9. Glumes I and r1 3-ner röd l. setosa. 
Glumes 1 and 11. subequal, vith three 
strong and three weak nerves 2. sinensis. 
3. Awn twice the length of the DUST 3. nepalensis. 
Awn scarcely exceeding the spikelet ... 4, anomala 
1, A. setosa, Trin. ; Benth. Fl. Hongk. 416. Aberdeen, Hong- 
kong ; € anton ; Lienchow River. Fi. uly. 
2. A. sinensis, Bendle in Hemsl. Enum. Pl. China, i 342. 
Lofoushan. Fl. 
3. A. nepalensis, Trin. ; Benth. 1. c. 416. Hongkong without 
, locality ;  Imtint ntsai, Hongkong New Territory ; White 
soos hills, Canton ; Lappa i sland, near Macao. FI. 
mber, 
4, A. RA, Steud. Syn. Gram. 116, Canton. Fl. Summer. 
21.—THYSANOLAENA. 
1. E y: gens Nees; T. ii ine Arn. et Nees; Benth. Fl. 
kL o 
Hn 
ommon in dab Hongkong ; foot of 
Pies Mt., Swatow. F l. April 
22.—PEROTIS. 
IA o Ait. ; Hook. f. Fl. Brit. Ind. vii, 98. | Deepwater 
y, Hongkong ; ; Macao; Pakhoi. Fl. July. 
23.—ZOYSIA. 
Key to species. 
Spikelets 1 inch long ans 2 ec 1 ated, 
Spikelets |}, inch long... i ... 2, pungens. 
l. Z. sinica, Ha Z. pungens, Munro ; Benth. Fl. Hongk. 418. 
Hongkong without locality ; Castle Peak, Hongkong New 
Territory ; Pakhoi, Fl. May 
2.2. pungens, Willd. ; Hook. f. FL Brit. Ind. vii. 99. Near 
haochaufu. Fl. May 
24.—IMPERATA. 
p i arundinacea, C H; Hook. f. Fl. Brit. Ind. vii. 106. 
Common in ongkong ; ; Castle Peak and Tin-tso-ngam, 
Hongkong New Territory; hills near Chaochaufu; 
kaisa, Fl. October, 
