321 
32.—-ARTHRAXON. 
l. A. ciliaris, Beauv. ; Hook. f. Fl. Brit. Ind. vii. 145. Victoria 
Peak and Mt. Gough, Hongkong ; Castle Peak, ongko 
New Territory ; hills near Chaochaufu ; Canton ; Whampo 
Fl. April —September. 
83.—ROTTBOELLIA. 
Key to species. 
bo 
1. Back of sessile spikelet COPADIGEORME 
tessellated . l. molhcoma. 
ack of sessile spikelet not con- 
spicuously tessellated 2. 
. Spikes: es insane ; slender plant with 
glabrous leav 2. compressa. 
Spikes iiis large coarse plant 
with usually hairy leaves . .. 3, exaltata. 
me 
. R. mollicoma, Hance in Journ. Bot. 1871, 134. Whampoa ; 
ofoushan. FI. Pax S UMS 
Linn. f,; Hook. f. FI. Brit. Ind. vi. 153. 
Aberdeen, Hongkong ; vei FI. July. 
. R. exaltata, Linn. f.; Hook. f. l. e. 156. Little Hongkong 
and Aberdeen, Hongkong ; Lantao Island, Hongkong New 
Territory; Whampoa; Macao; Lienchow River. Fl. August. 
bo 
Er 
Q 
[- 
E E 
"a 
e 
o 
34.—OPHIURUS. 
. O. monostachyus, J. S. Presl ; Benth. Fl. Hongk. 417. Hong- 
kong without locality. Fl. October. 
Com 
35.—MANISURIS. 
. M. granularis, Zinn.; Hack. in DC. oce Phan. vi. 314. 
Whampoa ; Lienchow Biror. Fl. Aug 
— 
36.—EREMOCHLOA. 
Key to species. 
Outer Ce not winged, dis with 
l. leersioides. 
Outer M aut winged at top 2. ophiuroides. 
. E. leersioides, Hack.; lschaemum leersioides, Munro ; Benth. 
Fl. Hongk. 425. ” Aberdeen, Hongkong ; Kowloon catch- 
water,Castle Peakand Kuntong, Hongkong New Territory ; 
Canton; Whampoa ; "E Cock's Island near Macao ; 
West River. FI. Geo 
2. E. ophiuroides, Hack. ; Ischaemum ophiuroides, Munro ; Benth, 
le, 425, Cape d'Aguilar, Hongkong; Whampoa. FI: ` August. 
X 
v 
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