320 



4. Glume II conspicuously awned in sessile 



spikelet ... ... ... ... 4. articulata. 



Glume II not or very shortly awned in 



sessile spikelet 5. 



5. Basal sheaths naked or hirsute, not 



woolly -,.. ... ... ... 6. 



Basal sheaths woolly ... ... ... 5. speciosa. 



6. Joints of inflorescence subclavate ... Q. grata. 

 Joints of inflorescence slender. . . ... 7. quadrinervis. 



1. P. ciliata, Trin. ; P. tenuis, Benth. Fl. Hongk. 421. Common 



about Victoria, Hongkong ; Whampoa. Fl. October, 

 November. 



2. P. cantonensis, Rendle in Hemsl. Enum. PI. China, iii. 354. 



Canton. Fl. October to January. 



3. P. imberbis, Nees ; Hook. f. Fl. Brit. Ind. vii. 117. In damp 



places around Canton. Fl. October to January. 



4. P. articulata, Trin. ; Hook. f. 1. c. 109. Canton ; Whampoa. 



Fl. September to October. 



5. P. speciosa, Hack. ; Hook. f. 1. c. 113. Mt. Kellet, Hongkong ; 



White Cloud hills. Canton. Fl. September. 



6. P. grata, Hack, in DC. Monogr. Phan. vi. 174. Canton. 



Fl. . 



7. P. quadrinervis, Hack. ; P. villosa, Munrb in Benth. Fl. Hongk. 



420. Mt. Victoria, Hongkong ; Macao. Fl. late Summer 



39.— POGON'ATHERUM. 



1. P. saccharoideum, Beauv. ; Hook. f. Fl. Brit. Ind. vii. 141. 

 Aberdeen and Mt. Victoria, Hongkong ; Castle Peak 

 and Kuntong, Hongkong New Territory ; hills near 

 Chaochaufu ; Canton ; Macao. Fl. April^ — September. 



30.— APOCOPIS. 



1. A. Wightii, Nees ; A. Wmghtii, Munro in Benth. Fl. Hongk. 



421. Hongkong without locality ; Cumsingmoon (Capsui- 

 mun), Hongkong New Territory ; Whampoa ; Canton ; 

 Lofoushan. Fl. September. 



31.— DIMERIA. 



Key to species. 



Spikes 2 or 3 together 1. falcata. 



Spikes solitary ... ... ... ... 2. sinensis. 



1. D. falcata, Hack. ; D. fuscescens, Munro in Benth. Fl. Hongk, 



419. Mt. Victoria, Hongkong ; Kuntong, Hongkong 

 New Territory ; near Canton. Fl. September. 



2. D. sinensis, Rendle in Hemsl. Enum, PI, China, iii, 359, 



Canton, Fl, , 



