•316 



16. P. brevifolium, Linn. ; P. ovalifoUum, Poir. ; Benth. 1. c. 413. 

 Little Hongkong woods, Hongkong ; near Canton ; 

 Whampoa. Fl. (September. 



7.-ICHNANTHUS. 



1. I. pallens, Muuro in Benth. Fl. Hongk. 414. Prostrate in 

 damp shady woods, Little Hongkong woods, Hongkong ; 

 Canton. Fl. . 



8.— OPLISMENUS. 



1. 0. Gompositus, Beauv. ; Panicum compositum, Linn. ; Benth. 1. c. 

 411. Causeway Bay, Mt. Gough and Aberdeen, Hong- 

 kong ; Canton. Fl, September. 



9.— SET ARIA. 

 Key to species. 



1. Panicle 1-2 feet long ... 

 Panicle 1-6 inches long 



2. Panicle lobed, drooping 

 Panicle cylindric 



3. Grlume smooth ... 

 Glume rugose ... 



1. mauritiana. 



2. 



2. italicae. 



3. 



3. viridis. 



4. glauca. 



1. S. mauritiana, Spreng. ; Panicum plicatiim. Lam. ; Benth. Fl. 



Hongk. 411. On shady banks above the Botanic Gardens, 

 Hongkong ; Canton. Fl. September, 



2. S. italica, Beauv. ; Hook. f. Fl. Brit. Ind. vii. 78. Cultivated 



in Hongkong and the New Territory. Fl. July, 



3. S. viridis, Beauv. ; Hook. f. 1. c. 80. Canton ; Lofoushan. 



Fl. August. 



4. S. glauca, Beauv. ; Panicum glaucum, Linn. ; Benth. Fl. Hongk. 



411. Hongkong without locality ; Castle Peak, Hongkong 

 New Territory ; Canton ; Whampoa ; Macao ; Lienchow. 

 Fl. August. 



1. P. 



10.— PENNISETUM. 



compressum, R. Br. ; Gymnothrix japonica, Kunth ; Benth. 

 Fl. Hongk. 413, Magazine Gap and Aberdeen, Hong- 

 kong ; Taipo and near Lowu, Hongkong New Territory ; 

 Canton ; Whampoa ; Danes' Island ; Macao ; Pakhoi, 

 Fl, October. 



1 1.— OHAMAERAPHIS. 



1. C. spinescens, Po2>. ; var. Brunoniana, Hook. f. Fl. Brit. Ind. 

 vii. 62. In rather deep ponds arotmd Canton. Fl. April. 



