319 



35.— MISOANTHUS. 



Key to species. 



Panicle branches fa stigiate 



Panicle branches radiating, semiver- 

 ticillate 



1. sinensis. 



2. japonicus. 



1. M. sinensis, Anderss. ; Hack, in DC. Monogr. Phan. vi. 105. 



Common in Hongkong on the hills ; hill near Chaochaufu ; 

 Canton ; Macao. Fl. October. 



2. M. japonicus, Anderss. ; Hack. 1. c. 107. Hongkong without 



locality ; Whampoa. Fl. January — June. 



26.— SAOOHARUM. 



Key to species. 



Stem silky below panicle 



Stem glabrous ... 



Hairs on callus many times longer than 



spikelet 

 Hairs shorter or not much longer than 



spikelet 

 Callus hairs much longer than spikelet 

 Callus hairs shorter than spikelet 



2. 

 .3. 



1. spontaneum. 



2. Narenga. 



3. oficinarum. 



4. arundinaceum. 



1. S. spontaneum, Linn. ; Hook. f. Fl.Brit. Ind. vii. 118. Near San- 



wai, Hongkong New Territory ; Canton. Fl. September, 



2. S. Narenga, Ham. ; Hook. £. 1. c. 120. Canton ; Lienchow 

 . River. Fl. October. 



3. S. oflOicinarum, Linn. ; Benth. Fl. Hongk. 419. Cultivated in 



Hongkong, Hongkong New Territory, and Kwangtung. 

 Fl. . 



4. S. arundinaceum. Rets. ; Hook. f. 1. c. 119. Frequent in 



ravines, Hongkong ; Whampoa ; Pakhoi. Fl. . 



27.— SPODIOPOGON. 



1. S. sibiricus, Trin. ; Hack, in DC. Monogr. Phan. vi. 183. 

 Lienchow Eiver. Fl. August. 



28.— POLLINIA. 



Key to species. 



1. Leaves conspicuously contracted into 



petiole 



Leaves not conspicuously contracted 

 into petiole 



2. Anthers very long 

 Anthers g^ inch long or less 



3. Spike |- inch long 

 Spike i inch long ... .., 



1. ciliata, 



3. 



2. cantonensis. 



3. imberbis. 



