258 



BUEMANNIACEAE. 



1.— BURMANNIA. 



1. B, 



Wallichii, Hook. f. 



2. B, 



3. B. 



Gonyanthes Wallichii, Miers ; Benth. 



Fl. Hongk. 364. Mt. Gough, and in a swamp at Taitam 



Tuk, Hongkong ; Hoifung. Fl. blue, September — 



November, 

 nepalensis, Hook.f. Fl. Brit. Ind. v. t)66. Lofoushan. Fl. 



white, August, 

 distieha, Linn. ; Hook. f. 1. c. 664. Hongkong without 



locality; Kwaisin, HoLfung; Szetseshan, Sanning ; 



Shuihing Pass on the West River. Fl. blue. May — August. 



4. B. coelestis, D. Don ; Hook. f. 1. c. 665. Near Sheungshui, 



Hongkong New Territory ; foot of the White Cloud hiUs, 

 Canton ; Lienchow River ; Shuikwan (Shaochaufu) River. 

 Fl. blue, October — December. 



5. B. Dalzieli, Rendle in Journ. Bot. 1902, 311. Near Canton. 



Fl. pink-brown, July. 



OECHIDACEAE. 



Key to genera. 



1. Inflorescence at the apex of the young 



growth 

 Inflorescence not at the apex of the 

 young growth 



2. Plant with evergreen stems or leaves, 



or both 

 Plant with deciduous stems or 



3. Plant with distinct false bulbs 

 Plant without false bulbs 



4. Inflorescence erect 

 Inflorescence drooping ... 



5. Petals 7 lines long 

 Petals less than 7 lines long 



6. Column elongated, lip entire 

 Column short, lip 3-lobed 



7. Sepals 10 lines long or more 

 Sepals 6 lines long or less 



8. Stems erect or none 

 Stems creeping ... 



24. 



