262 



2. Flowers long-pedicelled ... ... 2. radiatum. 



Flowers very short-pediceUed... ... 3. odoratissimum. 



1. B. Watsonianum, ^ezcM. /. ; Eria ambrosia, Hance in Journ. 



Bot. 1883, 232. Not uncommon on rocks, Victoria Peak, 

 Hongkong ; Lantao Island, Hongkong New Territory ; 

 slopes of the Phoenix Mt., Swatow. Fl. white with 

 purple veins, March. 



2. B. radiatum, Lindl. ; Benth. Fl. Hongk. 353. Victoria Peak, 



Hongkong ; Lantao Island, Hongkong New Territory. 

 Fl. white, June. 



3. B. odoratissinum, Lindl. ; Hook. f. Fl. Brit. Ind. v. 758. 



Taimoshan, Hongkong New Territory. Fl. yeUowish- 

 white. May. 



5— OIRRHOPETALUM, 



Key to species. 



1. Leaves 1-1^ inches long ... ... 1 



Leaves 3-6 inches long 



2. Lateral sepals 2 inches long ... ... 2 



Lateral sepals ^-1 inch long ... 



3. Lateral sepals \ inch long ; leaves 5-6 



inches long ... 

 Lateral sepals 1 inch long; leaves 

 3 inches long 



1. G. 



1. tigvidum. 

 2. 



2. delitescens. 

 3. 



3. Fordii. 



4. bicolor. 



2. C. 



tigridum. Rolfe ; Bulbophyllum tigridum, Hance in Journ. 



Bot. 1883, 232. Taimoshan on granite rocks at 2800 ft., 



Hongkong New Territory ; Lofoushan at 3000 ft. Fl. 



purplish yeUow, August — December, 

 delitescens, Rolfe in Gard. Chron. 1882, ii. 461. Victoria 



Peak, and on hUls above Repulse Bay, Hongkong ; 



Taimoshan at 1500 ft., Hongkong New Territory. Fl. 



yellow and purple, August. 



3. C. Fordii, Rolfe in Kew Bull. 1896, 193. Lienchow River ; 



North River. Fl. yellowish purple, August. 



4. C. bicolor, Rolfe ; Bulbophyllum bicolor, Lindl. Gen. et Sp. 



Orch. 49.. Hongkong without locality ; Taimoshan, 

 Hongkong New Territory. Fl. purple and yellow. May. 



6.— ERIA. 



Key to species. 



Plant minute ; peduncles 3-5 lines long 



Plant not minute 



Scape from side of pseudobulb or 



terminal 

 Scape from base of pseudobulb 

 Inflorescence out of side of pseudobulb 

 Inflorescence terminal 



1. sinica. 



2. 



3. 



3. flava. 



2. Corneri. 



4. rosea 



