60 



7. I. myriadenia, Hance in Journ. Bot., 1883, 296. On a hill by 



the Lienchow Kiver near Maposhui. ¥\. . 



8. I. Oldhami, Mw. in Ann. Mus. Bot. Lugd. Bat. iii. 105. 



Lienchow KiTer. Fl. dark purple, May. 



9. I. memecylifolia, Champ. ; Benth. Fl. Hongk. 65. Happy 



Valley woods, North I'oint, Victoria Peak and elsewhere, 

 Hongkong ; on hill near Kowloon reservoir and Lantao 

 Island, Hongkong New Territory. Fl. white, April. 



10. I. graciliflora, Champ. ; Benth. 1. c. 65. Common iu the 



Happy Valley woods, on the south side of Mt. Nicholson, 

 Hongkong. Fl. white, AprU. 



11. I. macrocarpa, Oliver in Hook. Ic. PI. t. 1787. Lienchow 

 Fl. white. 



Eiver, 

 12. I. asprella, Champ. ; Benth. Fl. Hongk. 65. Common in 

 Hongkong ; Lantao Island, Hongkong New Territory ; 

 Swatow ; Whampoa. Fl. white, AprU. 



CELASTEACEAE. 



Key to genera. 



1. Leaves opposite 

 Leaves alternate 



2. Stamens 3 

 Stamens 4 or 5 ... 



3. Flowers in axillary clusters or small 



cymes 

 Flowers in loose axiUary cymes 



4. Petals united below 



Petals free 



1.— EUONYMUS. 

 Key to species. 



1. Flowers tetramerous ... 



Flowers pentamerous 



2. Capsule pricldy 



Capsule angled or terete, not prickly 



3. Capsule lobed ... 



Capsule subglobose, stem rooting 



4. Lobes of capsule acute 



Lobes of capsule rounded 



5. Cymes not much longer than petioles 

 Cymes nearly as long as leaves 



6. Petals fringed ... 

 Petals entire 



Celastrus. 

 Hippocratea. 

 3, 



1. Euonymus. 



2. Microtropis. 

 4. Elaeodendron. 



2. 

 5. 



1. angustatus. 



3. 

 4. 



2. hederaceus, 



3. chinensis. 



4. japonicus. 



5. hngifolius, 



6. 



6. gibber. 



7. laxiflorus. 



1. E. anpstatus, Sprague in Kew Bull. 1908, 33 and 35. Taimo 



shan and Lantao Island, Hongkong New Territory. Fl. 

 cream-coloured, February. 



2. E. hederaceus, Champ. ; Benth. Fl, Hongk. 63. Victoria Peak 



at 1700 ft., covering the ground in Little Hongkong 

 woods, Fl, greenish-white, May. 



