. 169 



1. E. micrantha, A.DC ; Benth. Fl. HoDgk. 222. Happy Valley 



woods, Hongkong. Fl. pink, April. 



2. E. rosea, Hook, et Am. ; Benth. 1. c. 222. In ravines of 



Mt. Victoria and Little Hongkong, Hongkong ; liantao 

 Island, Hongkong New Territory ; Macao and neighbour- 

 hood. Fl. pink, May. 



11.— ICHNOCARPUS. 



1. I. ovatifolius, A.DC; Hook. f. Fl. Brit. Ind. iii. 670. At 

 Little Hongkong, Hongkong. Fl. purplish, June. 



12.— ANODENDRON. 



1. A. laeve, Maxim. ; Aganosma laevis. Champ ; Benth. Fl. 

 Hongk. 221. At West Point, Pokfulam, Little Hongkong, 

 and Shaukiwau, Hongkong ; on a hill east of Kowloon 

 City, Hongkong New Territory ; Macao. Fl. yellowish 

 white, March. 



13.— TRAOHELOSPERMUM. 



Key to species. 



Leaves oblong, obtuse at both ends ... 1. Bowringii. 

 Leaves acute at both ends ... ... 2. jasminoides. 



1. T. Bowringii, Hemsl. ; Parechites Bowringii, Hance in Journ. 



But. 1868, 299. Taitam Tuk, Hongkong. Fl. white? 

 September and earlier. 



2. T. jasminoides, Lemaire ; Rhynchospermum jasminoides, Lindl. ; 



Benth. Fl. Hongk. 221. Mt. Gough, Mt. Parker and 

 the Happy Valley, Hongkong ; Taimoshan at 1500 ft., 

 Hongkong New Territory ; Swatow ; Lienchow River ; 

 Lofoushan. Fl. white, April. 



ASCLEPIADACEAE. 



Key to genera. 



1. Filaments free 1. Cryptolepis. 



Filaments connate ... ... 2. 



2. Corolla tube cylindric, over ^ inch long 3. 

 Corolla rotate, campanulate or urceolate 4 



3. Corolla lobes filiform ... 

 Corolla lobes lanceolate 



4. Corolla lobes narrow, linear 

 Corolla lobes ovate 



5. Stem twining ... 

 Stem erect 



6. Leaves thick, fleshy ... 

 Leaves coriaceous or membranous 



7. Corolla small, globular, 1 line diameter 13. Dischidia 

 Corolla rotate, 7-8 lines diameter ... 12. Hoy a. 



14. Ceropegia. 



10. Stephanotis. 



5. 



6. 



2. Toxocarpus. 



7. Pentasacme. 



7. 



