154 



4. 



1. p, 



2. P, 



ovalifolia, D. Don ; Clarke in Hook. f. Fl. Brit. Ind. ii 

 460. On top of the White Cloud hills, Canton ; Nortl 

 River. Fl. white, April. 



Swinhoei, Hemsl. Enum. PI. China, ii. 17. Swatow Disti 

 Fl. cream-coloured, April. 



a.— ENKIANTHUS. 



1. E. quinqueflorus. Lour. ; Benth. Fl. Hongk. 200. Abundan 

 on the hills, Hongkong ; top of the Phoenix Mt. am 



near Chaochaufu. Fl. pink, February. 



3.— RHODODENDRON. 



Key to species. 



1. Leaves glabrous 

 Leaves hirsute or scaly 



2. Leaves white beneath with reticulate 



markings 

 Leaves green on both sides 



3. Leaves acute 

 Leaves very obtuse 



4. Leaves acute at base ... 

 Leaves obtuse at base ... 



5. Pedicels hairy ... 

 Pedicels glabrous 



6. Leaves obtuse at apex ... 

 Leaves acute 



7. Leaves more than 4 inches long 

 Leaves less than 2 inches long 



8. CoroUa tube cylindric, narrow 

 CoroUa funnel-shaped ... 



9. Adult leaves glabrous beneath 

 Adult leaves hairy beneath 



2. 



7. 



3. 

 4. 



1. Farrerae. 



2. Fordii. 

 5. 



3. ovatum. 



4. Westlandii. 

 6. 



5. Simiarum. 



6. Henryi. 



7. Championae. 

 8. 



8. Mariae. 

 9. 



1. Farrera£. 



9. indicum. 



