96 



6. 



Fruit prickly ... 

 Fruit smooth 

 Flowers corymbose 

 Flowers solitary or fascicled 

 Leaflets ovate ... 

 Leaflets small, round ... 



6. 

 5. 



3. microcarpa, 



4. indica. 



5. laevigata. 



6. microphylla. 



1. R, moschata, Mill. ; Hook. f. Fl. Brit. Ind. ii. 367. In a 



ravine above Kanghau, Hongkong New Territory ; 

 Whampoa ; Macao ; Lienchow River. Fl. white, April. 



2. R. Luciae, Franch. et Rochehr. ; R. moschata, Benth. Fl. 



Hongk. 106. Hongkong without locahty ; Shalotung, 

 Hongkong New Territory ; Dane's Island, Whampoa, 

 Fl. white, April. 



3. R. microcarpa, Lindl. ; R. amoyensis, Hance in Joum. Bot. 



1868, 297. Hongkong without locality ; Swatow ; in 

 hedges at Chaochaufu ; Lienchow River. Fl. white, April, 



4. R. indica, Linn. ; Hook. f. Fl. Brit. Ind. ii. 364. Kwangtung 



without locality. Fl. red or pink, March to June. 

 -5. R. laevigata, Michx. ; R. sinica, Benth. Fl. Hongk. 106. 

 Black's Link, Hongkong ; Lantao Island, Hongkong New 

 Territory ; Kwangtung without locality ; Swatow. Fl. 

 white, April. 



6. R. microphylla, Roxh. ; Bot. Mag. t. 6548. Kwungtung with- 



out locality. Fl. pale red. May and June. 



7, R. multiflora, Thunh. ; Hook, f . Fl. Brit. Ind. ii. 364. Yit-hai, 



Han River. Fl. pink, April. 



9.— PYRUS. 

 Key to species. 



1, Leaves glabrous 



Leaves woolly below, glabrescent 



2. Leaves sharply serrulate 

 Leaves crenulate 



3, Flowers solitary or fascicled ... 

 Flowers corymbose 



4. Leaves long-stalked 

 Leaves subsessUe 



2. 



3. 

 sinensis. 



4. 

 indica. 

 Aria, 



Calleryana. 

 Decaisneana, 



1. P. sinensis, Lindl. ; Maxim, in Mel. Biol. ix. 168. Near 



Linfati, Hongkong New Territory. Fl. white, April and 

 May. 



2. P. Calleryana, Decne. ; Maxim. 1. c. 169. On the Lienchow 



River. Fl. white, February. 



3. P. indica, Wall. PI. As. Rar. ii. 56. 1. 173. Lienchow River. 



4. P. Aria, Ehrh. ; DC. Prodr. ii. 636. Top of Phoenix Mt., 



hwatow. Fl. white, April. 



5. P. Decaisneana, Dunn, nom. no v. Aria Decaisneana, Lav. Arb. 



begr t. 18. Slopes of Phoenix Mt., Swatow. Fl. white, 

 April, 



