63 



1. Z. Jtguba, Lam. 



New Territory ; 

 October. 



3.— ZIZYPHUS. 

 DC. Prodr. ii. 21. Taishulhang, Hongkong 



West River ; Teinpak. Fl. yellow, 



4.— MIORORHAMNUS. 



1. M. franguloides, Maxim, in Mel. Biol. xii. 431. 

 Fl. yellowish-green, . 



5.-BER0HEMIA. 



Kwangtung ? 



2. 



1. sessilijlora. 



2. racemosa. 



3. lineata. 

 Hongkong without 



c. 67. Common in 



Key to species. ■ 



Flowers pedicellate ; leaf veins numerous 

 Flowers axillary, sessile ; veins few ... 

 Leaves 1-1-^ inches ; flowers in terminal 



panicles 



Leaves less than \ inch ; flowers mostly 



axillary 



B. sessiliflora, Benth. Fl. Hongk. 68. 



locality. Fl. . 



B. racemosa, Sieh. et Zucc. ; Benth. 1. 



Hongkong ; Lantao Island and Taimoshan, Hongkong 



New Territory ; Swatow ; Lanfa Mt., Hoifung. Fl. 



yellow, September. 

 B. lineata, DC. ; Benth. 1. c. Hongkong without locality ; 



common in hedges in Hongkong New Territory ; Whampoa; 



Pakhoi ; Lofoushan. Fl. cream-coloured, October. 



6.— RHAMNUS. 



Key to species. 



Fascicles of flowers in simple or com- 

 pound racemes ; petals 5 ... ... 1. nipalensis. 



Fascicles of flowers axillary ... ... 2. 



Pedicels subumbellate ... ... ... 5. 



Pedicels axillary ... ... ... 3. 



3. Plant nearly glabrous ... ... ... 4. 



Leaves white tdmentose beneath ... 2. rngulosus. 



4. Leaves coriaceous, oblong, shortly 



acuminate ... ... ... ... 3. davuricus. 



Leaves thin, strongly acuminate at apex 



and base ; pedicels slender ... 4. virgatus. 



5. Lateral leaf-veins running close under 



margin and then without break 



into the next arch... ... ... 5. crenatus. 



Lateral leaf-veins otherwise Microrhamnus 



franguloides. 



1. R. nipalensis, Wall. ; Lawson in Hook. f. Fl. Brit. Ind. i. 640. 



Lienchow River. Fl. green, August. 



2. R. rugulosus, Hemsl. in Enum. PI. China i. 129. Lienchow 



River. Fl. , May. 



2. 



