89 



6. C. Sappan, Linn. ; Baker in Hook. f. Fl. Brit. Ind. ii. 255. 



Kowloon opposite Hongkong. Fl. yellow, May. 



7. 0. sepiaria, Roxb. ; Baker 1. c. ii. 256. Castle Peak, Hong- 



kong New Territory ; Lienchow River. Fl, yellow, AprU. 



53.— PTEROLOBIUM. 



P. subvestitum, Hance in Journ. Bot. 

 Eiver; North Kiver ; Lofoushan. 



1884, 365. Lienchow 

 Fl. white, August. 



53.— GLEDITSOHIA. 



Key to species. 



Seeds nearly quadrate, flat 

 Seeds oval 



1. macrantha, 



2. australis. 



1. G. macrantha, Desf. ; Hemsl. Enum. PI. China, i. 209. Lantao 



Island, Hongkong New Territory. Fl. whitish, . 



2. &. australis, Hemsl. 1. c. 208. Happy Valley woods, Hongkong; 



near Canton. Fl. greenish. May. 



54.— CASSIA. 



Key to species. 



1. Sepals obtuse 2. 



Sepals acute ... ... ... ... 1. mimosoides. 



2. Leaflets obtuse ... ... ... ■•. 3. 



Leaflets acute ... ... ... ... 4. 



3. Leaflets 2-3 pairs ... ... ... 2. Tor a. 



Leaflets 7-8 pairs ... ... ... 3. glauca. 



4. Leaflets 3-5 pairs, lanceolate ... ... 4. occidentalis. 



Leaflets 6-12 pairs, oblong-lanceolate 5. Sophera. 



1. C. mimosoides, Linn, ; Benth. Fl. Hongk. 98. Victoria Peak, 



Mt. Kellet and other localities, Hongkong ; Taimoshan, 

 Hongkong New Territory ; Hoifung. Fl. yellow, 

 August. 



2. C. Tora, Linn. ; Benth. 1. c. 98. On Robinson Road and 



waste places, Hongkong ; Castle Peak, Hongkong New 

 Territory ; hill near Chaochaufu ; Lofoushan. Fl. 

 yeUow, October. 



3. C. glauca, Lam. ; DC. Prodr. ii. 495. On Robinson Road 



and at Stanley, Hongkong ; commonly cultivated. Fl. 

 yeUow, August. 



4. C. occidentalis, Linn. ; Benth. Fl. Hongk. 98. Common in 



waste places, Hongkong ; Kuntong, Hongkong New 

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

 September. 



5. C. Sophera, Linn. ; DC. Prod. ii. 492. Lantao Island, Hong- 



kong New Territory^ Fl. yeUow, May. 



