51 



6. 



Fruit drupaceous 



Fruit dry eohinate ... 

 Capsule spiny ... 

 Capsule unarmed 



Sepals imbricate 



Sepals valvate ... 

 Flowers racemose 

 Flowers umbellate or paniculate 



6. 



2. Triumfetta, 

 5. 

 2. 



5. Sloanea. 



6. Echhwcarpus. 



7. Elaeocarpus. 

 1. Orewia. 



1.— GREWIA. 



Key to species. 



1. Leaves glabrous or thinly hairy beneath 2. 

 Leaves velvety or tomentose beneath 3. 



2. Flowers in terminal panicles ; leaves 



glabrous ... ... ... ... 1. Mierocos, 



Flowers nearly all axillary 2. glabrescens. 



3. Leaves suborbicular, 5-7-nerved ... 3. asiatica. 

 Leaves ovate, 3-nerved ... ... 4. 



4. Stamens less than 20 ... ... ... 4. polygama. 



Stamens more than 40 ... ... 5. 



5. Leaves hispid above 5. parvtflora. 



Leaves glabrous or with few stellate 



hairs above... ... ... ... 6. hirsuta. 



1. G. Mierocos, Linn. ; Benth. Fl. Hongk. 42. Shaukiwan, Cape 



d'Aguilar and Stonecutters' Island, Hongkong ; Lantao 

 Island, Hongkong New Territory. Fl. yellow, June. 



2. G. glabreseens, Benth. 1. c. Belcher's Bay, Little Hongkong, 



Taitam and Cape d'Aguilar, Hongkong ; Lienchow 

 River. Fl. yellow, June. 



3. G. asiatica, Linn ; Masters in Hook. f. Fl. Brit. Ind. i. 386. 



Lantao and without locality, Hongkong New Territory. 

 Fl. yellow. May. 



4. G. polygama, Roxb. ; Masters 1. c. 391. Pakhoi. Fl. white. 



G. parviflora, Bunge, Enum. PI. Chin. Bor. 9. Hongkong 

 without locality ; Lienchow and North Rivers. Fl. 

 greenish, July, August. 



G. hirsuta, Vahl; DC. Prodr. i. 509. West and North 

 Rivers. Fl. yellow. Summer. 



2.-TRIUMFETTA. 

 Key to species. 



Spines of capsule glabrous 

 Spines of capsule hairy below... 



1, rhomboidea, 



2. pilosa. 



1. T rhomboidea, Jacg.; T. angulata, Benth. Fl. Hongk. 41. 



Common in Hongkong ; Hoif ung. Fl. yellow, August. 



2. T. pilosa. Roth ; Benth. 1. c. 41. Little Hongkong ; Hoifung; 



NorthlRiver. '^Fl. yellow, August. 

 21515 D 2 



