186 



Lantao Island and near Sanwai, Hongkong New Territory ; 

 hill near Chaochauf u ; Macao. Fl. bluish purple, Summer. 



2. A. capitata, Benth. ; Pterostigma capitatuvi, Benth. 1. c. 248. 



At Little Hongkong, Hongkong ; at Kuntong, Hong- 

 kong New Territory ; Hoifnng ; Canton. Fl. bluish 

 purple, September. 



3. A. miorocephala, Hook. f. Fl. Brit. Ind. iv. 264. Lofoushan. 



Fl. blue, August. 



7.— LIMNOPHILA. 



Key to species. 



1. Flowers sessile ... 

 Flowers stalked 



2. Leaves all entire 

 Some or aU leaves multifid 



3. Leaves stalked ... 

 Leaves sessile ... 



4. Leaves multifid 

 Leaves entire ... 



5. Stem hirsute 

 Stem glabrous ... 



6. CoroUa slightly exceeding calyx 

 CoroUa 3 or 4 times as long as calyx. 



7. Nerves of leaves pinnate 

 Nerves of leaves palmate 



8. Leaves aU multiSd 

 Lower leaves only multifid 



2. 



4. 

 3. 

 8. 



1. RoxburghiL 



7. 



2. ffratioloides. 



5. 

 8. hirsuta. 

 6. 



3. erecta, 



4. gratissima. 



4. gratissima. 



5. hypericifolia, 



6. sessilijlora. 



7. heterophylla. 



1. L. Roxburghii, G. Don; Hook f. Fl. Brit. Ind. iv. 265. 



Lantao Island. Hongkong New Territory ; Lanfa Mt., 

 Hoifung ; North River. Fl. blue-purple, mouth yellow, 

 September. 



2. L. gratioloides, R. Br. ; Hook. f. 1. c. 271. HoiEung. Fl. 



pink and yellow, October. 



3. L. ereeta, Benth. ; Hook. f. 1. c. 267. Marshes on the White 



Cloud hiUs, Canton. Fl. white, . 



4. L. gratissima, Blume ; L. punctata, Blume ; Benth. Fl. Hongk. 



248. Little Hongkong and the Happy VaUey, Hong- 

 kong ; Lamma Is. and near Lowu, Hongkong New 

 Territory ; Hoifung ; White Cloud hills, Canton ; North 

 River. Fl. pink, October. 



5. L. hypercifolia, Benth. ; Hook. f. 1. c. 269. Lienchow River. 



Fl. purple, October. 



6. L. sessiliflora, Blume ; Hook. f. 1. c. 270. Stream near Chao- 



chaufu. Fl. bluish, April. 



7. L. heterophylla, Benth. ; Hook. f. 1. c. 270. At Wongneichong, 



Hongkong ; near Sanwai, Hongkong New Territory ; at 

 Yit-hai, Swatow ; along the West River. Fl. purple, 

 April — October. 



8. L. hirsuta, Benth. Fl. Hongk. 248. In a pond (since filled in) 



east of the Happy Valley, Hongkong ; in a pool on 

 Taimoshan, and in paddy fields at Kuntong, Hongkong 

 New Territory. Fl. purple, November. 



