187 



8.-D0PATRIUM. 



1. D. junceum, ^a?H. ; Benth. Fl. Hongk. 249. At East Point 

 in marshy ground, Hongkong ; Whampoa in rice fields ; 

 Canton in rice fields. Fl. rose-coloured, June— October. 



9.— HERPESTIS. 



1. H. Monniera, H. B. K. ; Benth. Fl. Hongk. 249. Causeway- 

 Bay, and common in marshes, Hongkong ; Lokloha, 

 Hongkong New Territory ; Kwangtung without locality. 

 Fl. pale blue, June — December. 



10.— TORENIA. 



Key to species. 



1 . Racemes elongated ; flowers yellow 



or yellow and purple ... ... 2. 



Flowers axillary or pseudo-axillary ; 



flowers blue or purple ... ... 3. 



2. Leaves narrowly ovate ; calyx 5-ribbed 1. fiava. 

 Leaves broadly ovate ; calyx 5-winged la. Fordii. 



3. Calyx 5-ribbed 4. 



Calyx 3-winged ... ... ... 5. 



4. Corolla nearly twice as long as calyx 8. 

 CoroUa and calyx about equal ... 2. paniflora. 



5. Calyx wings narrower than the spaces 3. concolor. 

 Calyx wings broader than the spaces 0. 



6. Leaves ovate, rounded below ... ... 4. oblonga. 



Leaves oblong, narrowed below ... 7. 



7. Filaments with a subulate appendage 5. vagans. 

 Filaments with no appendage ... ... Q. peduncular is. 



8. Plant hispid ... ... ... ... 7. hirsuta. 



Plant nearly glabrous ... ... ... 8. Benthamiana. 



1. T. flava, Ham. ; Benth. Fl. Hongk. 250. Hongkong with- 



out locality ; Lanf a Mt., Hoif ung ; Whampoa ; along the 

 North River ; Lofoushan. Fl. yellow, July — September, 

 la. T. Fordii, Hook.f. Bot. Mag. t. 6797b. White Cloud monas- 

 tery. Canton ; Lofoushan. Fl. pale yellow with purple 

 spots, August. 



2. T. parviflora, Ham. ; Hook. f. Fl. Brit, Ind. iv. 278. White 



Cloud hills, Canton ; Lofoushan. Fl. blue, June^ — Sep- 

 tember. 



3. T. ooneolor, Lindl. ; T. rubens, var. grandiflora, Benth. Fl. 



Hongk. 250. Common on Victoria Peak, Hongkong. 

 Fl. dark blue, July. 



4. T. oblonga, Hance; Maxim, in Mel. Biol. ix. 411. Pokfulam- 



Aberdeen Road, and Shaukiwan, Hongkong ; Swatow ; 

 Hoifung ; Macao. Fl. purple, June — September. 



5. T. vagans, Roxb. ; Hook. f. Fl. Brit. Ind. iv. 277. Singmoon, 



Kwangtung (probably Capsuimum, Hongkong New Terri- 

 tory). Fl. pale blue, . 



