188 



6. T. peduncularis, Beuth. : Hook. f. 1. c. 276. Tingushan, near 



Chaokingfu, W. River; Lofoushan. Fl. pale blue, 

 August. 



7. T. hirsuta, Lam. ; DC. Prodr. x. 410. Between Taipo and 



Fanling, Hongkong New Territory; Yit-hai, Swatow. 

 Fl. blue, April, 



8. T. Benthamiana, Hance ; Maxim, in Mel. Biol. ix. 411. Aber- 



deen, Hongkong ; Swatow ; Whampoa. Fl. blue. May — 

 August. 



11.— VANDELLIA. 



Key to species. 



1. Capsule twice as long as calyx, linear, 



acuminate ... ... ... ... 2. 



Capsule equal to or shorter than calyx, 



globose, ovate or oblong obtuse ... 3. 



2. Leaf ovate, petioles distinct ... 

 Leaf linear or oblong, gradually nar- 

 rowed below 



3. Calyx of flower 5-dentate 

 Calyx of flower 5-partite 



4. Plant nearly glabrous .... 

 Plant hairy 



5. Peduncles barely exceeding the calyx 

 Peduncles many times longer than the 



calyx 



6. Plants with soft long hairs 

 Plants scabrous... 



1. V. pedunculata, Benth. ; Hook. f. Fl. Brit. Ind. iv. 282. On 



damp ground, Aberdeen, Hongkong ; Whampoa ; Pakhoi. 

 Fl. white or pale blue with a white spot, July — November. 



2. V. angustifolia, Benth. ; Hook. f. 1. c. 282. Hongkong without 



locality ; Hoifung ; Lintia Island, Canton River near 

 Hongkong. Fl. purple, September. 



3. V. Crustacea, Benth. Fl. Hongk. 251. On Victoria Peak 



and frequent in paddy fields, Hongkong ; Hoifung ; 

 common weed, Canton ; Pakhoi ; Lofoushan. Fl. purple, 

 September. 



4. V. hirsuta, Ham. ; Hook. f. Fl. Brit. Ind. iv. 280. 



Sanning ; banks of the West River. Fl. bluish white, . 



5. V. urticifolia, Hance in Journ. Bot. 1868, 301. Lanfa Mt,, 



Hoifimg ; Lienchow River ; at Tsingyun North River. 

 Fl. blue, September — December. 



6. V- mollis, Benth. ; Hook. f. 1. c. 281. Marshy places around 



Canton. Fl. brown and yellow, . 



7. V. scabra, Benth. Fl. Hongk. 251. Hongkong without 



locality ; Lofoushan. Fl. , August. 



12.— ILYSANTHES. 



1. I. hysBopioideB, Benth. Fl. Hongk. 252. In a marsh in the 

 Happy Valley, and Chaiwan, Hongkong. Fl. pale blue, 

 August. 



