190 Dunn— A Key to the Labiatae of China. 



4. Gomphostemma chinense, Oliv. in Hook. Ic. PI. t. 1468. 

 Flowers white, June. 



Fukien : Amoy, Swinhoe. 



Kweichow : Cavalerie. 



Kwangtung : Lo-fou-shan, Ford ; N.W. River, Ford. 



5. Gomphostemma lucidum, Wall. ; Fl. Brit. Ind. iv, 697. 

 Flowers white to pale yellow, July. 



Yunnan : Mengtze and Szemao, Henry, 11,046 , 12,011, 



I^OIIA, 12,307 , 12,314, 12,609. 



" Hainan : Hong-ta, Ford, 464. 



6. Gomphostemma leptodon, Dunn in Notes Bot. Gard. 



Edin. xxxvii, 170. 

 Flowers February. Among bushes. 

 Kwangsi : Achin Mts., Lung-chow, Morse, 257. 



49. Eurysolen, Prain in Sci. Mem. Medic. Offic. Ind. xi, 43. 

 Eurysolen gracilis, Prain I.e. 44. 

 Flowers whitish. Forests. 

 Yunnan : Szemao, Henry, 12,913. 



50. Amethystea, Linn. 

 Amethystea coerulea, Linn. ; DC. Prodr. xii, 372. 



Flowers deep blue, June to September. Dry waste ground, 

 walls, pastures. 



Chili : Jehol, David, 2064 ; Tcheng-ling-fu, Chanet. 



Hupeh : Nanto, Henry, 4488. 



Yunnan : Mekong valley from 5600-7000 ft., Forrest, 

 93 ; eastern flank of Lichiang range at 8200 ft., Forrest, 2485, 

 6232. 



51. Teucrium, Linn. ; Fl. Brit. Ind. iv, 700. 



1. Leaves usually trifid . . . . .1. pal nudum. 

 Leaves only serrate . . . . . .2. 



2. Calyx about equally 5-toothed ; flowers 



paniculate . . . . . 3. 



Calyx bilabiate, upper lobe broad rounded ... 4. 



3. Whole plant densely yellowish-silky-hairy ; 



leaves usually cordate, shortly stalked . 2. quadrifarium. 



Plant glabrous or pubescent ; leaves usually 

 acute at the very base with slender 

 stalks ..... 3. japonicum. 



