Dunn— A Key to the Labiatae of China. 139 



Kwangtung : Mainland opposite Hongkong 2000-3000 ft., 

 Hance, 745 ; common on the bare uplands above Taipo, Dunn. 



2. Plectranthus macranthus, Hook. f. ; Fl. Brit. Ind. iv, 616. 

 Hancea Hemsleyana, Leveille in Fedde, Repert. Nov Sp 



ix, 223. 



Flowers violet to rose-purple, August to September. Moist 

 banks of streams, sides of marshes, etc., and in dense jungle. 



Szechuen : Omi, Wilson, 5118A, b. 



Kweichow : Pin-fa, Cavalerie, 363. 



Yunnan : Mingkwang - Irrawadi divide 

 Forrest, 961 ; Teng-yueh, Howell, 126. 



3. Plectranthus Prainianus, Dunn in Notes Bot Gard Edin 



xxxvii, 158. 

 Hancea Prainiana, Leveille in Fedde, Repert. Nov. Sp. ix, 223. 

 Flowers violet, August. 

 Kweichow : near the cascades, Pin-fa, Cavalerie, 362. 



4- Plectranthus angustifolius, Dunn in Notes Bot. Gard. 

 Edin. xxxvii, 154. 



Flowers dark or light purple. Grassy mountains. 



Hupeh : Fang, Wilson, 2577. 



Yunnan : Ducloux, 274 {fide Henry) ; Mengtze, 5000- 

 5500 ft., Henry, 10,069, io,o69A ; near Yunnan-sen, Maire, 

 2497, 2600. 



5. Plectranthus Bulleyanus, Diels in Notes Bot. Gard. 



Edin. xxv, 229. 



Flowers deep blue, June. Dry situations among scrub 

 and shady pastures. 



Yunnan : eastern flank of Tali range at 9000-10,000 ft., 

 Forrest, 4554. 



6. Plectranthus Stracheyi, Benth. Fl. Brit. Ind. iv, 618. 

 P. veronicifolius, Hance in Journ. Bot. 1885 (Nov.) , 327. 

 Flowers white, November. 



Yunnan : Forests south of Szemao at 4000 ft., Henry, 12,721. 

 Hainan : Hung-mo (Lai Distr.), B. C. Henry, Nov. "21, 1882. 



7. Plectranthus striatus, Benth. ; Fl. Brit. Ind. iv, 618. 



P. Gerardianus* Benth. ; Fl. Brit. Ind. iv, 617. 



P. Tatei, Hemsl. in Journ. Linn. Soc. xxvi, 274. 



P. Esquirolii, Lcv.iIK' in Fedde, Repert. Nov. Sp*. ix, 247. 



Orthosiphon Bodinieri, Van. in Bull. Acad. Geogr. Bot. xiv, 170. 



0. glabrescens, Van. l.c, 168. 



