-A Key to the Labiatae of Chin 



17- Plectranthus Cavaleriei, Leveille in Fedde, Repert. Nov. 

 Sp. ix, 247. 

 Kweichow : Esquirol, 834. 



18. Plectranthus glaucocalyx, Maxim. ; Mel. Biol, ix, 426. 

 Flowers lilac, August to September. Grassy places. 



Chili : Pekin, Carles, Hemeling, Bretschneider, 600, Satow ; 

 W. Hills, Pekin, Carles ; Miao-feng-shan, Pekin, W. Hills] 

 Hancock, 75. 



Shantung : Williamson ; I-tu-hsien, Ching-chou-fu, Couling, 

 73A ; grassy slopes on Lou-Shan, Tsingtau, Dunn. 



19. Plectranthus Coetsa, Ham. ; Fl. Brit. Ind. iv, 619. 

 P. leptobotrys, Diels in Engl. Jahrb. xxix, 56r. 



Flowers reddish, bluish, or white, August to October. Grassy 

 mountains, forests, and wooded cliffs. 



Szechuen : W. China at 6000 ft., Wilson, 4380, 4384. 



Hupeh : Ou-tan-scian, 2090 m., Silvestri, 2079 ; Nanto 

 Henry, 2983. 



Yunnan : Mengtze, N. and S.W. mountains at 6000- 

 8000 ft., Henry, 10,075, 10,238, 10,073 , io^a, 11,279 , 

 13,774 : Szemao, south forests at 5000 ft., Henry, 12,698. 



20. Plectranthus Rosthornii, Diels in Engl. Jahrb. xxix, 562. 

 Flowers October. 



Szechuen : Nanchuan, Tien-sheng-chiao, Rosthorn, 1122. . 



21. Plectranthus ricinispermus, Pamp. in Nuov. Giorn. Ital. 



1910, 707. 



Flowers pink, September to October. 



Hupeh: Fang, Wilson, 1682; Patung, Wilson, 2819- 

 Yu-koan-tm at 6000 ft., Silvestri, 2082, 2082A ; Ou-tan-scian' 

 Silvestri, 2083, 2083A, b. 



Szechuen : Chang-yang, Wilson, 2652. 



Diels in Notes Bot. Gard. 



Flowers purple or blue, May to August. Grassy slopes and 

 pine woods. 



Szechuen : W. China at 3 ooo ft., Wilson, 4574 ; Tung 

 valley, Wilson, 4382. 



Yunnan : east of Tali range, 10,000-11,000 ft., Forrest, 

 4557 : Mengtze, 6000-7000 ft., Hancock, 567, 5000 ft., Henry 

 13,792, 10,067, io,o67A. 



