209 



10.— PERILLA. 



Key to species. 



Leaves crenate-seiTate 1. ocymoides. 



Leaves fimbriate and crisped ... 2. nankinensis. 



1 . P. ocymoides, imw. ; Hook. f. Fl. Brit. Ind. iv. 646. Pokfulam, 



Hongliong ; Lantao Island, Hongkong New Territory ; 

 Swatow ; in the park of the British Consular Yamen, 

 Canton ; Macao ; Lienchow River. Fl. white, September. 



2. P. nankinensis, Decne. ; P. argiita, Benth. Fl. Hongk. 276. 



Hongkong without locality ; Kwangtung without locality. 

 Fl. , April to September. 



11.— MOSLA. 



Key to species. 



1. Upper lip of calyx obtusely dentate 1. dianthera. 

 Upper lip of calyx very acutely toothed 2. 



2. Leaves linear ... ... ... ... 2. Fordii. 



Leaves lanceolate ... ... ... 3. lanceolata. 



1. M. dianthera, Maxim. ; Hook. f. Fl. Brit. Ind. iv. 647. 



Kwaisin at 2500 ft., Hoifung ; Lienchow River ; 

 Lofoushan at 3100 ft. Fl. purple, August. 



2. M. Fordii, Maxim, in Mel. Biol. ix. 434. Lofoushan at 3100 



ft. and other localities. Fl. , August. 



3. M. lanceolata, Maxim. ; Perilla lanceolata, Benth. Fl. Hongk. 



276. In waste places, Hongkong ; at Malautong, Hong- 

 kong New Territory ; fields near Chaochaufu ; Whampoa ; 

 North River. Fl. pink, April — August. 



12.— MENTHA. 



1. M. arvensis, Linn. ; Benth. Fl. Hongk. 276. In ditches at 

 Chaiwan, Hongkong ; near Sanwai, Hongkong New 

 Territory ; Kwaisin, Hoifung ; Canton. Fl. pale pink, 

 September. 



13.— LYCOPUS. 



1. L. europaeus, Lin7i. ; Hook. f. Fl. Brit. Ind. iv. 648. Kwaisin, 

 Hoifung. Fl. bluish-white, September. 



14.— ORIGANUM. 



1. 0. vulgare, Linn. ; Hook. f. I.e. 648. Kwangtung without 

 locality. Fl. purple, July to August. 



15.-GALAMINTHA. 



Key to species. 



1. Bracts lanceolate 1. gracilis. 



Bracts setaceous or minute 2. 



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