83. LABIATM. [1. Pogostemo* 



Fls. in panicled sub-oapitate cymes. Filaments bearded 1. Pogostemon. 

 Whorls in dense panicled spikes. Fls. minnte, white 2. Colehrookia. 



B. Fls. distinctly 2-lipped. Stamens declinate. 



Whorls 6-3-fld. panicled. Lower cor. lip long boat- 

 shaped 3. Plectranthus. 



Fls. in dense oblong spikes. Lower cor. lip long 

 concave . . • • • • • • E • 4u Anisochilui. 



Cymes axillary and panicled. Lower cor. lip 3-lobed, 

 mid-lobe saccate . . . . . • .5. Hyptis. 



C. Fls. distinctly 2-lipped. St. 4 didynamous ascending 

 nuder the erect, often hooded, upper lip of the corolla 



Upper cor. lip nearly flat. St. exserted . • .6. Anisomdct. 



Upper cor. lip hooded, villous. 



Fls. white. Bracts not spinescent • l.'Leucas. 



Fls. scarlet. Bracts spinescent . • • .8. Leonotis. 



1. Pogostemon, Desf. 



1. P. plectranthoides, Desf. Jin, Beng. 



An undershrub sometimes attaining 6 ft. high with large 

 ovate acute coarsely crenate leaves and small white flowers 

 conspicuous from the light-purple bearded stamens. Fls. 

 in dense sub-capitate 1-sided bracteate cymes which are 

 secund on the branches of a large panicle. 



In damp localities, somewhat local. It sometime forms dense thickets, 

 as in the Karampoda forest in Singbhum. Along rivers in Santal 

 Parganahs. It also occurs i^ „he hills. Fls. Jany.-Feby. 



8tem with 4 rounded corners, glabrous or hairy. L. about 4^ by 3^, 

 very sparsely hairy above and with a short mealy pubescence and minutely 

 glandular beneath, but never hoary (as usually described). Sec. n. 4-6 

 prs. very oblique, strong. Crenatures serrate. Cymes sub-globose about 

 f' long with narrow-oblong white-villous bracts, on a raceme with elliptic 

 obovate or rhomboid decussate bracts. Calyx tubular y-£" glandular and 

 hairy with 5 equal acuminate teeth. Upper lip of corolla with 3 rounded 

 1 obes, lower entire lanceolate acute, St. 4 declinate villous at base and with 

 pink jointed villi in the middle. Style 2-fid. 



The odour is strong, but chiefly from the inflorescence. 

 490 



