106. LABIATJE. [10. Pogostemon. 



9. LAVANDULA, L. Lavender. 



Herbs or shrubs with entire or sometimes pinnatisect leaves and 

 bine, violet or lilac flowers in 2-10-fld, whorls, collected into simple 

 or branched spikes. Calyx erect, 13-15-nerved, 5-toothed. Corolla 

 with 2-fid npper and 3-partite lower lij), lobes spreading-. Stamens 4 

 declinate, included, free, anther-cells confluent. Disc-lobes opposite 

 the ovary-lobes. Style 2-fid. Nutlets smooth, areole slightly 

 dorsally oblique. 



The species of Lavender are chiefly Mediterranean. 



1. L. bipinnata, Roth. Syn. L. Burmanni, Benth. 



A pretty, slender, erect herb 2-3 ft. high with 1-2-pinnatisect 

 leaves with linear segments, and capitate spikes •3-1-25" long of 

 lavender-coloured and -scented flowers. 



Pats of Chota Nagpur : Ranchi ! Palaraau, Neterhat, 3000 ft. ! Fl. Nov.-Jan. 



Leaves 3-4" long, segments very narrow. Spikes sometimes panicled, bracts 

 1-fld , ovate-acuminate" (subulate, F.B.I.), shorter than the tubular 15-nerved 

 pubescent, '2"-long calyx. Corolla sometimes white. '45" on long diameter with 

 tube ■3--4" slender, inflated above, throat hairy. Lower lip deeply 3-lobed with 

 midlobe largest obovate. upper lip paler notched, outside pubescent. Stamens 

 with lower pair longer, anthers rounded, pubescent. Nutlets oblong -06" long 

 with a broad liorsal groove in continuation of the oblique areole not quite reaching 

 to the I'ounded apex. 



10. POGOSTEMON, Desf. 

 Herbs or shrubs with small flowers in subcapitate whorls or cymes 

 arranged in solitary or densely panicled sj^ikes or contracted racemes. 

 Calyx sub-equally 4-5-toothed. Corolla si\b-2-lipped with exserted 

 or included tube and spreading limb of 4 lobes, lower usually longest. 

 Stamens 4 exserted, straight or declinate, filaments usually bearded, 

 anther-cells confiuent. Disc regular sub-entire. Style 2-fid. Nutlets 

 smooth ovoid or oblong. 



1. P. plectranthoides, Desf. Jin, Beng.; Ishwar-jata, Khond -, 

 Poksunga, Or. 

 A suffruticose herb or shrub 4-6 ft. high ; stems with 4 rounded 

 corners glabrous or hairy with adpressed hairs. Leaves ovate, rarely 

 lanceolate acute or subacuminate with straight or very obtuse or 

 shortly suddenly cuneate base, 3-5" but smaller towards the 

 inflorescence, coarsely doubly serrate. Flowers white or pale biit 

 api^earing pink from the conspicuous light-purple bearded stamens 

 and style, in capitate secund bracteate spikes, which again are 

 arranged in dense secund jDanicled villous racemes. Bracts •2-"25" 

 long, ovate, ell.-ovate or oblong-rhomboid, villous, overtopping the 

 flower-buds. 



In shady forest or along streams, sometimes f oi-ming a dense thicket. Champaran ! 

 Santal Parg. ! Singbhum, local ! Parasnath, Ken- Herb. ! Angul, common ! 

 Kalahandi ! Fl. Jan.-Feb. Fr. April. 



Branches often purple. Shoots and young leaves beneath hoary pubescent, 

 mature leaves sometimes with a short mealy pubescence and minutely glandular 

 beneath and very sparsely shortlj- hairy above, generally glabrescent, nearly 

 scentless but inflorescence with a strong smell, sec. n. rather strong 4-6 very 

 oblique. Petiole 1-2". Calyx "lo-'Vi" long, sub-2-lipped, two teeth rather In-oade'r 



737 



