20. ScrTELLARiA.] 106. LABIATE. 



•5" long. Upper corolla-lobe hooded, concealing the anthers, lateral 

 erect with revolute margins, lower lip subquadrate retuse -2" long. 

 Nutlets disclosed after fall of the upper calyx lip, 4, brown, turbinate, 

 granulate and minutely glochidiate seated on the oblique receptacle 

 and anterior side of the elongated disc. 



Wet banks. Neterhat, elev. 3000 ft. ! Fl., Fr. Sept.- Jan. 



Stems and racemes minutely pubescent, o^landular above. Racemes very lax, 

 Flovpcrs solitary or opposite, subsecund, pedicels about "l" equalling the linear- 

 oblong bract. Calyx-lips entire rounded, shield exceeding the upper lip. 



21. LEONURUS,L. 



Erect leafy stout herbs with the leaves cut or lobed. Flowers in 

 axillary dense-flowered whorls with subulate bracts. Calyx 5-nerved, 

 turbinate with 5 spreading spinescent teeth. Corolla-tube naked or 

 annulate within, upper lip entire erect, hooded or flattish ; lower 3-fid 

 with obcordate midlobe. Stamens 4, anthers conniving, cells trans- 

 verse. Style-lobes obtvise or subulate. Nutlets 3-quetrous, truncate, 

 smooth. 



I. L. sibiricus, L, 



Rather a handsome herb 3-5 ft. high, with square stems and long- 

 petioled pinnati-partite or palmi-partite leaves with linear-lanceolate 

 segments again incised, lobes linear. Flowers red, -5' long, with 

 spinescent calyx '25" long and upper lip of corolla hooded tomentose ; 

 mid-lobe of lower lip spreading, side-lobes erect, tube not annulate 

 within. 



Chiefly in the North-West districts, in hedges. Bettiah! Muzafferpur! FL, 

 Fr. Dec-March. Doubtfully indigenous. Annual. 



Stems and branches (in our area) hoary tomentose. Leaves hoary beneath. 

 Bracts acicular. Nutlets "l" long, glabrous. 



22. LEUCAS, Br. 



Herbs or undershrubs, nearly always pubescent or villous. Flowers 

 usually white in axillary whorls rarely crowded and terminal. Calyx 

 10-nerved, striate, or ribbed (at least above), with regular or oblique 

 mouth, equally or unequally 6-10-toothed. Corolla-tube included, 

 sometimes annulate within, upper lip erect concave'or hooded, villous 

 on top ; lower spreading, 3-fid Avith very large midlobe. Stamens 4, 

 ascending under the upper lip, anthers conniving, cells divaricate, 

 finally confluent. Style subulate, the posterior lobe being obsolete. 

 Nutlets ovoid, 3-quetrous, obtuse. 



I. Calyx membranous reticulate, mouth split above, oblique : — 



Erect with pubescent stems and coarsely serrate leaves . . 1. urfic(pfolia. 



II. Calj^x neither membranous (at least above) nor reticulate, 



mouth not split :— 

 A. Calyx-mouth regular, not villous, teeth small. Bracts in- 

 conspicuous, setaceous, villous. Whorls all axillary : — 



1. Hairs subei'ect and spreading : — 



Stems and leaves tomentosely-hairy. Leaves ovate . 2. lanata. 

 Stems and leaves with short erect and long spreading 

 hairs ; leaves oblong-lanceolate 3. helicterifolia, 



2. Hairs reflexed :— 



L. subsessile or short-petioled. Whorls densely 6-20-fld. 



Fie. subsessile 4. montana. 



L. with slender petioles. Fls. 1-3 distinctly pedicelled . 5. procumbent. 



746 



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