Od7innii.] Labiates. 365 



Stam. included. 



Achenes smooth 3. MOSCHOSMA. 



Achenes tuberculate 4. Orthosiphon. 



Lower lip of cor. boat-shaped. 

 Lower lip of cal. of 4 or 2 segm. 



Fil. free 5. Plectranthus. 



Fil. connate below 6. CoLEUS. 



Lower lip of cal. truncate .... 7. Anisochilus. 

 Cal. -segm. nearly equal (except in 11 and 15). 

 Cor.-lobes flat {Satureinca;). 

 Cor. distinctly 2-lipped. 



Cal. -segm. quite equal . . • .8. Pogostemon. 

 Lower 2 cal. -segm. larger . . , .11. Cal.a.mintha. 

 Cor. nearly regular. 



Anth. I -celled 9. Dysophylla. 



Anth. 2-celled 10. Mentha. 



Upper lobe or lip of cor. concave or hooded 

 {Siachydeo'). 



Cal. 2-lipped, segm. o 12. SCUTELLARIA. 



Cal.-segm. 5 13. Anisomeles. 



Cal.-segm. 8 or 10. 



Segm. nearly equal . . . . .14. Leucas. 

 Uppermost segm. much largest . . .15. Leonotis. 

 Cor. without an upper lip {Ajiigoidea;) . . .16. Teucrium. 



I. OCZMUBI, Z. 



Annual or perennial herbs, sometimes semi-shrubby; fl. 

 small, in cymes of three {i.e. whorls of 6), ped. more or less 

 recurved, infl. slender, erect ; cal. 2-lipped, the uppermost 

 segm. broad, flat, erect, the lower lip with 4 mucronate teeth, 

 the middle 2 the largest ; cor.-tube short, upper, lip 4-toothed, 

 lower lip entire ; stam. exserted, declinate, anth.-cells con- 

 fluent; achenes smooth or rugose, enlarged cal. membranous 

 and veined, strongly recurved — Sp. 40; 5 in Fl. B. Ind. 



Lower cal.-lip longer than upper ; 1. under 2 in. 



L. acute i. O. CANUM. 



L. obtuse. 



L. hairy 2. O. SANCTUM. 



L. nearly glabrous 3-0. ascendens. 



Lower cal.-lip shorter than upper ; 1. over 4 in. . 4. O. GRATISSIMUM. 



I. O. canum, Siiiis^ Bot. Mag. t. 2452 (1823). Kin-tala, S. 

 XLanchankorai, T. 



O. mijtimwn. Moon Cat. 44 (? Linn.). Thw. Enum. 236. C. P. 3624. 

 Fl. B. Ind. iv. 607. Bot. Mag. t. 2452. 



Annual, stem 1-2 ft., much branched, sub-quadrangular, 

 striate, hispid-pubescent, with short crisp hair; 1. small, i\-2 

 in., lanceolate or oval, acute at both ends, shallowly serrate, 

 nearly glabrous, gland-dotted, petiole \-\ in., slender, with a 



