254 LABIATE. [ Leonotis. 



A tall erect annual, 4-6 ft. high. Stem stout, puberulous, bluntly 4-angled 

 deeply sulcate, the faces concave. Leaves membranous. 2^-6 in. long 

 ovate, acute, coarsely crenate-serrate, puberulous on both sides, base 

 cuneate ; petioles 1-4 in. long, winged above. Whorls axillary, dense, 

 globose, many-flowered, 1-^-2 £ in, in diam ; floral leaves lanceolate, 

 deflexed ; bracts up to « in. long, deflexed, linear, hairy, spine-pointed. 

 Calyx ?in long, ribbed, puberulous below, upper part densely villous 

 and clothed with long white bristly hairs, tube incurved, mouth oblique, 

 throat glabrous ; teeth unequal, spine-tipped, the upper one up to •£ in. 

 long, ovate, acute, the rest smaller and triangular. Corolla orange- 

 scarlet ; tube % in. long, glabrous below, upper part hairy, inside with 3 



. parallel rings of white hairs ; upper lip \ in. long, densely woolly, 

 lower £-i in. long. Nutlets £ in. long, obliquely truncate. 



Cultivated and naturalized in most parbs of the area, but chiefly in the 

 vicinity of villages. Flowers in Oct. Dtstrib. Throughout the hotter 

 parts of India and in Ceylon, widely spread also in S. E. Asia, Trop. 

 America and in Africa, in which latter country, it is believed by 

 some to be indigenous. It is a very striking-looking plant when in 

 flower. 



20. NEPETA, Linn.; PI. Brit. Ind. iv, 656. 



Erect or prostrate herbs. Leaves opposite. Flowers blue white or 

 yellow, arranged in axillary or terminal whorls. Cali/x tubular, 

 15-nerved, equally 5-toothed or subbilabiate with the 2 lower teeth 

 narrower than the upper. Corolla 2-lipped, tube not annulate within, 

 throat inflated; upper lip straight notched or 2-fid ; lower 3-fid, 

 rnidlobe largest. Stamens didynamous, ascending under the upper lip 

 or exserted, upper pair longer, anther-cells diverging. Disk uniform 

 or enlarged in front. Ovary 4-partite, style shortly 2-fid.; lobes 

 subequal, subulate. Nutlets 4, ovoid or compressed, dry, smooth. — 

 Species about 120, in Temp. Europe and Asia and in X. and S. 

 Africa, 



Whorls dense, many-flowered, lower ones 

 distinctly stalked . . . . 1. N. ruder alis. 



Whorls few-flowered, forming lax often 

 drooping panicles with very si euder filiform 

 branches . . . . . . 2. N. graciliflora. 



1. N. ruderalis, Buch.—Ham. Mss. ex. Hook. F. B. I. iv, 661 ; Watt 

 E.D.; Coltett Fl.Siml.398 ; Train Beng. PL 857 ; Cooke Fl. Bomb. 472. 

 Glechoma erecta, Boxb. II. Ind. Hi, 7. 



A pubescent annual, 6-18 in. high, branching from the base ; branches erect 

 or ascending, obtusely 4-angled and grooved. Leaves stalked green or 

 hoary, -|-2^ in. long, broadly ovate or suborbicular, crenate, base cordate 

 or truncate, petioles j-lj in. long. Flowers stalked, unilaterally arranged 



