Leucas.] Labiatcc. 385 



Mouth of cal. straight. 



L. ovate or oval ; cal. -teeth over \ length of tube. 

 Whorls dense. 



L. under i in i. L. MOLLISSIMA. 



L. over i in. 



Cal. hispid or villous 

 Cal. softly pubescent 



Whorls very lax 



L. linear; cal. -teeth minute 

 Mouth of cal. very oblique ; 1. linear-lanceolate 



1. Xi. mollissixna, Wall. Cat. n. 2054 (1828). 

 Thvv. Enum. 240. C. P. 2075. 



Fl. B. Ind. iv. 682. 



Stems straggling, much branched, quadrangular, with 

 adpressed reflexed pubescence; 1. small, \-\ in., oval or 

 ovate-oval, acute, coarsely serrate, silky-hairy above, more 

 densely so and white beneath, petioles very short ; whorls 

 small, rounded, dense ; cal. broadly tubular, 8-ribbed, teeth 8, 

 triangular-subulate, not more than \ length of tube, cor. not 

 seen. 



'North of the Island, Gardner' (Thw. Enum.), but Gardner's speci- 

 mens (C. P. 2075) are localised 'Alagoda and Peradeniya,' and may have 

 been cultivated or an introduction. I have not met with it. 



Also in India and China. 



Our specimens do not seem specifically distinct from L. viarrnbioides. 



2. Xi. marrubioides, Z>^.[/! z« J/^;/?. Mus. xi. 6 (1826). Sudu- 

 tumba, 6". 



Thw. Enum. 240 L. indica, Moon Cat. 44. Benth. in DC. Prod, 

 xii. 528. C. P. 2071. 

 Fl. B. Ind. iv. 683. 



Perennial, stem 2-3 ft, erect, scarcely branched, rather 

 stiff, stout, bluntly quadrangular, densely covered with fine 

 silky white deflexed hairs; 1. 1-3 in., ovate-oval, acute or 

 obtuse at base, coarsely dentate-serrate, velvety above, white 

 with dense silky tomentum beneath, petiole | in,, silky-hairy; 

 fl. numerous, whorls dense, rounded, bracts linear, villous; cal. 

 tubular, 8-ribbed, villous-hairy, teeth 8, triangular-subulate, 

 often unequal, about \ as long as tube but variable; cor.-tube 

 straight, slightly exserted. 



Both moist and dry regions ; common, especially abundant on rocky 

 banks in the Uva country' up to 5000 ft. Fl. May-August ; white. 

 Also in S. India. 



3. Xi. ang-ularis, Benth. in Wall. PI. As. Rar. i. 62 (1830), 

 L. pubescens, Thw. Enum. 240 (.' Benth.). 



Fl. B. Ind. iv. 684. 



' Stem procumbent, pubescent, branches acutely 4-angled, 



PART III. C C 



