876 xcvii. LABIATE. [Letocas 



25. LEUCAS R. Br. ; Benth. & Hook. f. Gen. PI. ii. p. 1213. 

 Lasiocorys Benth. Lab. Gren. & Sp. p. 600 (1834) ; Benth. & 

 Hook, f., I.e. 



1. L. martinicensis Ait. Hort. Kew. edit. 2, iii. p. 409 (1811). 

 Glinopodiwn ma/rtinicense Swartz, Enum. Syst.;.Pl. p. 25 (1760). 



PMomis caribcea Jacq. Collect, i. p. 154 (1786) ; Swartz, Fl. Ind. 

 Occ. ii p. 1009 (1800). F. Martinicensis Swartz, Prodr. p. 88 

 (1788). 



PuNGO Andongo.— In fl. and fr. Deo. 1856. Nos. 5542, 55866. 



HuiLLA.— In fl. and fr. Jan. 1860. No. 5503. A herb, 1 to 3 ft. 

 high, annual, smelling like a Lamium, with the habit of a Leonoiis ; 

 flowers small, inconspicuous ; corolla white, the tube long, the limb 

 bilabiate ; the middle lobe of the lower lip constantly larger than the 

 lateral lobes, usup.lly more or less bifid or at least emarginate at the 

 apex so that the lip appears 4-clef t ; the upper lip entire, erect, very 

 hairy. In neglected fields near LopoUo, plentiful ; in the national 

 garden, fl. 31 March 1860. No. 5502. 



2. L. deeurvata Baker ms. in herb. Kew. 



A rather slender, erect, puberulous, annual herb, 16 to 24 in. 

 high or more, sparingly branched ; stem obtusely quadrangular, 

 furrowed ; leaves elliptical, narrowed to the acute or sub-obtuse 

 apex, wedge-shaped at the base, membranous, minutely glandular, 

 more or less puberulous, green above, slightly or scarcely paler 

 beneath, more or less often deeply dentate except the lower part, 

 1 to 3^ in. long by ^ to 1-i in. broad ; petioles ranging up to ^ in. 

 long; flowers numerous, sessile or subsessile, crowded in dense 

 sessile axillary and subterminal verticils, |- to f in. long ; verticils 

 subglobose, ^ to 1 in. in diameter, bracteate at the base ; bracts 

 numerous, filiform-subulate or sub-linear, mostly J to f in. long, 

 eiliate ; calyx -y to -J- in. long in flower, ^ to f in. long in fruit ; 

 the tube ellipsoidal-oblong, rather compressed, somewhat turbinate 

 at the base, curving downwards at the apex, more or less 

 hispidulous or puberulous, 10-nerved, about ^ in. long in flower 

 and 1 in. long in fruit ; the limb bilabiate ; the lower lip 

 spreading or deflected, transversely oblong, 5-fid, Jjy to | in. long, 

 the lobes subulate, the middle 3 arising from a deltoid base; 

 the upper lip short, subtruncate with 5 erect subulate teeth; 

 corolla-tube shortly exceeding the calyx, erect ; the limb bilabiate ; 

 the lower lip spreading, about Jj- in. long, trifid ; the middle lobe 

 the largest, emarginate at the apex ; the upper lip erect, hairy 

 outside, fringed, -^ to -^ in. long, broadly obovate, concave, 

 entire. 



GoLUNGO Alto. — In fl. and fr. Nos. 6526, 5541. 



Nearly related to L. martinicensis Ait. 



3. L. WelwitscMi Giirke in Engl. Bot. Jahrb. xxii. p. 141 

 (19 Nov. 1895). 



PuNGO Andongo.— A herb, 1 to 1^ ft. high ; rootstock woody ; stems 

 numerous, erect or ascending ; flowers brilliantly white. In the forest 

 on a ferruginous clay soil, near Quibango : fl. and fr. Jan. 1857. 

 No. 5563. 



