DIDYNAMIA— GYMNOSPERMIA. Galeopsis. 93 



at the base, dilated upwards into a wide throat, longer 

 than the calyx, marked in front, at the base of the lower 

 lip, with 2 prominences, hollow underneath ; upper lip 

 roundish, vaulted, serrated at the extremity; lower in 

 3 deep lobes ; the lateral ones roundish ; the central 

 one largest, cloven and notched. Filam. awl-shaped, 

 covered by the upper lip. Aiith. roundish, bivalve. Germ. 

 superior, 4-lobed, Style thread-shaped, of the length 

 and situation of the stamens. Stigma in 2 acute, spread- 

 ing segments. Seeds 4, triangular, convex at the sum- 

 mit, in the bottom of the rigid, spinous, open-mouthed 

 calyx. 

 Annual, hairy or finely downy, not aromatic, herbs, with 

 branched upright stems, serrated, ovate, or lanceolate, 

 stalked leaves, and large, handsome, parti-coloured^owers, 

 numerously whorled. 



1. G. Ladanum. Red Hemp-nettle. 



Stem not swelled below the joints. Leaves lanceolate, some- 

 what serrated, hairy. Upper lip of the corolla slightly 

 notched. 



G. Ladanum. Linn. Sp. PI. 8 1 0. Willd. u. 3 . 9 1 . Fl. Br. 628. 



Engl. Bot. v.\3.t. 884. Hook. Scot. 182. 

 G. angustifolia. Ehrh. Herb. 137 j the narrow-leaved variety. 

 G. n.266. Hall. Hist. v.\.U7. 

 Sideritis arvensis rubra. Raii Syn. 242. 



Ladanum segetum. Dalech. Hist. 443./. Riv. Monop.Irr.t.24.f.l. 

 L. segetum, flore rubro. Bauh. Hist. v. 3. p. 2. 839./. 

 Narrow Iron Wort. Pet. H. Brit. t. 33. f. 1 1 . 

 jS. Calyx very hairy. Stem thickened upwards. With. 52S; var.2. 



In dry gravelly or chalky corn-fields, or on limestone rubbish. 



Annual. August, September. 



Root twisted, or zigzag, with many fibres. Stem a foot high, erect, 

 with several opposite branches crossing each other in pairs, leafy, 

 red, roughish with deflexed hairs, the interstices of an even thick- 

 ness throughout. Leaves spreading, lanceolate, or somewhat 

 ovate, hairy, distantly serrated ; sometimes partly entire, and 

 almost linear ; furrowed on the upper side along the veins, 

 which are prominent beneath. Fl. in dense whorls, the termi- 

 nal whorl largest. Cal. bell-shaped, variously hairy, often viscid. 

 Cor. rose-coloured, variegated with crimson and white ; upper 

 lip slightly crenate. 



The terminal ^OM'er has somethnes 4 regular segments, with 

 equal stamens, according to the Rev. R. Forby. 



This species is remarkably variable in the foliage, and in the hairi- 



