94 DIDYNAMIA-GYMNOSPERMIA. Galeopsis. 



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

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

 lip, widi 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. Anth. roundish, bivalve. Germ. 

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

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

 inff seoments. Seeds 4, triano-ular, convex at the sum- 

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

 calyx. 

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

 branched upright stems, serrated, ovate, or lanceolate, 

 stalked leaves, and lai-ge, handsome, parti-coloured^owers, 

 numei'ously 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. PL 810. Willd. v. 3.91. Fl. Br. 628. 

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



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



G. n. 266. Hall. Hist. v. 1. 117. 



Sideritis arvensis rubra. Rail Syn. 242. 



Ladanum segetum. Dalech. Hist. 443. f. Riv. Monop. Irr. t. 24. f. 1 . 



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



Narrow Iron Wort. Pet. H. Brit. t. 33./. II. 



/3. Calyx very hairy. Stem thickened upwards. With. 528; 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^oj^er has sometimes 4 regular segments, with 

 equal s^omens, according to the Rev. R. Forby. 



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



