CLASS X IV . ORDER II. J OROBANCHE. 839 



English Botany, t. 1780. (bad.) English Flora, vol. iii. p. 148. 

 Hooker, British Flora, ed. 4. vol. i. p. 242. Lindley, Synopsis, 

 p 194. 



Root of numerous spreading fibres. Stem erect, simple, about a foot 

 high, angularly striated, clothed with glandular pubescence, very 

 viscid, yellow, tinged with pinkish purple, becoming purplish brown, 

 scattered over with a few lanceolate scales, more numerous, smaller, 

 and crowded on the fleshy swollen base. Bracteas lanceolate, dark 

 and rough externally. Calyx of two pieces, lanceolate, taper pointed, 

 as long or longer than the tube of the corolla, many ribbed, entire, or 

 with a narrow tooth, or bifid, downy. Inflorescence a terminal lax 

 spike, mostly of few sweet scented flowers. Corolla tubular, inflated 

 upwards in a somewhat bell-shaped manner, and curved, veiny, scat- 

 tered over with pubescence, the upper lip woolly, the limb somewhat 

 spreading, the margin fringed with pubescence, unequally toothed and 

 crisped, the upper lip concave, two lobed, downy within, the lower of 

 three unequal lobes, the middle one largest, roundish ovate. Stamens 

 with awl-shaped filaments, inserted into the base of the corolla, and as 

 well as the style scattered over with more or less numerous glandular 

 hairs. Anthers ovate, of two pointed lobes, somewhat downy, reddish 

 purple colour, as well as the stigma. Capsules oblong, many seeded. 



Habitat. Frequent upon the basaltic and trap rocks in the He- 

 brides and adjacent shores, Scotland ; Cave hills, uear Belfast, and 

 Magilligan, county of Derry, Ireland. 



Perennial ; flowering in July. 



This species does not appear to have been found growing upon the 

 roots of any plants in England ; but on the Continent, where it is 

 much more common, it is frequently found upon those of Tbymus 

 serpyllum. The flowers are strongly scented, and the whole plant is 

 very viscid. 



** Calyx of one piece, bracteas three. 



6. O: cceru'lea, Vill. (Fig. 971.) Purple Broom-rape. Stem simple, 

 angular ; bracteas three, unequal ; calyx of one piece, with five lanceo- 

 late teeth ; corolla tubular, curved, the limb spreading, the upper lip 

 lobed and notched, the lower iu three nearly equal oblong acute lobes ; 

 stamens inserted near the base of the corolla, smooth ; style downy ; 

 stigmas yellowish blue. 



English Botany, t. 423. English Flora, vol. iii. p. 149. Hooker, 

 British Flora, ed. 4. vol. i. p. 212. Lindley, Synopsis, p. 194. 

 O.purpurea, Jacq. 



Root of stout spreading fibres. Stem erect, slender, simple, angular, 

 about a foot high, of a purplish grey colour, and clothed with short 

 fine glandular pubescence, scattered over with a few lanceolate scales, 

 of a brownish colour, more numerous on the somewhat swollen fleshy 

 base. Inflorescence a terminal lax spike of a few flowers. Bracteas 

 three lanceolate pieces, the outer one largest, brown, the two inner 



