308 SCROPHULA RINEJE. [LATHRJEA . 



Flowers J in. Calyx 2-lipped, lobes broad subacute, shorter than the dull 

 purple arched corolla, which has small erect lobes. Anthers coherent, 

 pubescent. Style exserted, decurvecl, stigma purple. Capsule ovoid. 

 DISTRIB. Europe, N. and W. Asia, Himalaya. 



ORDER LVI. OROBAN'CHEJE. 



Leafless brownish root-parasites. RootstocTc often tuberous, naked or 

 scaly. Stem usually stout, solitary, scaly. Flowers in lax or dense spikes 

 or racemes. Sepals 4-5, inferior, free or connate. Corolla hypogynous, 

 irregular, tube curved ; limb 2-lipped ; upper lip arched, lower 3-fid ; 

 throat with 2 villous folds. Stamens 4, didynamous, inserted on the 

 corolla- tube ; anthers 2-celled, cells spurred at the base, opening by lateral 

 slits or basal pores. Disk unilateral, or 0. Ovary 1-celled, of 2 carpels ; 

 style simple, curved at the tip, stigma capitate 2-lobed ; ovules many, 

 rarely few, anatropous, placentas 2 pairs free or confluent parietal. Cap- 

 sule 1-celled, 2-valved, few- or many-seeded. Seeds minute, testa thick 

 pitted or tubercled, albumen fleshy ; embryo ovoid, undivided or 2-fid. 

 DISTRIB. Temp, and trop. ; chiefly S. Europe and E. Asia ; genera 

 11 ; species 150. AFFINITIES. With Scrophularinece, and Cyrtandraccce, 

 and possibly parasitic forms of these. PROPERTIES. Astringent and 

 bitter. 



See Lathraa in Scrophularinese. 



1. OROBAN'CHE, L. BROOM-RAPE. 



Flowers usually glandular-pubescent, 1-3-bracteate. Sepals 4, usually 

 connate in pairs, with sometimes a small 5th. Corolla gaping ; upper 

 lip erect, 2-lobed ; lower spreading, 3-lobed. Stamens included, filaments 

 flattened below ; anther-cells spreading. Disk glandular or 0. Ovary 

 ovoid ; style usually glandular, stigma 2-lobed. Capsule imperfectly 

 2-valved, many-seeded ; valves cohering at the base and usually at the 

 top -also. DISTRIB. Of the Order; species about 100. ETYM. tipo&os, a 

 vetch, and &yx*W) to strangle^ from its parasitic habit. 



SECTION 1. Ospro'leon proper. Stem usually quite simple. Flowers 

 1-bracteate, ebracteolate. Calyx-segments 2, 2-fid, rarely entire. Capsule 

 with the valves coherent above. 



1. O. ma'jor, L. ; brown, sepals 1-3-nerved nearly as long as the corolla- 

 tube, upper lip entire, mid-lobe of lower lip longer than the lateral, fila- 

 ments glabrous below glandular above, stigma yellow. 0. Ra'pum, Thuill. 

 On roots of shrubby Papilionacea, from Dumfries southd. ; Ireland ; Channel 

 Islands ; fl. June- Aug. Stem stout, 1-2 ft. Spike rather dense-fld. ; bracts 

 equalling or exceeding the corolla. Sepals entire or 2-fid. Corolla 1 in., 

 yellow and purplish, subcampanulate, curved, lobes small, waved, scarcely 



