272 SCROPHULARINE^. [BARTSIA. 



calyx-teeth shorter than the tube, anthers included. Sussex and Cambridge 

 (I have seen no specimens). VAR. 4, diverge/a, Jord. (sp.) ; much branched, 

 branches widely spreading. 



10. EUPHRA SIA, Tournef. EYEBRIGHT. 



Annual or perennial herbs, on parasitic roots. Leaves opposite, toothed or 

 cut. Flowers in dense secund or interrupted bracteate spikes, white yellow 

 or purple. Calyx tubular or campanulate, 4-fid. Corolla tubular, 2-lipped ; 

 upper lip concave, 2-lobed, lobes broad spreading ; lower spreading 3-fid. 

 Stamens hidden by the upper lip ; anther-cells mucronate. Stigma dilated, 

 obtuse, entire or with a small posterior lobe. Capsule oblong, compressed, 

 loculicidally 2-valved, few or many-seeded. Seeds pendulous, oblong, 

 furrowed. DISTEIB. Temp, regions ; species 12. ETYM. ftypavoivw, to 

 clear, in allusion to its former use as an eye-medicine. 



1. E. officina lis, L. ; annual, lower leaves creuate, upper cut. 

 Meadows, heaths, &c. ; ascending to 3,600 ft. in the Highlands; fl. May- 

 Sept. Glabrous or glandular-pubescent. Stem 1-10 in., erect, wiry, usually 

 with many opposite branches. Leaves fc-% in., sessile, ovate or lanceolate-. 

 Spikes terminal ; bracts leafy ; flowers minute. Cah/x about equalling tho 

 bracts, tube ribbed; lobes acute. Corolla - in., 'white or lilac, purple- 

 veined ; mid-lobe of lower lip yellow. A nthers brown, pubescent, one 

 cell spurred. Capsule included or exserted. Seeds as in Bartsia Oifontifis. 

 DISTRIB. Europe (Arctic), N. Asia, W. Asia to the Himalaya, N. America. 

 VAR. 1, qfiirina'lw proper ; bracts triangular-ovate broad at the base, lower 

 corolla-lip equalling or exceeding the tube. VAR. 2, grac'ilis, Fries (sp.) ; 

 more slender, bracts broader narrowed at the base, lower corolla-lip shorter 

 than the tube. VAR. 3, maritfima; capsule much longer than the calyx. 

 Shores of the Shetlands. 



11. RHINAN'THUS, L. YELLOW-RATTLE. 



Annual erect herbs, bkck when dry, on parasitic roots. Leaves opposite, 

 narrow, serrate. Flowers in secund spikes, yellow spotted with violet ; 

 bracts broad, cut, cuspidate-toothed. Calyx ventricose, compressed, 

 4-toothed. Corolla 2-lipped, tube subcylindric ; upper lip obtuse com- 

 pressed, entire, with a toothed appendage on each side the tip ; lower 

 shorter, lobes 3 spreading. Stamens 4, hidden by the upper lip ; anthers 

 hairy, not spurred. Style filiform, tip inflexed, stigma subcapitate. 

 Capsule orbicular, compressed, loculicidally 2-valved ; valves membranous, 

 entire, bearing the placentas in the middle. Seeds suborbicular, com- 

 pressed, winged, hilum lateral ; embryo small. DISTRIB. Europe (Arctic), 

 excl. Turkey, N. Asia, N. America. ETYM. plt>, the nose, and &i>Oos,Jlm'-i/; 

 in allusion to the form of the corolla. 



1. R. Crista-gal'U, L. ; erect, leaves deeply crenate-serrate. 

 Damp pastures and wet places ; ascending to 2,500 ft. in the Highlands ; 

 fl. May-July. Glabrous or glandular-pubescent. Stem 6-18 in., simple or 

 with opposite branches, 4-gonous. Leaves distant, 1-2 in., oblong-lanceolate 

 or linear-oblong, obtuse or acute. Bracts longer than the calyx, ovate, 

 taper-pointed. Calyx J- in., mouth small, teeth triangular. Corolla 

 -1 in., yellow ; lobes of upper lip blue. AtUfitrt included, bluish. Capsule 

 included in the bladdery calyx-tube. 



