304 SCROPHULARINEJE. [Bartsia. 



large. A nthers yellow, slightly bearded Capsule pubescent, shorter than 

 the calyx. — Distrib. W. Europe, N.W. Africa, W. Asia. 



Section 3. Odonti'tes, Persoon (gen.) Capsule ovate or oblong, 

 compressed, obtuse, Seeds strongly ribbed, pendulous ; hilum basal. 



3. B. Odonti'tes, Huds. ; annual, pubescent, leaves linear-lanceolate 

 distantly serrate. Euphra'sia Odonti'tes, L. Odontites rubra, Pers. 

 Fields and waste places, 1ST. to Orkney ; ascends to 1,200 ft. in the Highlands ; 

 Ireland ; Channel Islands ; fl. June- Aug. — Stem 6-18 in., erect or ascending, 

 wiry, 4-gonous, paniculately branched ; branches opposite, terminating in 

 slender leafy racemes. Leaves J-2 in., sessile, very variable. Sjrikes sub- 

 secund ; lower bracts leafy, upper narrower. Flowers proterogynous, 

 honeyed.. Calyx campanulate ; lobas ovate, acute, as long as the tube. 

 Corolla ^ in., pink, pubescent; upper lip long, entire. Anthers usually 

 exserted, yellow, almost glabrous. Style moderate. Capsule \ in., rather 

 exceeding the calyx. Seeds narrow-oblong. — Distrib. Europe, N. Asia, N. 

 Africa, Himalaya. — Often placed in Euphrasia, and with reason. 

 Var. O. ver'na, Reichb. ; branches ascending, leaves rounded at the base 

 bracts longer than the flowers, calyx-teeth equalling the tube. — Var. O. 

 seroti'na, Reichb. (Euphra'sia rotunda'ta, Ball) ; branches flexuous upcurved, 

 leaves narrow at the base, bracts shorter than the flowers, calyx- teeth 

 equalling the tube. — Var. 0. diver 1 yens, Jord. ; much branched, branches 

 widely spreading. 



lO. EUPHRA'SIA., Tournef. Eyebright. 



Annual or perennial herbs, parasitic on 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, lobes 2, broad spreading ; lower spreading 

 3-fid. Stamens hidden by the upper lip ; anthers-cohering by hairs, cells 

 mucronate. Stigma dilated, obtuse. Capsule oblong compressed, loculi- 

 cidally 2-valved. Seeds few or many, pendulous, oblong or fusiform, 

 furrowed. — Distrib. Temp, regions ; species 20. — Etym. cvppalva,, to 

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



B. officinalis, L. ; annual, lower leaves crenate, upper cut. 



Meadows, heaths, &c, N. to Shetland; ascends to 3,600 ft. in the Highlands; 

 Ireland; Channel Islands; fl. May-Sept. — Glabrous or glandular-pubescent. 

 Stem 1-10 i a., erect, wiry, usually with many opposite branches. Leaves 

 £-| in., sessile, ovate or lanceolate. Spikes terminal ; bracts leafy ; flowers 

 minute. Flowers dimorphous, larger proterogynous, smaller proterandrous. 

 Calyx about equalling the bracts, tube ribbed ; lobes acute. Corolla |-| in., 

 white or lilac, purple veined ; mid-lobe of lower lip yellow. Anthers brown, 

 pubescent, one cell spurred. Capsule included or exserted. Seeds very 

 variable in form and colour. — Distrib. Europe (Arctic), N. and W. Asia, 

 Himalaya, N. America. — Of this plant there are a multitude of forms. 



E. officinalis proper; bracts triangular-ovate base broad, lower corolla-lip 

 equalling or exceeding the tube. — Var. E. grac'ilis, Fries ; more slender, 

 bracts broader, base narrowed, lower corolla-lip shorter than the tube. — 



