BARTSIA.] SCROPHULARINE^. 271 



cells mucronate. Stigma obtuse, sometimes 2-lobed, posticous lobe very 

 small. Capsule ovoid or oblong, compressed, loculicidally 2-valved, septa 

 and placentas attached to the valves. Seeds transversely ovoid. DISTRIB. 

 N. temp, regions of the Old World ; species about 30. ETYM. John 

 Bartsch, a Prussian botanist. 



SUB-GEN. 1. Bart'sia proper. Capsule ovoid, acuminate. Seeds many, 

 large, ribbed or winged on the back ; hilum lateral. 



1. B. alpi'na, L. ; perennial, glandular-pubescent, leaves sessile ovate 

 obtusely serrate, upper cordate amplexicaul. 



Subalpine meadows and wet banks, Teesdale ; Craven, and Orton in Westmore- 

 land ; Braedalbane and Mts. of Inverness and Ross; ascends to near 3,000 ft. 

 in Scotland, absent from Ireland ; fl. June- Aug. Black when dry. Rootstock 

 woody. Stem 4-8 in., erect, simple, terete, leafy. Leaves ^-f in., rather cori- 

 aceous, obtuse. Spike short, few-flowered ; bracts purplish. Calyx-lobes 

 ovate-lanceolate. Corolla - f in., dull blue-purple, glandular, lips small. 

 Antfters exserted, bearded with white hairs. Capsule longer than the sepals. 

 DISTRIB. Europe (Arctic) from Gothland northwards, alps of France 

 Germany and Italy, Greenland, Labrador. 



SUB-GEN. 2. Eufra'gia, Griseb. (gen.). Capsule oblong, acute. Seeds 

 very minute, faintly granulate ; hilum basal. 



2. B. visco'sa, L. ; annual, viscid, leaves sessile ovate or oblong-lanceo- 

 late coarsely serrate. 



Meadows, &c., S. and W. of England, from Sussex to Cornwall, and north- 

 wards to Argyle ; S. W. of Ireland, local ; Channel Is. ; fl. June-Oct. Stem 

 6-18 in., terete, usually simple, often flowering throughout much of its 

 length. Leaves |-li in., rather scabrid, nerves prominent beneath. Calyx- 

 lube curved ; lobes triangular lanceolate, acuminate. Corolla f in., yellow, 

 glandular; lower lip large. Anthers yellow, slightly bearded. Capsule 

 pubescent, shorter than the calyx. DISTRIB. W. Europe from Spain to 

 Switzerland and Lombardy, N. Africa, the Caucasus, Caspian. 



SUB-GEN. 3. Odonti'tes, Persoon (gen.). Capsule ovate or oblong, 

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



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

 distantly serrate. Euphrasia Odontites, L. 



Fields and waste places ; ascends to 1,200 ft. in the Highlands ; 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. Spikes subsecund ; lower bracts leafy, upper nar- 

 rower. Cahjx campanulate ; lobes ovate, acute, as long as the tube. Corolla 

 $ in., pink, pubescent; upper lip long, entire; lower 3-lobed. A nthers usually 

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

 exceeding the calyx. Seeds narrow-oblong. DISTRIB. Europe, N. Africa, 

 Siberia, Dahuria. Often placed in Euphrasia, and with reason. 



VAR. 1, ver'na, Reich, (sp.); branches ascending, leaves rounded at the base, 

 bracts longer than the flowers, calyx-teeth equalling the tube. VAR. 2, 

 seroti'na, Reich, (sp.); branches flexuous upcurved, leaves narrow at the 

 base, bracts shorter than the flowers, calyx-teeth equalling the tube. 

 VAR. 3, rotunda' ta, Ball (sp. ) ; bracts equalling the flowers or shorter, 



