186 DIDYN. ANGIOSP. 



2. ANGIOSPERMIA. 



19. BARTSIA. 



1. B. alpha (simple alpine Bartsia), leaves opposite cordato- 

 ovate obtusely serrated, flowers subspicate, anthers hairy. 

 E. B. *.361/ 



HAB. Rocks to the East of Malghyrdy, Mr. Dickson and Mr. Borrer. 

 Ben Lawers, G. Don. FL June, July. 11 . 



Six inches high, simple. Upper leaves, or bracteas, fine purple. Flow- 

 ers large, deep purplish blue, pubescent, forming a rather short and 

 loose leafy spike. 



2. B. viscosa (yellow viscid Bartsia), leaves lanceolate serrated 

 the upper ones alternate, flowers lateral and distant, anthers 

 hairy. Lightf. p. 321. E. B. 1. 1045. 



HAB. Bogs and marshes, but rare, as about Loch Goyl, near Loch Long, 

 Lightf. Banks of the Clyde at Ardoch Cottage : abundantly be- 

 hind the inn at Arclencaple, Hopk. Gairloch, below Helensburgh, 

 Dr. Brown. Greenock battery, Mr. M. Stark. In a field opposite 

 the hill of Dumbuck, near Dumbarton, Maugh. Fl. Aug. Q . 



Stem erect, simple, 8 10 inches high. Whole plant pubescent and 

 somewhat viscid, drying black. Flowers single, yellow, which Mr. Hop- 

 kirk remarks have an agreeable, faint, musky smell. 



3. B. Odontit.es (red Bartsia), leaves lanceolate upper ones alter- 

 nate, flowers racemed secund, anthers subglabrous, stem branch- 

 ed. Lightf. p. 324 (Evphrasia Odont.). E.B. t. 1415. 



HAB. Corn-fields and waste places, by road-sides. Fl. Aug. Sept. Q. 

 Six to ten or twelve inches high, hairy. Racemes many, long, erect. 



Flowers reddish purple, with protruded anthers, having at their base 



narrow bracteas much smaller than the leaves. 



20. EUPHRASIA. 



1. E. officinalis (Eye-brivkt}, leaves ovate deeply toothed, veins 

 furrowed. Lightf. p. 323. E.B. .1416. 



HAB. Pastures, abundant. K.July. 0. 



Varying in size from 1 inch, in the Alps, to 6 inches, more or less 

 branched. Flowers axillary, but crowded into a head, white or pur- 

 plish, and marked with deeper lines. 



21. RHINANTHUS. 



1. Rh. Crista-Galli (yellow Rattle), upper lip of the cor. arched, 

 calyx glabrous, leaves lanceolate serrated. Lightf. p. 322, 

 E.'B. /.657. 



HAB. Meadows and pastures, abundant. Fl. June. . 



One foot high, glabrous. Stem often spotted with purple. Leaves 

 veined. -Flowers axillary, but somewhat crowded and spiked, yellow. 

 Cal. becoming very large after flowering. When the fruit is ripe 

 the seeds rattle in the husky capsule, find indicate to the Swedish 

 peasantry the season for gathering in their hay. In England, as 



