336- Materia Medica. — Hyoscyamm niger. part ii.

18. Oxymurias Hydrargyri, L. Murias Hydrargyri corro-sivus, E. Murias Hydrargyri corrosivum, D.

19. Liquor Hydrargyri Oxymuriatis, L.ff precipitated; (oxidized.)

20. Submurias Hydrargyri prcecipitatus, E. D.d. With acetous acid; (suboxdizcd.)

21. Acetis Hydrargyri, E. Acetas Hydrargyri, D.

V. By precipitation with earths and alkalies from acid solutions.

a. By lime-water from the nitric solution ; (suboxidizcd.)

22. Hydrargyri Oxydum cinereum, L.

b. By ammonia from the nitric solution ; (suboxidized.)

23- Oxydum Hydrargyri cinereum, E. Pulvis Hydrargyri ci-nereus, D.

c. By ammonia from the muriatic solution ; (oxidized.)

2-1. Submurias Hydrargyri ammoniatum, D. Hydrargyria

Prcecipitatus albas, L.25. Unguentum Submuriatis Hydrargyri ammoniati, D. Ung.

Hydrargyri Prcccipiiali albi, L.

VI. Combined with sulphur.

a. By trituration.

. Sulphuretum Hydrargyri nigrum, E. D.

b. Sublimated.

27. Hydrargyri Sulphuretum rubrum, L. D.

HYOSCYAMUS.' Spec. Plant. Willd. i. 1010.CI. 5. Ord. 1. Pentandria Monogynia. Nat. ord. Luridae, Linn.

Solaneae, Juss.G. 378. Corolla funnel-shaped, obtuse. Stamens inclined. Cap-sule covered with a lid, two-celled.Spec. 1. H. niger. Common Henbane. Med. Dot. Id edit. 204.~ i.?6. Smith Flor. Brit.$98. Eng. Bot.59l.Officinal. Hyoscyami folia et SEMINA, Loud. Hyosciami

XIGRI HERBA ; SEMINA, Edin. HyOSCYAMUS ; HERBA, Dub.

The leaves and seeds of Henbane.

Syn. Jusquiame (F-), Belaenkraut (G.), Giusquiamo nero (I.), KhorassanieAjooan (H. ), Sickran {Arab. )

Common henbane is an indigenous annual, frequent onwaste grounds, and at the sides of roads, particularly on a cal-careous soil, flowering in July. The root is long, tapering,compact, and fibrous; the stem erect, woody, round, andbranched, rising about three feet in height. The leaves arealternate, sessile, and embracing the stem; large, the lower onesbeing above a foot in length; deeply sinuated, undulated,■woolly, and of a sea-green colour. The flowers are in termi-nal, recurved, leafy simple spikes; and each is simple anderect; The calyx is permanent, pitcher-shaped, with a regularfive-cleft border reticulated with veins; the corolla straw-coloured, and beautifully pencilled with a net-work of purpleveins. The filaments arc inserted into the tube of the corolla,tapering, downy at the base, and supporting purple anthers.

1 'Tor icmfios, Hog-bean,