VEGETABLE IRRITANTS. 55 



BRYONIA DIOICA {British). 



RED BERRIED BRYONY. — COMMON WHITE BRYONY. —WHITE 



WILD VINE, — WILD HOP. — DEVIL'S TURNIP. —GRAPE WORT.— 



MANDRAKE. — JIURRAIN BERRIES. — TETTER BERRY. — ISLE OF 



WIGHT VINE. 



CucurbitacecB. — Stems climbing. — Leaves palmate, rough. 

 DicEcious. — Hedges. Common. Perenn. May. Green. 

 Berries red. 



Toxic pri^idpie.-^BRYOmti. 



LIGUSTRUM VULGARE (British). 



COMMON PRIVET. — PRIM PRINT. — PRIM. 



Oleacece. — A shrub. — Leaves elliptic-lanceolate, nearly ever- 

 green, — Hedges and thickets. 4-8ft. June. White. 



Toxic ;«)w?a/)/e,r.— LIGUSTRIN, LIGUSTRON, also contained 

 in L. sinense. 



ASARUM EUROP/EUM {British.) 



ASARABACCA. — CAHARET. — HAZEL WORT. — WILD NARD. 



Aristolochiacecs. — Stems creeping and rooting. — Leaves 

 kidney-shaped, in pairs. — Sepals recurved. — Mountain woods. 

 2-4in. Perenn. May. Brown. 



Toxic principles.— Olh OF BAY. ASARIN, also contained 

 in Pimenta acris. 



VALERIANA OFFICINALIS (British). 



cat's VALERIAN. — MEDICINAL VALERIAN. — ALL HEAL. — CUT 

 FINGER. — CUT HEAL. — HERB BENNET. — ST. GEORGE'S HERB. 



Valerianacece. — Leaves all pinnate ; leaflets lanceolate. — 

 Moist places. Common. 3-4ft. Perenn. June. Pink. 



Toxic Principles. -VALERIANIC ACID, OIL OF VALERIAN 



SAPONARIA OFFICINALIS {British). 



COMMON SOAP WORT. — SOAP WORT GENTIAN. — HEDGE PINK. 

 BOUNCING BET. — CROW SOAP. — FULLER'S HERB. 



Caryophyllacecc. — Leaves ovato-lanceolate, opposite. — Calyx 

 cylindrical. Flowers often double. — Hedge-banks and waste 

 places. 2ft. Perenn. Aug. Pink. 



Toxic principle. — SAPONIN, also contained in Sapindns 

 emarginatus, S. saponaria. 



