VEGETABLE IRRITANTS. 

 EUPHORBIA LATHYRIS {^British). 



CAPER SPURGE. — CAPER BUSH. — MOLE PLANT. — MYRTLE 

 SPURGE. — EUPHORBIA OIL PLANT. — WILD CAPER. 



Etcphorbiacece. — Leaves oblong-lanceoate, cordate at the 

 base, glaucous. — Bracts cordate. — Umbel 4-cleft. — Capsules 

 smooth. — Thickets. i-2ft. Bienn. July. Greenish. — Stem 

 contains a milky juice. 



Toxic /r2«cz^/M. -EUPHORBIN, OIL OF EUPHORBIA. 



EUPHORBIA AMYGDALOIDES {British). 



WOOD SPURGE. 



Euphorbiacea. — Leaves broadly lanceolate, tapering at the 

 base, hairy beneath.— Bracts perfoliate. — Umbel 5 to 6-cleft, with 

 scattered peduncles below. — Capsules dotted. — Woods. Com- 

 mon. 2-4ft. Perenn. April-June. Yellowish ; glands yellow. 

 — Stem contains a milky juice. 



Toxic principle, — EUPHORBIN, also contained in E. myrti- 

 folia, E. cyparissias. 



HIPPOMANE MANCHINELLA {Central 

 America, West Indies). 



MANCHINEAL TREE. 



Euphorbiacea. — Terrestrial. Tree ; 50ft. Milk-bearing. — 

 The only species of this genus). — Fruit capsular ; of 3 one- 

 seeded cells ; fleshy, sweet smelling, yellowish-green. — Flowers 

 small, inconspicuous, of separate sexes. May. — Leaves stalked, 

 alt, shining green, egg-shaped or elliptical with edges cut into 

 saw-like teeth, having a single gland on upper side at junction 

 of stalk and leaf. — Milk, in all parts of plant, has vesicant 

 properties. 



Toxic principle.— GVU OF EUPHORBIA, also contained in 

 Exceecaria agallocha, Cameraria latifolia. 



PRIMULA SINENSIS {Cultivated in Britain). 



CHINESE PRIMROSE. 



Primulacea. — Greenhouse herb ; perenn. ; gin. — Flowers 

 variously colored, single or double, umbellately racemose. 

 Autumn. — • Spring. — Leaves radical, glaucous, fleshy, with 

 sinuated edges. 



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