IRRITANT POISONS 55 



CYSTISUS LABURNUM {Cultivated in Britain). 97. 



COMMON LABURNUM — -BEAN TREFOIL — HE BROOM — FALSE 

 EBONY — GOLDEN RAIN — GOLDEN CHAIN. 



LeguminoscB. — Tree; 30 ft. — Flowers in drooping racemes; 

 corolla papilionaceous; standard large, ovate. — Pedicels and 

 calyces clothed with adpressed pubescence. — Pod with upper 

 suture keeled. — Leaves petiolate, digitate, trifoliate; leaflets 

 ovate-lanceolate; pubescent beneath. — April-June; yellow. 

 (Fatalities.) 



Toxic Principle. — CYSTISINE, also contained in C. hirsutus, 

 C. alpinus and others. Ulex europaeus, Saphora tomentosa, 

 S. speciosa, Baptisia tinctoria. 



Laburnums dropping wells of fire. — Tennyson: " Ifi 3Iemoriam.'' 

 ANDIRA ARAROBA {Bahia). 98. 



GOA-POWDER TREE — ARAROBA-POWDER TREE — BAHIA- 

 POWDER TREE. 



Leguminosce. — A tree; 50 ft. — Flowers yellow, in axillary 

 or terminal panicles. — Leaves alternate, unequally pinnate; 

 leaflets ovate-lanceolate, glabrous. — Pod drupaceous, greenish- 

 yellow, glabrous; pulp fleshy, enclosing a single hard nut. 



ToxicPrinciples.—CHRYSAROBm, CHRYSOPHANIC ACID. 



/ dreamed of a jungle flowered with hurning scents. 

 Moist with the tufts of musk and creeper glooms, 

 A jungle of the Indies drunk with blooms, 

 Where gold of fertile rottenness ferments. 



Samain: " Visions.'" 



Ill 



SIMPLE IRRITANTS 



Symptoms. — Burning pain in the throat and stomach; 

 thirst; nausea; vomiting; tenesmus; purging; dysuria; 

 dyspnoea and cough occasionally. Death through shock; 

 convulsions; exhaustion; or starvation due to injury to 

 throat or stomach. 



