UNNJ:AN NATURAL SYSTKM. 185 



poppy genus and a few genera which resemble it in 

 habit and structure. Papaver or poppy, argemone, 

 chelidonium or celandine, podophyllum or duck's- 

 foot, &c. 



There are no marks of distinction mentioned for the rhwadeee. . 

 Upon being cat, they emit a juice which is white in poppy, and 

 yellow in others. They are all more or less narcotic. 



ORDER XXVIII. LURID*. 



29. The Luridse are an order of plants whose pale and 

 gloomy appearance indicate their baneful and noxious 

 qualities. Digitalis or fox-glove, datura or thorn-apple, 

 solarium or night-shade, &c. 



None of these plants are arboraceous, though some are shrubby. 

 Colour of the herbage mostly dull and lurid ; the taste disagreeable, 

 smell nauseous, hurtful to the nerves, hence their poisonous quali- 

 ties. Leaves alternate in all ; calyx five cleft; corolla monopeta- 

 lous, folded in a plaited manner; stamens four or five ; pistil one ; 

 germen superior; seed-vessel of two cells, in some a berry, others 



ORDER XXIX. CAMPANACEjE. 



30. An order consisting of plants with campanulate 

 or bell-shaped flowers, such as the genera convolvulus 

 and campanula, with their respective allies. 



Leaves in every instance alternate. Calyx and corolla five-cleft ; 

 stamens live ; pistils usually one ; fruit a capsule. They are milky 

 plants, at least while young, and more or less bordering on a poison- 

 ous nature. 



^JRDER XXX. CONTORTS. 



31 . This order derives its name from the corolla being 



R 2 



