PLATE XVII. 



L CHELIDONIUM GLAUCUM. 



YELLOW-HORNED POPPY. 



This genus furnishes a plant of the liardy herbaceous flower}'- 

 kind. 



It belongs to the class and order Poli/andria Monogynia, and ranks 

 in the natural order of Bhocadae. 



The characters are: that the calyx is a two-leaved roundish pe- 

 rianthium: leaflets subovate, concave, obtuse, caducous: the corolla 

 has four roundish flat petals, spreading, large, narrower at the base: 

 the slamina consist of very many filaments (thirty), flat, broader at 

 top, shorter than the corolla: the anlhers are oblong, compressed, 

 obtuse, (?rect, and twin: the pislillum is a cylindric germ, the length 

 of the stamens: there is no style: the sligma headed and bifid: the 

 pericarpium is a cylindric silique, sub-bivalve: the seeds very many, 

 ovale, increased, and shining: the receplacle linear, between the 

 valves of a kind of circumambient suture, not gaping. 



The species Avortliy of cultivation as an ornamental plant is 

 C. glaucum, Sea Celandine, or Yellow-horned Poppy. 



It has a strong stem : the root-leaves are pinnatifid, Avaved, va- 

 riously lobcd, and indented ; pinnas gradually larger upwards<; hairy 

 on both sides: stem-leaves embracing, deepi}' indented, rough above, 

 smooth beneath: the branches are dichotomous: the flowers are of 

 a scarlet colour, and succeeded by long horn-shaped pods. The 

 root, according to some, is annual, but others assert it to be pe- 

 rennial. 



Culture. — These plants are raised from seed, which should be 

 sown either in the autumn or spring v,here the plants are to remain; 



