BOTANY FOR YOUNG PEOPLE. 157 



nose. Stem panicled. Calyx ovate, mucronate. 

 Scales broad, lanceolate close pressed ; woolly 

 margin. [Canada Thistle.] 



DATURA. Pentandria Monogynia. Calyx 

 tubular, angled, caducous, with a round perma- 

 nent base. Corol funnel form, plaited. Cap- 

 sule four valved. Thorny. 



D. Stramonium. Pericarps spinose, erect 

 ovate. Leaves ovate with angular teeth. 

 [Thorn Apple.] 



DIANTHUS. Decandria Digynia. Calyx in- 

 ferior, cylindric, one leaved, with four scales 

 commonly at base, sometimes eight. Petals 

 five, with claws. Capsules cylindric, one celled. 



D. Barbatus. Flowers fascicled. Scales of 

 the calyx ovate, subulate. Leaves lanceolate. 

 [Sweet William.] 



D. Caryophyllus. Flowers solitary. Calcy- 

 nine scales cylindric, very short. Petals cre- 

 nate. Leaves linear subulate, channelled. 

 [Carnation.] 



D. Chinensis. Flowers solitary. Scales of 

 calyx subulate, spreading, leafy, equalling the 

 tube. Petals crenate, leaves lanceolate. [China 

 Pink.l 



