34 



THE EDITOR'S MEDICAL BOTANY. 



THIRTEENTH CLASS, POLYANDRIA. 



White Poppy (Papaver somniferum). 



This annual plant, which belongs 

 to the Jussieuan order, Papaveracece y 

 is a native of Asia, extensively culti- 

 vated, flowering, with us, in June 

 and July. The flower is large, and 

 usually white, but varieties of red 

 and purple colour are not uncommon. 

 The calyx has two large smooth 

 leaves ; the corolla has four large 

 wavy petals ; the seeds, sometimes 

 called maw seed, are numerous, 

 small, and greyish white. The seed- 

 heads (not the seeds) are the part 

 used, as well as the concrete juice 

 or opium, procured from them by 

 incision. 



a The seed-organ, showing the 

 stamens attached to the receptacle. 

 b The fruit. 



FOURTEENTH CLASS, DIDYNAMIA. 



Foxglove {Digitalis purpurea). 



This biennial plant, which belongs 

 to the Jussieuan order, Scrqfularice, 

 is a native of Britain, flowering from 

 June till August. The flowers, 

 which are large and purplish red, 

 grow all on one side in a fine showy 

 spike. The calyx is five-parted, the 

 uppermost division the narrowest ; 

 the corolla has one large bell -shaped 

 petal, spotted and hairy within, the 

 upper lip slightly cleft; the seed 

 organ has a double partition with 

 many seeds. The leaves, gathered 

 when the plant is in flower, are the 

 part used. 



a Part of a flower, showing the 

 four stamens, two short and two 

 long. 



b The pistil. 



