DEVELOPMENT OF PLANTS 



443 



guinaria, is typical of the simpler members of this family (Fig. 

 308). These plants form colonies in rather open, rich woods 

 owing to their fleshy rhizomes, and like many plants with storage 

 organs, flower very early in the spring. The flowers endure for 

 about two days, but the large-lobed leaves are conspicuous fea- 

 tures of the forest carpet for several weeks while they are manu- 





Fig. 308. Examples of the poppy family, order Papaverales: A, habit 

 of the bloodroot at time of flowering — r, rhizome; I, leaf folded about flower 

 Jkalk. B, leaf unfolded. C, section of flower, showing its hypogynous struc- 

 ture with numerous stamens and pistil of two carpels. D, flower of fumitory 

 (Adlumia) — s, sepal; p, inflated petals; w, winged petals which conceal the 

 sporophylls. 



facturing the food for the next season. The large leaves are 

 tightly rolled about the solitary flower and enveloped in a papery 

 sheath as they emerge from the soil. A juice, latex, is found in 

 the majority of the plants of this order, and in this example it is of 

 a blood-red color, thus giving the latin and popular name to the 



