C. 



437 



Epilobium hirsutum. 



Epilobium. Epilolium. 



Pistil (mag.). Vertical section of flower mag.). 



Epilobium, 

 Diagram. 



Epilobium. Epilobium. 



Seed cut vertically (mag.). Ripe seed, furnished with a chalazisn tuft. 



Isnardia palustris. 



Epilobium. Young seed (mag.). Epi^bium. Fruit'. 



