EVENING PRIMROSE FAMILY. Onagracese. 



Epilobium 

 striatum 

 Lilac 

 July-August 



Epilobium 

 coloratum 

 Lilac 

 July-August 



A similar species with densely soft white 

 hairy stem, leaves, and seed-pod. The 

 leaves broader and less acute than those 

 of the last species, with short stems or 

 none at all. The veins distinct. Flowers 

 like those of the previous species. 1-3 feet high. In 

 bogs from Me., south to Va., and west to Minn. 



A very common species in the north, 

 with a minutely hairy branching stem, 

 often ruddy, and lanceolate leaves, dis- 

 tinctly but not conspicuously toothed, 

 short-stemmed, and yellow-green in color, 

 often ruddy-tinged. The tiny flowers pale lilac, and 

 sometimes nodding ; in fact, all these small-flowered 

 Epildbiums after being plucked show nodding blossoms. 

 Seed-pod green, exceedingly long and slender, the seeds 

 dark brown, the hairy plume, at first pale, finally cinna- 

 mon brown. 1-3 feet high. In wet situations everywhere. 

 Differs from the foregoing species in 

 having erect flowers (though they may 

 nod at first), broader, blunter, and less 

 toothed leaves with shorter stems, and 

 lighter colored seeds with a slight prolon- 

 gation at the top. 1-3 feet high. In wet situations 

 throughout the north ; not south of Pa. The silky 

 plumes of the seeds of these few last small-flowered 

 species described may become grayish white as in E. 

 adenocaulon ; but at first they are absolutely white. At 

 best the Epilobiums are a difficult genus to separate dis- 

 tinctly, and are not a little puzzling to the botanist. 



A very familar biennial, and nocturnal 

 species, with light green leaves more or 

 less lance-shaped, sometimes broad, slight- 

 ly resembling those of the fire weed, 

 slightly toothed or toothless. Large showy 

 pure yellow flowers, lemon-scented, with 

 eight prominent and spreading stamens ; 



Epilobium 

 adenocaulon 

 Lilac 

 July-August 



Common 



Evening 



Primrose 



Oenothera 



biennis 



Pure yellow 



July- August 



296 



