EVENING PRIMROSE FAMILY. Onagraceas. 



A tall i^erennial herb with ruddy stem 

 irewee , or ^^^ dark olive green, lance-shaped, white- 

 Great Willow „ , O ' Jr- J 



Herb ribbed leaves without teeth or nearly so, 



Epilohium resembling those of the willow. The light 



angustifoUnm magenta or rarely white flowers in a ter- 

 Light magenta j^^-^^^j showy spike with four broad and 

 July-August , . , 



conspicuous petals, eight stamens, and a 



prominent pistil. The slender velvety, purple-tinged 

 pods, gracefully curved, open lengthwise and liberate a 

 mass of silky do%vn in late August and September, which 

 gives the plant a wild and dishevelled appearance. 4-7 

 feet high. Common on newl}^ cleared woodland, es- 

 pecially where the ground has been burned over. From 

 Me., south to N. Car., and west to S. Dak. and Tex. 



A foreign perennial species which has 



Hairy Willow , ,- n , - . 



Hgj.jj become naturalized about towns near the 



Epilobium coast. The deep yellow-green leaves ob- 



hirsutum long lance-shaped, finely toothed and stem- 



Magenta jggg rpj^g four-petaled magenta flowers, 



July-August _.., J. , , ^ iii. 



^ inch broad, in a short terminal cluster, 



or between leaf-stem and plant-stem. There are eight 

 stamens. Seed-pod long and slender, the seed wafted by 

 means of a long tuft of silky hairs at the tip. 3-4 feet 

 high, densely soft-hairy, stout and branching. 



A small uncommon species. The stem 

 Epilobium angled or marked with hairy lines, sparse- 



LU^f '^'^ ly finely hairy throughout. The broad 



July-August linear, obtuse leaves erect or ascending, 



and stemless, with curled-back margins. 

 The seed-capsules extremely long and with scarcely ap- 

 parent slender stems. 6-12 inches higli. Flowers the 

 same as in the next species. White Mountains, N. H., 

 and Pa., west to Minn. Found on Mt. AVashington. 



A very slender swamp species, with 

 Epilohium small linear or narrow lance-shaped light 



linenre green leaves with a short but distinct stem, 



July-August ^^^'^ ^^''2/ lil^c or pale magenta flowers, 



scarcely \ inch broad. The whole plant 

 minutely hairy together with the capsule. More branched 

 than the next species. 1-3 feet high. In bogs from 

 Me., southwest to Pa., and west to S. Dak. 



