9 6 The American Flower Garden 



WHITE SNAKEROOT (Eupatorium ageratoides). White. July to Novem- 

 ber; 3 feet. Profusely flowering in loose heads over very long season. 

 Rich woods. 



WILD GINGER, CANADA SNAKEROOT (Asarum Canadense). Curious 

 brownish-purple flowers an inch or more across. April, May; 10 inches. 

 Large kidney-shaped leaves. Flowers borne close to the ground. 

 Rich, shaded woods, or with ferns. Leaves appear very early. 



WILD INDIGO (Baptisia tinctoria). Yellow. June to September; i to 2 

 feet. Dry soils in sun or shade. Invaluable for naturalising on 

 the coast. Flowers pea-like. 



*WiLD SWEET WILLIAM (Phlox maculatd). White or purple. June to 

 August; 3 feet. For moist woods or along streams and in open sun. 

 Flowers in compact pyramids. (See also ROCK GARDEN, p. no.) 



*WlLLOW HERB (Epilobium angusti folium). Rose-purple. July to 

 August; 3 to 5 feet. For rich upland or well-drained soil in open sun. 

 Flowers loosely borne in lax spikes at end of shoots, which also 

 branch. One of the best plants for bold effects, spreading freely. 



WINDFLOWER (Anemone nemorosa). White, tinged purple. April to 

 June; 2 to 4 inches. Partial shade. Excellent for carpeting and 

 woodland borders, and in the grass. Solitary flowers I inch across, 

 like small single roses. (A.Pennsylvanica.) White; 12 to 1 8 inches. 



WINTERGREEN (Gaultberia procumbent). White, followed by bright 

 red berries. June to September; 2 to 6 inches. A low-growing 

 evergreen, with bright green leaves. For woods. Berries last 

 till next season. Difficult to naturalise. Treat like trailing arbutus. 



WooD-LiLY, WAKEROBIN (Trillium grandiflorum). White. May; 8 

 inches to i| feet. For woods and shaded stream borders. The 

 flower is two inches across, carried above 3-partite leaf on single stalk. 

 Very easy to naturalise. Tuberous. The best early white flower 

 for woods. Plant in masses. T. erectum has dark purple flowers. 



*YARROW (Achillea Mi lie folium). White. Summer; 2 feet. Flat heads 

 of very small composite flowers on erect stalk arising from tuft 

 of very finely cut feathery leaves. Pungent odor. For open mead- 

 ows and all sunny places. Var. roseum has pink flowers. Most 

 showy plant for meadows. 



YELLOW-FRINGED ORCHIS (Habenaria ciliaris). Indian yellow. August, 

 September; 2 feet. Pyramids of fringed flowers. Bogs or moist 

 meadows. Very easy to accommodate. 



