PINK AND ROSE-COLORED FLOWERS 125 



AMPHIBIOUS KNOTWEED (Polygonum amphibium). 



Buckwheat family. 



Stout, growing in water; spike (at end of 

 stem) sometimes i in. long; flowers small, rose- 

 colored; 5 divisions of calyx resembling petals; 

 stamens 5; style projecting; leaves usually 

 thick, generally with long stalks, oblong. Ponds. 

 Summer. 



HAIRY BUSH CLOVER (Lespedeza polystachya) . Pulse 



family. 



Max. ht. 4 ft.; stem soft-hairy; spikes short and 

 thick, flowers small, papilionaceous, with purple 

 spot on upper petal (standard) ; leaflets (3) rounded, 

 without teeth. Dry ground. Late summer and 

 autumn. Common. 



PINK KNOTWEED (Polygonum Pennsylvanicum). Buck- 

 wheat family. 



Max. ht. 4 ft. ; branching, enlarged at joints; flowers 

 small in dense spikes sometimes over i in. long; 5 

 divisions of calyx resembling petals; leaves lance- 

 shaped; long pointed. Moist ground. Late summer 

 and early autumn. 



LADY'S THUMB (Polygonum Persicaria). Buckwheat 



family. 



Ht. 2 ft. or under, similar to above; leaves often 

 with dark spot in middle. Early summer autumn. 

 (Called Hearts-ease in some localities.) 



See also PURPLE FRINGED ORCHIS (Purple 24). 



17. Leaves otherwise than opposite or whorled, upright herb, 

 flowers in raceme, plant not over 1 ft. 



THREAD-LEAVED SUNDEW (Drosera filiformis). Sundew 



family. 



Av. ht. i ft. ; delicate raceme of small flowers with 

 5 petals, 5 stamens and 3 styles; leaves (from base 

 only) very long and thread-like, covered with bristles. 

 In sand on coast. Summer. 



