PINK AND RED GROUP 



Beautiful Calypso. Northern Calypso 



Calypso bulbosa. — Family, Orchis. Color of sepals and 2 petals, 

 crimson or magenta. Lip variegated. (See Chapter of Variegated 

 Flowers, p. 372.) 



Field or Sheep Sorrel 



Rumex Acetosella. — Family, Buckwheat. Flowers, dioecious 

 (pistils and stamens in different flowers). No corolla. Sepals, 

 green at first, later with the loose achenes, the whole panicle of 

 flowers, including upper stem and leaves, becomes a ruddy color. 

 Leaves, halberd-shaped (eared at base), mostly clustered at root, 

 but some smaller on stem. Upper leaves clasp the stem with 

 thin, silvery, membranous, stipular sheaths. 



Low, sour-tasting herbs, growing from somewhat woody, 

 creeping rootstocks, spreading fast in cultivated ground, 

 often becoming a troublesome weed. So common every- 

 where as to redden the fields where they grow. 



Coast Knotgrass or Seaside Knotweed 



Polygonum maritimum. — Family, Buckwheat. Color, white or 

 pink. (See White Flowers, p. 58.) 



P. prolificum, — Color of sepals, green tipped with pink, giving 

 a rosy hue to the flowers. Stem, rigid, much branched, prostrate 

 or ascending, 1 to 4 feet long. Leaves, small, linear to lance- 

 shaped, growing at the joints of the internodes which are short 

 and sheathed with large, silvery ocrece. These become frayed 

 and bristly. July to September. 



A seashore plant, found from Maine to Florida. 



Persicaria 



P. pennsyUvanicum. — Color, pink. Flowers, in short, thick, 

 obtuse, stiff panicles. Leaves, lance-shaped, very acute at apex, 

 often 8 or 10 inches long, hairy along the midrib. Branches often 

 dotted with little stalked glands. Plant, erect, 1 to 3 feet tall. 

 July to September. 



In moist soil from Nova Scotia to Florida, westward to 

 Texas. Found 2,000 feet high in Virginia. 



Water Smartweed 

 P, acre. — Color, white or light pink. (See White Flowers, 

 P. 58-) 



2 5 J 



