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. pennsylvaniaim. — 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.) 



25 1 



