BLUE AND PURPLE 



with the late summer months. The flower might easily be taken 

 for a purple aster which had mistaken the season, or for a blue 

 daisy, as one of its common names suggests. E. Philadelphicus 

 is a later very similar species with smaller flower-heads. 



ONE-FLOWERED CANCER-ROOT. 



Aphyllon uniflorum. Broom-Rape Family. 



Scape. Slender, fleshy, three to five inches high, one-flowered. Leaves. 

 None. Flower. Pale purple, solitary, one inch long, with a delicate 

 fragrance. Calyx. Five-cleft. Corolla. Somewhat two-lipped, with two 

 yellow bearded folds in the throat. Stamens. Four. Pistil. One. 



In April or May the odd pretty flower of the parasitic one- 

 flowered cancer-root is found in the damp woodlands. 



VIOLET WOOD SORREL. 



Oxalis violacea. Geranium Family. 



Scape. Five to nine inches high, several-flowered. Leaves. Divided 

 into three clover-like leaflets. Floivers. Violet-colored, clustered on the 

 scape. Calyx. Of five sepals. Corolla. Of five petals. Stamens. Ten. 

 Pistil. One, with five styles. 



This little plant is found in somewhat open or rocky woods, 

 its lovely delicate flower - clusters appearing in May or June. 

 This species is more common southward, while the pink-veined 

 wood sorrel (PI. XVII.) abounds in the cool woods of the North. 



PITCHER PLANT. SIDE-SADDLE FLOWER. HUNTSMAN'S CUP. 



Sarracenia purpurea. Pitcher-plant Family. 



Scape. Naked, one-flowered, about one foot high. Leaves. Pitcher- 

 shaped, broadly winged, hooded. Flower. Red-purple, large, nodding. 

 Calyx. Of five colored sepals, with three bractlets at the base. Corolla. 

 Of five fiddle-shaped petals which are arched over the greenish -yellow style. 

 Stamens. Numerous. Pistil. One, with a short style which expands at 

 the summit into a petal-like umbrella-shaped body, with five small hooked 

 stigmas. 



The large nodding flower of the pitcher-plant may be found 

 during June in the peat-bogs of New England as well as farther 

 south and west. It is less familiar to most people than the 



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