The adder's tongue, which is extremely sensitive to the
sunlight, will turn on its stalk to follow it, and expand in its
warmth. At night it nearly closes.
A similar adder's tongue, bearing a white flower, purplish tinged
on the outside, yellow at the base within to guide insects to the
nectaries, is the WHITE ADDER'S TONGUE (E. albidum), rare in the
Eastern States, but quite common westward as far as Texas and
Minnesota.
YELLOW CLINTONIA
(Clintonia borealis) Lily-of-the-valley family
Flowers - Straw color or greenish yellow, less than 1 in. long, 3
to 6 nodding on slender pedicels from the summit of a leafless
scape 6 to 15 in. tall. Perianth of 6 spreading divisions, the 6
stamens attached; style, 3-lobed. Leaves: Dark, glossy, large,
oval to oblong, 2 to 5 (usually 3), sheathing at the base. Fruit.
Oval blue berries on upright pedicels.
Preferred Habitat - Moist, rich, cool woods and thickets.
Flowering Season - May-June.
Distribution - From the Carolinas and Wisconsin far northward.
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