NAT. ORD. SCROPHULARIACEÆ.

PENTSTEMON BEARD-TONGUE.

_Pentstemon pubescens._

“Flowers spring up and die ungathered.”

THE wild Pentstemon is a slender, elegant branching plant, not unlike in

outline to the fox-glove. The flowers are delicately shaded from white

to pale azure-blue, sometimes varying to deeper blue. The corolla is an

inflated slender tube, somewhat flattened on the upper side, with a

rigid line passing from the base of the tube to the upper lip. There are

also two bearded lines within. The lower lip is three-cleft and slightly

projecting beyond the two-lobed upper lip; the stamens are five, but one

is sterile and thickly beset with fine white hairs (or bearded). The

name is derived from a Greek word signifying _five_. The root leaves are

broadly lanceolate and coarsely toothed; the upper or stem-leaves

narrower, and nearly clasping the stem. The flowers grow on long

branching stalks in a loose panicle.

The plant is perennial, from one to two feet in height; it seems

addicted to dry gravelly soil on river banks and dry pastures. The

Beard-tongue would be well worthy of cultivation; though less showy than

the garden varieties, it is not less beautiful and keeps in bloom a long

time, from July to September; it might be mixed with the red flowering

plants of the garden to great advantage.

* * * * *

[Illustration: _PLATE VIII._]

1 NYMPHÆA ODORATA

(Sweet scented Water Lily)

2 NUPHAR ADVENA

(Yellow Pond-Lily)

(Spatter dock)

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North American Wild Flowers · 第 37 / 42 题