HOUSTONIA CCERULEA.
FAIRY-FLAX. BLUETT. INNOCENCE. TENUS’ PRIDE. SKY-BLUE
HOUSTONIA.
Tetrandria Monogynia, Linn. Rubiaceæ, Juss.
GENERIC CHARACTER.
Calix 4-toothed. Corolla of 1 petal, funnel-form, 4-cleft. Capsule 2-celled, many-
seeded, half-superior, opening transversely.
SPECIFIC CHARACTER.
Stem erect, dichotomous, sometimes setaceous, convolute; radical leaves pubescent,
spathulated—cauline opposite, oblanceolate, or linear, obtuse peduncles
one-flowered, long ; corolla segments oval, terminating in a sudden,
acute point. B.
SYNONYMS.
H o u s t o n ia Linnæi, Mich.
P o ir e t ia erecta, Gmelin, Syst. 263,
