taca, Lamk.), of Arabia, to this, but as it does not at all agree 
with Forskahl’s description, I refrain from quoting these 
synonyms. 
Descr. A small, erect, slender, twiggy shrub, pubescent on 
the branchlets, leaves below, and inflorescence. Leaves one 
and a half to two inches long, shortly petioled, ovate- or 
oblong-lanceolate, acuminate, membranous. Stipules ovate- 
subulate. Corymbs few-flowered ; flowers in threes, usually 
shortly pedicelled. Calya-teeth filiform or subulate, except 
one, that forms a white or yellowish, oblong or ovate-cordate, 
membranous leaf, half to three-quarters of an inch long. 
Calyx-tube an inch long and under; Jobes broadly ovate, with 
long acuminate points, pale-yellow.—J. D. H. 
Fig. 1. Flower with foliaceous calyx-lobe removed. 2. Germen. 3. In- 
terior of throat of corolla, with anthers :—all magnified. 
