Bentham, when monographing the Polemoniacee for De Can- 
dolle’s. Prodromus, in 1845. 
Descr. A slender annual, six to eighteen inches, tall, glabrous, 
or slightly pilose, excessively branched upwards, the branches 
divaricating. Leaves opposite, except in the flowering 
branches, sessile, scaberulous, green, palmately divided into 
three to seven linear, almost acicular, subacute segments, one- 
third to one inch long, with recurved margins. Pedice/s almost 
capillary, terminal and from the forks of the flowering branches. 
Flowers erect, three-quarters to one inch in diameter, white, 
or with a faint purple tinge. Ca/yr one-third shorter than the 
corolla, campanulate, with five triangular subulate lobes which 
are as long asthe tube or shorter. Corolla subulate, tube very 
short, with a hairy ring at the throat: segments obovate, 
erose, very delicate. Stamens inserted in the throat of the 
corolla, filaments unequal, hairy at the very base; anthers 
linear-oblong, yellow. Disk annular. Ovary ovoid, glabrous, 
obtuse ; style slender, stigmas three, linear, rather short; 
ovules many in each cell.—J. D. H. 
Fig. 1, Leaves; 2, flowers; 3, corolla laid open; 4, calyx and stigma; 
5, disk and ovary ; 6, transverse section of ovary :—all magnified, 
