Descr. Annual. Root of a few wiry, branching fibres. Stem 
4—5 inches to a foot high, dichotomously branched above in a lax 
but paniculated manner, each branchlet terminated by a solitary 
flower: in the axil of the uppermost fork is often a solitary 
pedunculated flower: stem and branches terete, but having four 
slightly winged angles, glabrous, as is every part of the plant. 
Leaves rarely exceeding three-quarters of an inch in length, op- 
posite, ovate, sessile or even subconnate, entire, three- to five- 
nerved. Calyx with the ¢ude clavate (in fruit turbinate), with 
five longitudinal wings: /imé of five, subulate, spreading, almost 
leafy segments. Corolla large, handsome, between rotate and 
infundibuliform: fv4e short, subinflated; Zimd of five broadly 
obovate, spreading segments, of a deep lilac colour; the fawer 
yellow. Stamens five; filaments inserted at the faux. Anther 
linear. Ovary oval. Style shorter than the ovary, forked above. 
Stigmas long, spirally twisted, above clothed with glandular hairs. 
Fig. 1. Corolla, stamens, and pistil. 2. Single stamen. 3. Transverse section 
of immature fruit, showing the placentz and seeds :—magnified. 
