ONAGR ARIA:. 
31 
on the under surface, peduncles short ebracteo- 
lated, calycine lobes 4 ovate acute 5-7-nerved at 
the base, tube obconical subcylindraceo-ovate 4- 
nerved, petals obovate longer than the calyx. 
Lysimachia lutea erecta, major, foliig hirsutis, fructu 
cary ophylloide, Sloane , Jam. 85. — CEnothera assui'gens 
hirsuta, Browne, Jam. 208. — Onagra frutescens et hirsuta, 
flore magno flavo, Plum. Spec. 7. ic. 174. f. 2.— Jus- 
sieua hirta, Swartz, Obs. 143. 
II All. In damp meadows. 
F L. Early in the year. 
Branches towards the end hexangular, hairy. Leaves 
irregular in situation, ovato-lanceolate, attenuated at the 
base. Flowers rather large, yellow, axillary, shortly pe- 
duncled. Calyx externally hirsute. Petals 4, rounded, slight- 
ly obcordate. Base of the style, with an arched line of vil- 
lous hairs, corresponding to the insertion of each alter- 
nate stamen. 
III. IsNARDIA. 
Calycine tube ovate or short, adherent to the 
ovary : limb 4-partite, persistent. Petals either 
4, alternating with the divisions of the calyx, or 
rudimentary or none. Stamens 4, opposite to 
the calycine lobes. Style filiform, deciduous: 
stigma capitate. Capsule obovate or almost 
cylindrical, tetragonal, 4-valved, 4-celled, many 
seeded. 
Aquatic or marsh herbaceous plants. — Name given by 
Linnaeus in the honor of Antoine Dante lsnard, member 
of the Academy of Science. 
1. Isnardia repens. Creeping Isnardia . 
Stem rooting tetragonal glabrous, leaves 
opposite obovate, or ovate and attenuated to- 
wards the base, peduncles axillary shorter than 
the petiole, petals ovate much smaller than the 
calyx, capsule oblong tetragonal. 
