26° TRIANDRIA MONOGYNIA. 
emarginate, tube persistent, calicine. Stamina 
exserted. Seed 1, coriaceously coated, obcomic, 
with 5-furrows. : 
Annual or perennial; stem herbaceous, leaves opposite; 
flowers axillary and dichotomously paniculate, or corym- 
bose, from } to 5 in.acommon expanding campanulate, or 
almost peltate involucrum, extremely evanescent, and ge- 
nerally small, 5-parted, lamine deeply emarginate, the 
base persistent and calicine, investing the seed. Stami- 
na3,4 and 5. Stigmacapitate—Nearly allied to the pre- 
ceding genus, and also to Mirabilis. 
Seecies. 1. nyctaginea. Micu. ; 
Uss. Entirely smooth; stem jointed, leaves broad cor- 
’ date, acute; flowers for the most part corymbosely ag- 
gregate, and terminal, also axillary; in stems impertectly 
eveloped, all axillary; involucrum 5-cleft, 3-5-flowered, 
* (and as in all the other species, at length much larger 
~~ than the fruit.) 
‘Root large and tuberous, probably medicinal.—-On the 
| _. alluvions of the, Missouri, common. 
i 2. Albida, Walter. ©. 3. * pilosa. Stem nearly erect, 
hairy; leaves oval or lanceolate-oval, obtuse, entire; flow- 
ers sub-paniculate, axillary and terminal; i 
about 3-flowered. > das ted 
_ Oss. Leaves sometimes hairy; nearly allied to the C. 
} ete SSRABARAT. Near the Missouri,—around the Arikaree 
a ep - : 
) 
jiléoni ovata. Pursh, vol. i. p- 97. The C. avata of 
Peru appears to be but 1-flowered. 
& C. hirsuta. Pursh, perhaps a variety of the above. 
ieee §. C. *angustifolia. Stem round, erect, smooth; inyohi- 
[ . erum and peduncle pubescent; leaves linear, seven, cane? 
= hy subdenticulate; flowers € iculate, and ax- 
Mise . > involucrum mostly Ae 5st. aH ™ = and oe 
