140 
| (ENOTHERA SERRULATA. 
‘Serrulated-leaved Evening Primrose. 
OCTANDRIA MONOGYNIA.—Nar. Orp. ONAGRARLE. 
Gen. Cuar.—Calyx quadrifidus, tubulosus. Petala quatuor: Capsula-qua- 
drilocularis, quadrivalvis, cylindrica, infera. Semina nuda—W. 
(Enothera serrulata ; foliis linearibus spinuloso-serratis acutis, floribus 
axillaribus solitariis, calycis foliolis carinatis, stigmate quadrilobo, 
capsula cylindracea.’ 
CE. serrulata, Nurrauu’s Gen. Amer. Pl. v. i. p- 246.—NurtTrT. in Journ. 
Acad. Nat. Sc. Phil. v. iii. p. 120. 
« A low, perennial, suffruticose plant,” (Nutr.) Stem and branches slender, 
terete, reddish, scarcely pubescent. Leaves alternate, 3 or more inches 
long, linear, tapering at the base, and acuminated at the point, glabrous, 
single-nerved, spinuloso-serrate. 3 
Flowers solitary, of a moderate size ; measuring about an inch and a half i in 
diameter when fully expanded. Calyx funnel«shaped, yellowish, with 
4 acute, at length reflexed, ovate, deeply carinated, lobes. At the base 
of these lobes, within, and forming, as it were, a continuation of the up- 
per part of the funnel-shaped portion of the calyx, are the 4 roundish, 
bright yellow, remarkably crumpled and rather spreading petals. Sta- 
mens 8, alternately shorter, with very short filaments, and linear-oblong 
yellow Anthers. Germen inferior, linear, obtusely 4-angled, green, slight- 
ly pubescent. Style much shorter than the corolla. Stigma peltate, 
deep brown, 4-lobed. : 
Discovered by Mr Nutrauu on the summits of hills, in — 
the plains of the Missouri, and of the Red River, and first’ cul- 
tivated in the garden of the University of Pennsylvania, whence 
seeds were kindly communicated to our garden by Mr Mur- 
RAY. “We have kept it in a ‘pot in the open air, occasionally 
giving it the shelter of a frame. 
VOL. IT. 
