246 OOTANDRIA. MONOGYNIA, 
~ 
sule ponent. grooved.—(E. albicaulis, Pursh, Flor. Am. 
2. p. Allied to 2. tetraptera, but very different in the 
_.\ Gapsule and style. Hae. On the banks of the Missouri 
_ near White river, in denudated argillaceous tracts. An- 
nual, and flowering in May and June. Flowers large and 
white, becoming reddish on withering. In arid situa- 
tions not more than 4 or 6 inches high, in other places 1 
or 2 feet, but always decumbent; tube of the calix longer 
than the germ; capsule an inch long, not more than a line 
and a half wide, quadrangular, and slightly margined. 
9. * cespitosa. Cespitose and stemless; leaves lanceolate, 
sinuately or 'y toothed, smooth, petals very large, 
dilatedly subbilobed; tube of the calix very long; capsule 
subconic-oblong, sessile, margin ‘of the valves cristately 
g. On denudated and arid argillaceous hills 
. 
muricate. Ha 
©. “enethe banks of the Missouri, from White river to the 
 Mandans, ‘and in all probability to the commencement of 
- the mountains. Ons, aa ssa of the calix carinate, ap- 
’ ing prismatic before flowering; seeds cylindric-ovates 
plant 3 or 4 inches high, tube of the calix two and a half 
inches, flower ofien 3 inches in diameter. This species 
is considerably allied to (E. acaulis, which produces pin- 
natifid leaves and alated capsules, in this the leaves 
are entire, and the capsules considerable like those of 
£. biennis, cylindric-eonic, and tuberculately crested 
along the margins of the valves; the flowers are white, of 
uncommon magnitude, and become tinged with red in 
withering: where its duration is long continued it produ- 
ces numerous cespitose tufts, hut from appearances of 
this kind its existence is seldom continued through more 
_ than 5 or 7 years. ee 
 -10.* serrata. Stem low, slender and suffruticose, mi- 
nutely pubescent, as well as the under side of the leaves 
and capsules; leaves oblong-linear, irregularly serrulate 
flowers distant, axillary; calix sessile, angular, funnel- 
form; capsule prismatic, slender; petals roundish, entire; 
stamina and style very short; stigma almost undivided, 4- 
toothed. Has. From the river Platte to the mountains, 
on dry hills; flowering in June. Somewhat allied to CE. 
__ dentata, but appears very different on inspecting the figure 
of that species in the Flora Peruviana. Ons. Stem simple, 
slender, 3 to 12 inches high, foliose; leaves a little more 
‘than an inch 2 to 3 lines wide, attenuated downwards, 
not toothed; flowers a little larger 
r 
than those of (E. sinuata, bright yellow; calix quadran- — 
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