940 EPILOBIACEAE 
Flowers long-peduncled: petals conspicuous 
. leaf-blades sessile: capsule long- pecan 
elongate, curved, with a prominent 4-lobed 
stylopodium at e apex 2. LUDWIGIANTHA. 
Leaves alternate: stem erect or ascending: flov 
ud babe the hypanthium and ie y Sometimes 
owed into a pedicel-like bas 3. ee has 
Star me. 812 T rows. 4. JUSS 
Seeds far rnisnéd with a tuft of duds hairs. 5. C O 
Hypanthium prolonged Dod the ov 
Seeds with a tuft of silky hairs 6. EPILOBIUM. 
Seeds naked or merely tuberculate. 
Flowers pe all the stamens equal in length: eapsule 
lindric or somewhat tetragonal and taper- 
ing ee the apex. 
Ovules and seeds horizontal, borne in 2 or rarely 
m rows, Bomae angled. T. OENOTHERA, 
vules and seeds ascending, ne ngled. 8. RAIMANNIA, 
doses with the alternate stam ao n capsule 
obovoid to AA tetragonal, short. 
a nd seeds s, not tuberculate, clus- 
ied an ae a li. 
Corolla eode nc depressed m. the apex. 
Style ter 
‘ely lobed 
stigma bag. sule t A inged. 9. IXNEIFFIA. 
a le as + narrow stigmas: 
capsule 4- oncle 10. PENIOPHYLLUM. 
Corolla red, purple, or white: pst eee: 11. HARTMANNIA. 
Ovules and seeds few, sessile in 1 or 2 12. LAVAUXIA. 
II 
Herbs with entire, toothed, or pinnatifid lent blades: hypan- 
thium dilated upward in anthesis: achene angled. 15. GAURA. 
III. AEA 
Tender herbs with toothed leaf-blades: petals 2-lobed : fruits 
clavate to pyriforin. 14. CIRCAEA. 
1. ISNARDIA L. Perennial succulent herbs. Leaf-blades relatively 
wide. Flowers axillary. Sepals 4, broad. Petals minute, reddish or green- 
ish, or wanting. Filaments very short. Ovary short. Style wanting or nearly 
so. Capsule obovoid or turbinate.—About 4 species, North American.—MaARsH- 
PURSLANES. WATER-PURSLANES 
Capsule 2.5—6 mm. long; corolla usually wanting. 
Plant glabrous: capsule E turgid and not constricted at the top 
Cap 2.5-3 n : sepals acute. $ I. palustris. 
Cap e 5- 6 m T i Ie acuminate. I. intermedia. 
Plant Dubescent: eius turgid and constricted at the top. 3 I. oo 
Capsule 6-7 mm. long: corolla usually present. 4, I.1 
1. I. palustris L. Leaf bus berets to oval or ovate, 1.5-2.5 cm. 
hypanthium glabrous: buds e: iiu ae green or reddish: petals 
Hips or minute and r eddish: capsa 
. long, = rt-turbinate.—Ditches, x 
shore es, and swamps, various ae Fla. 
o Calif., Ore., "Man and N. S.—(Mez., C. 
ve S. A., 0. W.) cs fall. 
. I. intermedia Small & Alexander. Plant 
similar to I. palustris in habit, but the 
PA buds mostly acuminate: capsule d 
ae pe ‘turbinate or subcylindrie 
oeks, wet shores, and stream- banks. 
pen. . Fla —All 
3. 
blades spatulate to oval, 2-2.5 
I. spathulata (T. & G.) een nd 
ong: 
hypanthium pubeseent: sepals Nm than 
