ONAGRACE^. (eVENING-PRIMROSE FAMILY.) 133 



# Leaves alternate, $essile : JUrwers peduncUd : petals yellow, about equalling the calyx. 



1. li. alternifolio, L. (Seed-box.) Smooth or nearly so, branched 

 (3° high) ; leaves lanceolate, acute or pointed at both ends; pods cnbical, rounded 

 at the ba^e, wing-angled. — Swamps; common southward and near the coast, 

 Aug. — Pods opening first by a hole at the end where the style falls off, after 

 wards splitting in pieces. 



2. Ij, Iiirtella, Kafi jHairy all over ; stems nearly simple (1°- 2° high); 

 leaiws ovate-oblong, or the upper lanceolate, blunt at both ends ; pods nearly as in 

 the last, but scarcely wing-angled. — Moist pine barrens, New Jersey to Virginia, 

 and southward. June - Sept. 



# # Leaves alternate, sessile : flowers sessile : petals minute or none. 



3. Ij. Splia;rocdLrpa, Ell. Nearly smooth, much branched (l°-3'' 

 high); leaves lanceolate, acute, tapering at the base; flowers solitan/, without 

 bractlets ; petals mostly wanting ; pods globular, not longer than the calyx-lobes, very 

 small. — Wet swamps, Massachusetts (Tewksbmy, Greene), Now York (Peeks- 

 kill, R. I. Browne), New Jersey, and thence southward. 



4. Li. polycdrpa, Short & Peter. Smooth, mucb branched ; leaves 

 narrowly lanceolate, acute at both ends ; flowers often clustered in the axils, with- 

 out petals ; bractlets on the base of the i-sided top-shaped pod, which is longer than 

 the calyx-lobes. — Swamps, Michigan, Indiana, and Kentucky. Aug. — Stem 

 1° - 3° high, sometimes with runners. 



5. Li. linearis, Walt. Smooth, slender (1° high), often branched, with 

 narrow lanceolate or linear leaves ; bearing short rnnnei-s with obovatc leaves ; 

 flowers solitary, usually with {greenish-yellow) petals ; bractlets minute ; pods elon- 

 gated top-sluiped, 4-sided, much longer than the calyx. — Bogs, pine barrens of New 

 Jersey and southward. Aug. 



# # # Leaves opposite, petioled: flowers sessile : petals none or small. (Isnardia, L.) 



6. Jj, palustriS, BU. (Watek Pdkslane.) Smooth, low ; stems pro- 

 cumbent, rooting or floating ; loaves ovate or oval, tapering into a slender peti- 

 ole; calyx-lobes very short; pods oblong, 4-sided, not tapering at the base. 

 (Isnardia palustris, £.) — Ditches, common. July-Oct. — Petals rarely pres- 

 ent, small and reddish when tlie plant grows out of water. (Eu.) 



# * * * Leaves opposite, sessile : flmoers long-peduncled : petals exceeding the calyx. 



7. Li. arcitata, Walt. Smooth, small and creeping; leaves oblanceo- 

 late; flowers solitary, yellow (^' broad); peduncles J'-l' long; pods oblong- 

 club-shaped somewhat curved (J' long). — Swamps, Eastern Virginia and south- 

 ward. May. 



6. CIRCiE!A, Toum. Enchanter's Nightshade. 



Calyx-tube slightly prolonged, the end filled by a cup-shaped disk, deciduous; 

 lobes 2, reflexed. Petals 2, inversely heart-shaped. Stamens 2. Pod obovate, 

 1 - 2-celled, bristly with hooked hairs : cells 1 -seeded. — Low and inconspicuous 

 perennials, with opposite thin leaves on slender petioles, and small whitish 

 flowers in racemes. (Named from Circe, the enchantress.) 

 12 



