Circa' a. 2 
XXVIII. ONAGRACEvE. 
145 
2. CEnothkra Linn. Evening-Primrose. 
Cal.-limb deciduous, tubular at the base, deeply 4-cleft up- 
wards ; the segments reflexed, more or less combined. Pet. 4. 
Stain. 8. Caps. 4-valved, with many naked seeds. — Named 
from oii’o c, wine, and 3 >tpa, searching or catching ; from the root 
having caught the perfume of wine. 
1. (E. *biennis L. ( common E.) ; leaves ovate-lanceolate 
toothed, stem somewhat hairy, flowers sessile subspicate, stamens 
about as long as the corolla, capsules nearly cylindrical 4- 
toothed. E. B. t. 1534. 
Sandy soils near Liverpool, also in Suffolk and Warwickshire. • 
7 — 9. — This genus is altogether American. Plant 2 — 8 feet high. 
Stem roughish. Flowers yellow, fragrant, expanding in the evening. 
3. Isnardia Linn. Isnardia. 
Cal.-limb 4-partite, permanent. Pet. 4, or wanting. Starn 4. 
Stigma capitate. Caps, obovate or cylindrical, 4-celled, nearly 
dehiscent, many-seeded. Seeds naked. — Named after Antoine 
d’lsnard, a botanist and professor at Paris, in the beginning of 
the last century. — As the genus is defined here it includes 
Ludwigia. 
1. I. palustris L. ( Marsh /.) ; stem procumbent rooting 
glabrous, leaves opposite ovate acute stalked, flowers axillary 
solitary sessile apet.alous, capsule obovate 4-angled. E. B. S. 
t. 2593. Ludwigia Ell. 
South of England, very rare. In a pool at Buxtead, Sussex. Abun- 
dant in a bog on Petersfield Heath; also near Brokenhurst. Hants. 
Jersey. 0. 6 , 7. — Detected by Mr. Goodyer on Petersfield Heath, 
previous to 1G67, but lost sight of until rediscovered in Sussex, by 
Mr. Boner, in 1827. It is frequent on the continent of Europe, in 
N. America, and the temperate parts of Asia. 
4. Circje'a Linn. Enchanter’s Nightshade. 
Cal.-limb deciduous shortly tubular at the base, deeply 
2-cleft upwards. Cor. of 2 petals. Stam. 2. Ovary 1 — 2-celled , 
ovules solitary in each cell, erect. Stigma 2-lobed. Caps. 
hispid with hooked hairs, scarcely dehiscent, 1 — 2-celled ; cells 
1-seeded. — Named from the enchantress Circe ; either from 
the prettiness of its flowers, or, as some say, from its growing 
in damp shady places, where plants used for incantations are 
found. 
1. C. Lutetiana L. ( common E.) ; stem erect pubescent, leaves 
ovate acuminate slightly repand-toothed usually longer than the 
subterete petiole, bracts none, calyx hairy, ovary globose 2- 
celled at length broadly obovate. E. B. t. 1056. 
H 
