116 PENTANDRIA DYGYNIA. Class V. 
ascending, rigid prickles. Cal. short, broad, acute, nearly equal. Pet. inversely heart-shaped, nearly equal. 
Fl. united. 
628. Oliveria. Leaflets of the involucres 3-parted. Umbels fascicled, as long as the involucres. Petals split 
to the base. Fr. ovate, hispid, with three streaks. 
629. Ledeburia. Involucres O. Fr. ovate, with spreading bristles. Bases of styles 2, conical, connate at base. 
Styles persistent. 
630. Myrrhis. Fr. deeply furrowed. Cal. none. Pet. inversely heart-shaped, rather unequal. Fl. recept. 
none. Flowers imperfectly separated. 
631. Bunium. Fr. slightly ribbed. Cal. small, acute, unequal. Pet. inversely heart-shaped, equal. Fl, 
recept. none. Flowers imperfectly separated. 
D. Fruit solid, nearly round, unarmed, without wings. 
632. CEnanthe. Fr. ribbed, somewhat spongy. Cal. large, lanceolate, acute, spreading, unequal. Pet-, 
inversely heart-shaped, very unequal. Fl. recept. dilated, depressed. Fl. separated. 
633. Crithmum. Fr. ribbed, coriaceous. Cal. small, broad, acute, incurved. Pet. elliptical, acute, in- 
curved, equal. Fl. recept. none. Fl. united, all perfect. 
634. Athamanta. Fr. ribbed, ovate, hairy. Styles short. Cal. lanceolate, acute, incurved. Pet. inversely 
heart-shaped, broadly-pointed, equal. Fl. recept. none. Fl. imperfectly separated. 
635. Pimpinella. Fr. ovate, ribbed, with convex interstices. Styles capillary, as long as fruit. Cal. none. 
Pet. inversely heart-shaped, nearly equal. Fl. recept. none. Fl. either united or dioecious. 
636. Phellandrium. Flowers fertile. Fruit crowned. Fruit ovate, smooth, crowned by the calyx and styles. 
Involucres partial, not universal. 
637. Dondia. Umbels capitate. Involucre 6-leaved, longer than umbel. Petals entire. Fruit ovate, solid, 
with 4 ribs, and convex intervals. 
638. Trachyspermum. Leaves of involucre pinnatifid. Fruit striated, with 5 muricated ribs. Rudiments of 
calyx 5. Fl. receptacle conical. Style withering. 
639. Ammi. Involucre pinnate or pinnatifid. Fruit oblong, with 5 obtuse ribs, and convex intervals. 
640. Bubon. Involucres O. Fruit ovate, solid, hispid, or villous, with 5 ribs, and broadish bands of the inter, 
vals and raphe. 
641. Cuminum. Involucres 5-leaved. Fruit ovate, prismatic, smoothish, bladdery, with 7 ribs, and bearded 
intervals. 
642. Seseli. Common involucre O ; partial 5-leaved, sometimes 1-leaved. Fruit ovate, solid, with 5 acute 
ribs, and furrowed, striated intervals. 
643. Thapsia. Fruit narrow, but little compressed, scarcely ribbed, with 2 dorsal and marginal wings. 
644. Actinotus. Umbel capitate. Involucre wooUy, very large. Cor. O. Cal. 5 sepals. Male flowers mixed 
with hermaphrodite. Fruit ovate, villous, with 5 stripes, crowned by the calyx. 
645. Trinia. Flowers dioecious. Involucre few-leaved. Pet. ovate, lanceolate.- Seeds roundi.sh, with 5 ribs, 
with the intervals once-banded. 
E. Fruit solid, unarmed, without wings, compressed laterally, the diameter of itsjmicture being at least twice as 
narrmv as the opposite diameter. 
646. Slum. Fr. ovate or orbicular, ribbed, furrowed. Cal. small, acute, unequal, or obsolete. Pet. inversely 
heart-shaped or obovate, equal. Styles cylindrical, shorter than the petals. Fl. receptacle none. Fl. uniform, 
united. 
647. Sison. Fr. ovate or nearly orbicular, ribbed. Cal. obsolete or blunt. Pet. elliptical or inversely heart- 
shaped, with an involute point, equal. Styles very short and thick. Fl. recept. none. Fl. uniform, united. 
648. Cicuta. fr. nearly orbicular, heart-shaped at the base, with 6 double ribs. Cal. broad, acute, rather 
unequal. Pet. ovate or slightly heart-shaped, nearly equal. Style scarcely tumid at the base. Fl. recept. de- 
pressed, withering. Fl. uniform, nearly regular, united. 
649. Conium. Fr. ovate, with 10 acute ribs, wavy in an unripe state. Cal. obsolete. Pet. inversely heart- 
shaped, slightly unequal. Styles a little tumid at the base. Fl. recept. dilated, depressed, wavy, permanent. 
Fl. slightly irregular, united. 
650. Smyrnium. Fi*. broader than long, concave at each side, with 6 acute dorsal ribs ; interstices convex. 
Cal. very small, acute. Pet. equal, lanceolate, incurved or inversely heart-shaped. Styles tumid and depressed 
at the base. Fl. recept. none. Fl. nearly regular, partly barren or abortive. 
651. Apium. Fr. roundish, ovate, with 6 acute dorsal ribs ; interstices flat. Pet. roundish, with an inflexed 
point, very nearly equal. Styles greatly swelled at the base. Fl. recept. thin, orbicular, wavy. Fl. nearly re- 
gular, united 
652. ^gopodium. Fr. elliptic-oblong, with equidistant ribs ; interstices flattish. Cal. none. Pet. inversely 
heart-shaped, broad, a little unequal. Style ovate at the base. Fl. recept. none. Fl. united, aU perfect, slightly 
radiate. 
653. Meum. Fr. elliptic, oblong, with equidistant ribs ; interstices flattish. Cal. none. Pet. obovate, with 
an inflexed point, equal. Styles tumid at the base, short, recurved. Fl. recept. none. Fl. united, all perfect, 
regular. 
654. Anethum. Invol. none. Pet. involute, yellow. Seeds compressed, with 3 ribs ; intervals once-banded. 
655. Carum. Fr. elliptic, oblong, with equidistant ribs ; interstices convex. Cal. minute, acute, often obso- 
lete. Pet. inversely heart-shaped, unequal. Styles tumid at the base, subsequently elongated, widely spread- 
ing. Fl. recept. angular, thin, wavy, permanent. Fl. separated, irregular. 
656. Cnidium. Fr. ovate, acute, with equidistant sharp ribs ; interstices deep, concave ; juncture contracted. 
Cal. none. Pet. equal, obovate or inversely heart-shaped. Styles hemispherical at the base ; subsequently 
elongated, spreading, cylindrical. Fl. recept. annular, thin, undulated, erect, afterwards depressed. Flower 
imperfectly separated, nearly regular. 
657. Bupleurum. Fr. ovate-oblong, obtuse, with prominent, acute, abrupt ribs ; interstices flat ; juncture 
contracted. Cal. none. Pet. equal, broadish, wedge-shaped, very short, involute. Styles very short, not ex- 
tending beyond the circumference of their broad tumid bases. Fl. recept. none. Fl. all perfect and regular. 
658. Hydrocotyle. Fl. nearly orbicular, rather broader than long, angular, much compressed, juncture very 
narrow. Cal. none. Pet. equal, ovate, spreading, undivided. Styles cylindrical, shorter than the stamens, tu- 
mid at the base. Fl. recept. none. Fl. all perfect and regular. 
659. Spananthe. Umbel simple, with few rays. Involucre few-leaved. Fruit ovate, solid, smooth, with the 
juncture and sides contracted, and 5 ribs at the back. 
660. Ulospermum. Involucre few-leaved. Germen oblong. Ribs of fruit membranous, wavy, curled. Calyx 
scarcely any. Fl. receptacle flattened. Styles withering. 
F. Fruit solid, unarmed, compressed transversely, the diameter of the juncture being much greater than the op- 
posite diameter. 
661. ^thusa. Seeds ovate, convex, with 5 tumid, rounded, acutely keeled ribs ; interstices deep, acute, an- 
gular ; border none. Cal. pointed, very minute. Pet. inversely heart-shaped, rather angular. Fl. recept. 
none. Fl. all perfect, slightly radiant. 
662. Imperatoria. Seeds obicular, with a notch at each end, a little convex, with 3 prominent dorsal ribs, 
and a dilated, flat, even border. Cal. none. Pet. inversely heart-shaped, very slightly irregular. Fl. recept 
none. Fl. all perfect, scarcely radiant. 
663. Selinum. Scales elliptical, slightly convex, with 3 acute dorsal ribs, and a dilated, flat, even border. 
Cal. minute, pointed, spreading. Pet. inversely heart-shaped, involute, equal. Fl. recept. obsolete. Fl. per- 
fect, regular, a few occasionally abortive. 
