UMBELLIFER&. 
ending in an involute point; of the hermaphrodite flowers 
ovate, with a short inflexed point. Fruit ovate ; ribs filiform, 
rather prominent ; furrows without vittze, or furnished with 1 
vitta each, Carpophore flat, bipartite from the base.—Umbels 
disposed in a panicle or thyrse, without any involucra ; involu- 
cels usually wanting. 
41 Hezoscia‘p1um. Margin of calyx 5-toothed, or obsolete. 
Petals ovate, entire, with a straight or inflexed point. Styles 
short. Fruit ovate or oblong; ribs filiform, rather pro- 
minent ; furrows furnished with 1 vitta each. Carpophore en- 
tire. Involucra variable in the different sections. 
42 Discorreu'ra. Teeth of calyx 5, subulate, permanent 
(f. 61. e.) Petals ovate, emarginate (f. 61. b.), with a replicate 
point (f. 61. f.). Fruit ovate (f. 61. c.). Three dorsal ribs 
filiform, exserted, and acutish: 2 lateral ones somewhat con- 
crete with the thick accessory margin, forming a disk on both sides 
of the fruit; furrows furnished with 1 vitta each. Carpophore 
bifid.—Involucels of a few linear setaceous leaflets (f. 61. g.). 
43 Leprocav'tis. Margin of calyx obsolete (f. 62. a.). 
Petals elliptic, entire. Styles permanent. Fruit ovate (f. 62. a.); 
ribs hardly prominent; furrows furnished with 1 vitta. Car- 
pophore bifid at the very apex.—Involucra wanting ; involucels 
short, few-leaved. 
44 Prycno'r1s, Margin of calyx 5-toothed. Petals obovate, 
bifidly emarginate, furnished by a transverse plait in the middle, 
which emits a little segment. Fruit ovate or oblong ; ribs fili- 
form; furrows furnished with 1 vitta each. Carpophore bipar- 
tite—Involucrum variable; involucels of many leaves. 
45 Farca'rta. Margin of calyx 5-toothed; tube wanting in 
the sterile flowers, but cylindrical in the fertile ones. Petals 
obovate, curved, having a broad emarginate recess, with a re- 
flexed point. Styles divaricate. Fruit oblong; ribs filiform; 
carpophore distinct, bifid ; furrows furnished with 1 filiform vitta 
each.—Involucrum of many leaves. Involucel somewhat di- 
midiate from the inner leaflets being small on one side. 
46 Srson. Margin of calyx obsolete. Petals roundish, 
curved, deeply emarginate, with an inflexed point. Styles very 
Short. Fruit ovate; ribs filiform; vittee l- in each furrow, 
short, rather club-shaped ; carpophore bipartite.—Involucra and 
involucels of few leaves. 
47 Scnvu‘trzia. Margin of calyx obsolete. Petals elliptic, 
with a short inflexed point. Stylopodium conical. Styles erect, 
Somewhat capitate at the apex, permanent. Fruit cylindrically 
prismatic ; ribs filiform ; vittæ 1 in each furrow. Carpophore 
undivided.—Involucra and involucels of many multifid leaves. 
48 A'mmı. Margin of calyx obsolete. Petals obovate, with 
an inflexed point, emarginately 2-lobed ; lobes unequal, irre- 
gular ; those on the outside of the umbels the largest. Fruit 
Ovate-oblong ; ribs filiform; vittee 1 in each furrow. Carpo- 
Phore distinct, 2-parted.—Involucra of many trifid or pinna- 
tifid leaves; involucels of many leaves. 
49 ZEcoro‘pium. Margin of calyx obsolete. Petals obovate. 
eMarginate, with an inflexed point. Stylopodium distinct, coni- 
cal, terminated by the long deflexed styles. Fruit ovate; ribs 
1 
239 
filiform ; furrows without vitte ; carpophore setaceous, forked 
Involucra and involucels wanting. 
50 Ca‘rum. Margin of calyx obsolete. Petals regular, obo- 
vate, emarginate, with an inflexed point. Stylopodium de- 
pressed ; styles deflexed. Fruit ovate or oblong, contracted from 
the sides ; ribs filiform; vittæ 1 in each furrow, and 2 in the 
commissure, which is flat; carpophore distinct, forked at the 
apex.—Involucra and involucels variable in the different spe- 
at the apex. 
cies, 
51 Cuamascia‘pium. Margin of calyx toothed a little. Pe- 
tals ovate-lanceolate, quite entire, with an oblique or inflexed . 
Stylopodium depressed ; styles at length deflexed. Fruit 
ovate-oblong ; mericarps solid ; ribs filiform; vittee 3-4 in each 
furrow, and 4-6 in the commissure ; carpophore adnate, bifid at 
the apex.—Involucra and involucels of many leaves. 
52 Bu'nium. Margin of calyx obsolete. Petals obovate, 
emarginate, with an inflexed point. Fruit linear-oblong ; ribs 
filiform, obtuse ; vittæ 2-3 in each furrow, and 4 in the com- 
missure, all superficial, Carpophore distinct, bifid—Involu- 
cra variable in the different species ; involucels of few leaves. 
53 Cryrtor#'x1a. Margin of calyx obsolete. Petals obo- 
vate, nearly entire, narrowed into an inflexed point. Fruit con- 
tracted from the sides, linear-oblong, crowned by the short stylo- 
podium and straight styles ; ribs filiform, obtuse: 2 Jateral ones _ 
placed in front of the margins; vittee numerous in the furrows, 
covered by a corky pericarp, and are not visible, unless when 
the pericarps are cut transversely.—Involucra wanting; invo- 
lucels few-leaved. 
54 Prprne’tta. Margin of calyx obsolete. Petals obovate, 
emarginate, with an inflexed point. Fruit ovate, contracted from 
the sides, crowned by the cushion-like stylopodium and styles, 
which are reflexed and somewhat capitate at the apex : ribs fili- 
form; vittze numerous on the furrows; carpophore distinct, 
bifid.—Involucra and involucels wanting. 
55 Strum. Margin of calyx 5-toothed, but at length obsolete. 
Petals obovate, emarginate, with an inflexed point. Stylopo- 
dium pulvinate, with a depressed margin. Styles divergingly 
reflexed, somewhat capitate at the apex. Fruit compressed or 
contracted from the sides, crowned by the stylopodium and styles ; 
ribs filiform, bluntish; vittæ many, both in the furrows and 
commissure. Carpophore bipartite, having the mericarps ad- 
hering to its parts.—Involucra of many leaves, rarely of 1 leaf; 
involucels of many leaves. 
56 Burtev‘rum. Margin of calyx obsolete. Petals roundish, 
entire, closely involute, ending in a broad retuse segment. Fruit 
crowned by the depressed stylopodium ; ribs winged, acute, fili- 
form, or obsolete; furrows either with or without vittee, smooth 
or granular.—Involucra variable in the different species. Flowers 
white, yellow, and greenish. 
57 Heteromorrua. Margin of calyx 5-toothed. Petals 
roundish, entire, closely involute, ending in a broad retuse point. 
Fruit obovately pear-shaped, 3 winged ; mericarps of 2 forms: 
outer one 2-winged: inner one 3-winged; the wings running 
from the teeth of the calyx; vittee 1 in each furrow, and 2 in 
point. 
