UMBELLIFER Æ. 237 
5 Microprev'ra. Margin of calyx obsolete. Petals equal, 
acute. Fruit deeply 2-lobed at the base, and emarginate at the 
apex ; mericarps obliquely ovate, 7-ribbed ; ribs curvi-linear, 
ventricose at the base, marginal 2 straight. Commissure narrow. 
6 Dipr'scus. Margin of calyx obsolete. Petals oval, blunt- 
ish, imbricate in æstivation (f. 57. c.). Fruit didymous, emar- 
ginate at the base. Mericarps rough from pilose strigæ, 5- 
ribbed: 2 middle ribs approximating the commissure.—Invo- 
lucrum of many leaves which are concrete at the base (f. 57. a.). 
7 Tracnyme'ne. Margin of calyx 5-toothed. Petals ellip- 
tic, acutish, somewhat valvate in estivation. Fruit didymous. 
Mericarps gibbously convex, 5-ribbed: the 3 dorsal ribs and 
the furrows between them muricated: and the 2 lateral ones 
marginating.—Umbels compound. Involucrum of many leaves. 
8 Asrrorricna. Margin of* calyx hardly 5-toothed. Petals 
oval, acutish, permanent (f. 58. b.), velvety on the outside from 
stellate down. Styles thickened at the base (f. 58. ¢.). Mericarps 
contracted at the commissure, having 3 primary dorsal ribs, and 
2 acute nearly obsolete marginating ones, and 4 secondary ones. 
Commissure furnished with 2 vittee, which are covered by a 
spongy pellicle, but none in the furrows.—Involucrum of a few 
linear leaves. 
9 Xanruodsta. Margin of calyx 5-lobed. Petals stipitate, 
oval, cuspidate and replicate at the apex. Styles filiform, rising 
from the base of the stylopodium on the inside. Fruit com- 
pressed, Mericarps contracted at the commissure, with 7-9 
filiform ribs: 2 lateral ribs marginating. 
10 Bowre'sta. Margin of calyx 5-toothed ; tube compres- 
sedly somewhat tetragonal. Petals elliptic, entire, acute. Fruit 
ovate, much contracted at the raphis, turgid, somewhat tetra- 
gonal, flattish on both sides at the back. Mericarps marked with 
an oval impression on the back, having 5 obsolete ribs: 2 lateral 
ribs flat, seated in the commissure. 
11 Fracdsa. Margin of calyx 5-toothed, permanent. Pe- 
tals oval. Fruit didymous. Mericarps somewhat compressed 
from the back, and contracted at the commissure, having filiform 
ribs.—Involucrum equal in length to the pedicels. 
12 Azorr’tta. Margin of calyx 5-toothed, permanent. 
Petals oval. Fruit ovate, contracted at the raphis, and rather 
compressed from the back. Mericarps semi-ovate, having the ribs 
hardly evident.—Involucrum about equal in length to the pe- 
dicels. 
13 Pgcropny’rum. Margin of calyx entire. Petals unequal, 
with an acute inflexed point. Fruit ovate-elliptic ; mericarps 
rather convex on the back, semi-oval, having 5 filiform ribs; 
commissure flattish.—Flowers in crowded fascicles at the tops 
of the branches, solitary in the axils of the bracteas. 
TRE II. 
Mutinez. Mericarps contracted at the commissure, flat or 
Jlattish on the back, without vitte, hence the fruit is square or 
parallelly biscutate. Petals entire. 
14 Borax. Margin of calyx entire. Petals oval. Fruit 
tetragonal ; mericarps with 5 nerve-formed ribs, 1 dorsal, and 
the 2 middle ones form the corners of the angles of the fruit, and 
the 2 inner ones are filiform; commissure very narrow.—Invo- 
lucrum of 4 leaves, equal in length to the pedicels. 
15 Mutixum. Margin of calyx 5-toothed, permanent. Pe- 
tals oval-oblong, acute. Fruit 4-winged ; mericarps furnished 
with 5 ribs: middle one dorsal: 2 lateral ones nerve-formed : 
2 intermediate ones expanded into lateral ample wings.—Invo- 
lucrum of many leaves, shorter than the pedicels. 
16 Lare‘t1a. Margin of calyx 5-toothed. Petals ovate, 
entire. Fruit elliptic, square, flatly compressed from the back ; 
mericarps lenticular, with dorsal ribs and 2 lateral marginal ones, 
destitute of vittæ. Seed flat. 
17 Drv'sa. Margin of calyx entire. Petals oval. Meri- 
carps furnished with 5 ribs: the dorsal one and the 2 inner ones 
linear and hardly prominent: but the 2 intermediate ones are 
drawn out into marginal wings, which are repandly sinuated, 
having the angles expanding in a stellate tuft of uncinate spi- 
nules.—Involucrum wanting. 
18 Huana‘ca. Margin of calyx hardly 5-toothed, Petals 
lanceolate. Fruit ovate, acutish; mericarps flat and furrowed 
on the inside, but convex on the back, and furnished with 3 
elevated lines. Carpophore bifid.—Involucrum of many leaves. 
19 Dirdsis. Margin of calyx bluntly 5-toothed. Petals oval. 
Fruit orbicular, constituting 2 parallel disks (f.55.4.b.); commis- 
sure narrow; mericarps having 5 ribs: dorsal one filiform: 2 
lateral ones hidden: and the 2 middle ones girding the disk ; 
furrows broad and flat.—Umbels compound. 
20 Spana’ntHE. Margin of calyx 5-toothed. Petals ellip- 
tic, acutish, with a straight point. Fruit ovate, much compressed 
at the rachis; mericarps having 5 slender equal ribs: 3 inter- 
mediate ones dorsal: and the 2 lateral ones seated in the flat 
commissure.—Umbels rather compound. Involucrum of many 
leaves. 
21 Homatoca’reus. Margin of calyx 5-toothed ; teeth su- 
bulate. Petals ovate, concave. Fruit roundish-ovate; meri- 
carps having 5 filiform ribs, hidden in the substance of the peri- 
carp, 1 dorsal: 2 lateral ones near the rachis: 2 middle ones 
forming the angles. 
22: Pozòa. Margin of calyx 5-toothed, permanent. Fruit 
prismatic, tetragonal, 5-ribbed, emarginate at the apex; meri- 
carps concave and channelled on the back; ribs lateral, dense, 
straight.—Involucrum crenately lobed; obsoletely toothed. 
23 Asrerrscium. Calyx 5-toothed, permanent; teeth ovate. 
Petals emarginate, with an inflexed point and a callous recess. 
Fruit compressed, tetragonally prismatic ; mericarps with 5 ribs: 
the 2 intermediate ribs expanded into wings: the carinal one and 
the 2 placed near the raphis stripe-formed ; commissure very 
narrow.—Involucrum of many leaves. 
Trige III. 
Sanicu'tem. Fruit ovate-globose. Mericarps destitute of vit- 
ta, with 5 primary ribs ; secondary ribs wanting or obliterated 
by being covered with scales. Petals erect, emarginate, from 
being bent back from the middle by a point. 
