CLASS III. OB DE R L 35 
Collinso'nia. Calyx tubular, S lipped, 
upper lip 3-toothed ; corolla funnel-form, 
unequal, under lip many-cleft, capillary ; 
one perfect seed, (horse-balm.) 
Rosmari'nus. Corolla riugent, upper lip 
2- parted ; filaments long, curved, simple, 
with a tooth, (rosemary.) Ex. 
D. Corolla superior 
Circ^'a. Calyx 2-leaved or 2-parted ; 
corolla 2-petalled ; capsule hispid, 2-celled, 
not gaping ; cells 1 or 2-seeded, seeds ob- 
long, (enchanter's nightshade.) 
ORDER II. DYGYNIA. 
Anthoxan"thum, Calyx of two, egg- 
shaped, pointed, concave, chaffy scales, 1- 
flowered ; corolla of two equal husks, 
shorter than the calyx, awned on the back ; 
an internal corolla or nectary, consisting 
of two, egg-shaped, minute scales ; stam- 
ens longer than the corolla; anther oblong, 
forked at both ends ; germ superior ; seed 
1. (sweet vernal grass.) 
Ckyp'^ta. Peplis. Calyx 2-sepalled, 
inferior ; corolla 2 or 3 petalled, closed ; 
styles none ; stigmas 2 or 3, very minute ; 
capsule 2 or 3-celled, 2 or 3-valved ; cells 
4 or 5-seeded ; seeds sub-cylindric, striate, 
incurved, (mud-purslane.) The corolla ap- 
pears like a capsule with an aperture at the 
top, when examined without a lens. 
Erian"thus. Glumes 2, valves nearly 
equal, villose at the base; paleas 2, une- 
qual; inner glume bearing a long awn near 
the summit. IS. 
ORDER III. TRIGYNIA. 
Pi'pER. Spadix simple and slender; 
3alyx and corolla wanting. Fruit a berry, 
globose, (pepper.) Ex. 
CLASS III. TRIANDRIA. 
ORDER I. MONOGYNIA. 
A. Floniers superior. 
I'ris. Calyx spatha, 2 or 3-valved ; co- 
rolla 6-parted, divisions alternately re- 
flexed ; stigmas 3, petal-like ; style short ; 
capsule 3-celled. (flower-de-luce, iris or 
flag.) Ex. 
Fe'dia. Calyx 3 to 6-toothed, perma- 
nent ; corolla tubular, 5-cleft or 5-parted ; 
nut or capsule 2 or 3 celled ; seed naked, 
or crowned with a tooth, (lamb lettuce.) 
Dila'tris. Perianth superior, 6-parted, 
segments unequal ; stamens 3 ; style de- 
clining ; stigma minutely 3 lobed ; capsule 
3- celled, truncated, many-seeded, (red- 
root) 
Plectri'tis. Calyx with the margin 
straight, entire ; corolla with the' tube short- 
spurred at the base, gibbose before, hmb 
5- cleft, 2-lipped; capsule 1-celled, 2-winged. 
Valerianel"la. Calyx with the limb 
toothed, persistent; corolla not spurred, 
regular, 5 lobed ; stigma sub-trifid ; capsule 
3-celled, sub-membranous, crowned with 
•the limb of the calyx, (wild lamb-lettuce.) 
Gladio'lus. Spatha 2-valved ; corolla 
6- parted, two divisions much smaller, up- 
per divisions broadest; style long aud 
24* 
slender; stigmas 3 ; capsule triangular, 3- 
celled, many-seeded. 
Valeria'na. Corolla monopetalous, 5 
cleft, horned at the base ; seed 1, crowned 
with a feathery pappu.s. Ex. 
Cro'cus. Spatha radical; corolla iunnel- 
form, with a long slender tube; stigma 
deep gashed, crested. 
lx"iA. Spatha 2 or 3-valved, ovate, short; 
corolla 6 parted or 6-petalled, sometimes 
tubular ; stamens straight or incurved; 
stigmas eub-filiform. (blackberry-lily.) 
Phyllac'^tis. Involucrum 1-leaved, 
sheathing ; calyx marginal, minute ; corol- 
la 3-cleft ; seed 1 ; styles and stamens ex- 
sert. 
Apte'ria. Calyx 0 ; corolla monopeta- 
lou.s, wingless, bell-tubular, with the margin 
6-toothed, alternately smaller; capsule 1- 
i celled, valveless ; seeds numerous and mi- 
j nute. 
Boerhaa'via. Calyx tubular, margin en- 
I tire ; corolla 1-petalled, campanulate, plait- 
I ed ; nut 1, invested by the permanent calyx, 
j naked or tubercled, S grooved, obconic 
Calyme'nia. See Allio'nia. 
j B. Flowers inferior. 
I Commeli'na. Sheath cordate ; calyx 3- 
' leaved ; corolla 3-petalled, sub-equal ; 3 
I barren filaments — sometimes the whole 6 
j filaments bear anthers; stigma simple; 
nectaries 3, cross-form, inserted on peculiar 
filaments; capsule sub-globose, 3-celled; 
cells 2-seeded or empty, (day-flower.) 
I Schoi/'i.era. Spatha 1-flowered; corolla 
I long-tubular, border 6-parted, with the 
stamens on the divisions ; filaments equal. 
' Heteranthe'ra. Calyx a 2 or 3-fiow- 
ered spatha ; corolla dull-colored, membra- 
naceous, with a long slender tube, border 
4 to 6-parted ; anthers 3, 2 of them attached 
to the divisions of the corolla, the other at- 
tached to the top of the style, and much 
larger ; stigma sub capitate, 1-sided ; cap- 
sule 3-celled, many-seeded, dehiscent at 
the angles. 2%is genus is intermediate 
between tlie classes Triandria and Gynan- 
d/ria. 
Syk'na. Calyx 3 leaved ; corolla 3-petal- 
led ; anthers oblong ; capsule 1-valved, 3 
celled. S. 
STi'pur,ici'DA. Calyx 5-parted; corolla 
5-petalled ; stigmas 3 ; capsule 1-celled, 3- 
valved. S. 
Polycne'mum. Calyx 3 sepalled ; petals 
calyx-like ; capsule 1 -seeded, membrana 
ceous, not opening, covered by the calyx. 
Stamens vary from 1 to 5, S. 
C, Flowers with glumes. Sedges. 
Dui.i'cHXUM, Spikes sub-racemed, axil- 
; lary ; spikelets linear-lanceolate, sub com- 
pressed ; glumes distichus, sheathing; style 
very long, bifid, base persistent; na 
bristled at the base. 
\ Cype'rus. Scales imbricated 2-ways 
i ovary without bristles ; spikelets com 
I pressed, distinct. 
LiMNET^Js. Glume 2-valveH, compressed, 
! one valve keeled and longer than the other 
