_Pappus._ The modified calyx-limb in Compositae, forming a crown of very
various character at the summit of the achene.
_Parasitic._ Growing on and deriving nourishment from another plant.
_Parietal._ Borne on or pertaining to the wall or inner surface of a
capsule.
_Parted._ Cleft nearly but not quite to the base.
_Partial._ Of secondary rank.
_Pectinate._ Pinnatifid with narrow closely set segments; comb-like.
_Pedate._ Palmately divided or parted, with the lateral segments
2-cleft.
_Pedicel._ The support of a single flower.
_Pedicellate._ Borne on a pedicel.
_Peduncle._ A primary flower-stalk, supporting either a cluster or a
solitary flower.
_Pedunculate._ Borne upon a peduncle.
_Peltate._ Shield-formed and attached to the support by the lower
surface.
_Pendulous._ More or less hanging or declined. _Pendulous ovule_, one
that hangs from the side of the cell.
_Perennial._ Lasting year after year.
_Perfect_ (flower). Having both pistil and stamens.
_Perfoliate_ (leaf). Having the stem apparently passing through it.
_Perianth._ The floral envelope, consisting of the calyx and corolla
(when present), whatever their form; in Hepaticae, the inner usually
sac-like involucre of the archegonium.
_Pericarp._ The matured ovary.
_Perigynium._ The inflated sac which encloses the ovary in Carex.
_Perigynous._ Adnate to the perianth, and therefore around the ovary and
not at its base.
_Persistent._ Long-continuous, as a calyx upon the fruit, leaves through
winter, etc.
_Personate_ (corolla). Bilabiate, and the throat closed by a prominent
palate.
_Petal._ A division of the corolla.
_Petaloid._ Colored and resembling a petal.
_Petiolate._ Having a petiole.
_Petiole._ The footstalk of a leaf.
_Phaenogamous._ Having flowers with stamens and pistils and producing
seeds.
_Phyllodium._ A somewhat dilated petiole having the form of and serving
as a leaf-blade.
_Pilose._ Hairy, especially with soft hairs.
_Pinna_ (pl. _Pinnae_). One of the primary divisions of a pinnate or
compoundly pinnate frond or leaf.
_Pinnate_ (leaf). Compound, with the leaflets arranged on each side of a
common petiole.
_Pinnatifid._ Pinnately cleft.
_Pinnule._ A secondary pinna; one of the pinnately disposed divisions of
a pinna.
_Pistil._ The seed-bearing organ of the flower, consisting of the ovary,
stigma, and style when present.
_Pistillate._ Provided with pistils, and, in its more proper sense,
without stamens.
_Pitted._ Marked with small depressions or pits.
_Placenta._ Any part of the interior of the ovary which bears ovules.
_Plane._ Flat; with a flat surface or surfaces.
_Plicate._ Folded into plaits, usually lengthwise.
_Plumose._ Having fine hairs on each side, like the plume of a feather,
as the pappus-bristles of Thistles.
_Plumule._ The bud or growing point of the embryo.
_Pod._ Any dry and dehiscent fruit.
_Pointed._ Acuminate.
_Pollen._ The fecundating grains contained in the anther.
_Polliniferous._ Bearing pollen.
_Pollinium_ (pl. _Pollinia_). A mass of waxy pollen or of coherent
pollen-grains, as in Asclepias and Orchids.
_Polypetalous._ Having separate petals.
_Pome._ A kind of fleshy fruit of which the apple is the type.
_Porose._ Pierced with small holes or pores.
_Posterior._ In an axillary flower, on the side nearest to the axis of
inflorescence.
_Posticous._ On the posterior side; extrorse.
_Praemorse._ Appearing as if bitten off.
_Prickle._ A small spine or more or less slender sharp outgrowth from
the bark or rind.
_Prismatic._ Of the shape of a prism, angular, with flat sides, and of
nearly uniform size throughout.
_Procumbent._ Lying on the ground.
_Proliferous._ Producing offshoots.
_Prostrate._ Lying flat upon the ground.
_Proterogynous._ Having the stigma ripe for the pollen before the
maturity of the anthers of the same flower.
_Prothallus._ A cellular usually flat and thallus-like growth, resulting
from the germination of a spore, upon which are developed sexual organs
or new plants.
_Pseudaxillary._ Terminal but becoming apparently axillary by the growth
of a lateral branch.
_Pseudo-costate._ False-ribbed, as where a marginal vein or rib is
formed by the confluence of the true veins.
_Pteridophytes._ Fern-plants; Ferns and their allies.
_Puberulent._ Minutely pubescent.
_Pubescent._ Covered with hairs, especially if short, soft and downy.
_Punctate._ Dotted with depressions or with translucent internal glands
or colored dots.
_Puncticulate._ Minutely punctate.
_Pungent._ Terminating in a rigid sharp point; acrid.
_Putamen._ The shell of a nut; the bony part of a stone-fruit.
_Quadrate._ Nearly square in form.
_Raceme._ A simple inflorescence of pedicelled flowers upon a common
more or less elongated axis.
_Racemose._ In racemes; or resembling a raceme.
_Radiate._ Spreading from or arranged around a common centre; bearing
ray-flowers.
_Radical._ Belonging to or proceeding from the root or base of the stem
near the ground.
_Radicle._ The portion of the embryo below the cotyledons, more properly
called the caudicle.
_Radiculose._ Bearing rootlets.
_Rameal._ Belonging to a branch.
_Ramification._ Branching.
_Ray._ The branch of an umbel; the marginal flowers of an inflorescence
when distinct from the disk.
_Receptacle._ The more or less expanded or produced portion of an axis
which bears the organs of a flower (the _torus_) or the collected
flowers of a head; any similar structure in Cryptogams.
_Recurved._ Curved downward or backward.
_Reflexed._ Abruptly bent or turned downward.
_Regular._ Uniform in shape or structure.
_Reniform._ Kidney-shaped.
_Repand._ With a slightly uneven and somewhat sinuate margin.
_Resiniferous._ Producing resin.
_Reticulate._ In the form of network; net-veined.
_Retrorse._ Directed back or downward.
_Retuse._ With a shallow notch at a rounded apex.
_Revolute._ Rolled backward from the margins or apex.
_Rhachis._ The axis of a spike or of a compound leaf.
_Rhaphe._ The ridge or adnate funicle which in an anatropous ovule
connects the two ends.
_Rhizome._ Any prostrate or subterranean stem, usually rooting at the
nodes and becoming erect at the apex. Very variable in character, and
including morphologically the tuber, corm, bulb, etc.
_Rhombic, Rhomboidal_, Somewhat lozenge-shaped; obliquely four-sided.
_Rib._ A primary or prominent vein of a leaf.
_Ringent._ Gaping, as the mouth of an open bilabiate corolla.
_Root._ The underground part of a plant which supplies it with
nourishment.
_Rootstock._ Same as Rhizome.
_Rostrate._ Having a beak or spur.
_Rosulate._ In the form of a rosette.
_Rotate_ (corolla). Wheel-shaped; flat and circular in outline.
_Rotund._ Rounded in outline.
_Rudiment._ A very partially developed organ; a vestige.
_Rudimentary._ But slightly developed.
_Rufous._ Reddish brown.
_Rugose._ Wrinkled.
_Runcinate._ Sharply incised, with the segments directed backward.
_Runner._ A filiform or very slender stolon.
_Saccate._ Sac-shaped.
_Sagittate._ Shaped like an arrow-head, the basal lobes directed
downward.
_Salver-shaped_ (corolla). Having a slender tube abruptly expanded into
a flat limb.
_Samara._ An indehiscent winged fruit.
_Scabrous._ Rough to the touch.
_Scalariform_ (vessels). Having transverse markings like the rounds of a
ladder.
_Scape._ A peduncle rising from the ground, naked or without proper
foliage.
_Scapose._ Bearing or resembling a scape.
_Scarious._ Thin, dry, and membranaceous, not green.
_Scorpioid_ (inflorescence). Circinately coiled while in bud.
_Scurf._ Small bran-like scales on the epidermis.
_Scymitar-shaped_ (leaf). Curved with a flat-triangular section, the
straighter edge the thickest.
_Seed._ The ripened ovule, consisting of the embryo and its proper
coats.
_Segment._ One of the parts of a leaf or other like organ that is cleft
or divided.
_Sepal._ A division of a calyx.
_Septicidal_ (capsule). Dehiscing through the partitions and between the
cells.
_Septum._ Any kind of partition.
_Serrate._ Having teeth pointing forward.
_Serrulate._ Finely serrate.
_Sessile._ Without footstalk of any kind.
_Setaceous._ Bristle-like.
_Setose._ Beset with bristles.
_Setulose._ Having minute bristles.
_Sheath._ A tubular envelope, as the lower part of the leaf in Grasses.
_Sheathing._ Enclosing as by a sheath.
_Shrub._ A woody perennial, smaller than a tree.
_Silicle._ A short silique.
_Silique._ The peculiar pod of Cruciferae.
_Silky._ Covered with close-pressed soft and straight pubescence.
_Simple._ Of one piece; not compound.
_Sinuate._ With the outline of the margin strongly wavy.
_Sinus._ The cleft or recess between two lobes.
_Smooth._ Without roughness or pubescence.
_Sorus_ (pl. _Sori_). A heap or cluster, applied to the fruit-dots of
Ferns.
_Spadix._ A spike with a fleshy axis.
_Spathe._ A large bract or pair of bracts enclosing an inflorescence.
_Spatulate._ Gradually narrowed downward from a rounded summit.
_Spicate._ Arranged in or resembling a spike.
_Spiciform._ Spike-like.
_Spike._ A form of simple inflorescence with the flowers sessile or
nearly so upon a more or less elongated common axis.
_Spikelet._ A small or secondary spike.
_Spindle-shaped._ Same as Fusiform.
_Spine._ A sharp woody or rigid outgrowth from the stem.
_Spinose._ Spine-like, or having spines.
_Sporangium._ A spore-case.
_Spore._ The reproductive organ in Cryptogams which corresponds to a
seed.
_Sporocarp._ The fruit-cases of certain Cryptogams containing sporangia
or spores.
_Spur._ A hollow sac-like or tubular extension of some part of a
blossom, usually nectariferous.
_Squamula._ A reduced scale, as the hypogynous scales in Grasses.
_Squarrose._ Having spreading and projecting processes, such as the tips
of involucral scales.
_Squarrulose._ Diminutively squarrose.
_Stamen._ One of the pollen-bearing or fertilizing organs of the flower.
_Staminodium._ A sterile stamen, or any structure without anther
corresponding to a stamen.
_Standard._ The upper dilated petal of a papilionaceous corolla.
_Stellate, Stelliform._ Star-shaped.
_Stem._ The main ascending axis of a plant.
_Sterile._ Unproductive, as a flower without pistil, or stamen without
an anther.
_Stigma._ That part of a pistil through which fertilization by the
pollen is effected.
_Stigmatic._ Belonging to or characteristic of the stigma.
_Stipe._ The stalk-like support of a pistil; the leaf-stalk of a Fern.
_Stipitate._ Having a stipe.
_Stipular._ Belonging to stipules.
_Stipulate._ Having stipules.
_Stipule._ An appendage at the base of a petiole or on each side of its
insertion.
_Stolon._ A runner, or any basal branch that is disposed to root.
_Stoloniferous._ Producing stolons.
_Stoma_ (pl. _Stomata_). An orifice in the epidermis of a leaf
communicating with internal air-cavities.
_Striate._ Marked with fine longitudinal lines or ridges.
_Strict._ Very straight and upright.
_Strigose._ Beset with appressed sharp straight and stiff hairs.
_Strobile._ An inflorescence marked by imbricated bracts or scales, as
in the Hop and Pine-cone.
_Strophiole._ An appendage at the hilum of certain seeds.
_Style._ The usually attenuated portion of the pistil connecting the
stigma and ovary.
_Stylopodium._ A disk-like expansion at the base of a style, as in
Umbelliferae.
_Sub_-. A Latin prefix, usually signifying somewhat or slightly.
_Subulate._ Awl-shaped.
_Succubous_ (leaves). Having the upper margin of a leaf covered by the
base of the one above.
_Succulent._ Juicy; fleshy.
_Suffrutescent._ Slightly or obscurely shrubby.
_Suffruticose._ Very low and woody; diminutively shrubby.
_Sulcate._ Grooved or furrowed.
_Superior_ (ovary). Free from the calyx.
_Suspended_ (ovule). Hanging from the apex of the cell.
_Suture._ A line of dehiscence.
_Symmetrical_ (flower). Regular as to the number of its parts; having
the same number of parts in each circle.
_Synonym._ A superseded or unused name.
_Tail._ Any slender terminal prolongation.
_Terete._ Having a circular transverse section.
_Terminal._ At or belonging to the apex.
_Ternary._ Consisting of three.
_Ternate._ In threes.
_Tetradynamous._ Having four long and two shorter stamens.
_Tetragonal._ Four-angled.
_Thalamiflorous._ Having the parts of the flower hypogynous.
_Thalloid, Thallose._ Resembling a thallus.
_Thallus._ In Cryptogams, a cellular expansion taking the place of stem
and foliage.
_Throat._ The orifice of a gamopetalous corolla or calyx; the part
between the proper tube and the limb.
_Thyrse._ A contracted or ovate and usually compact panicle.
_Thyrsoid._ Resembling a thyrse.
_Tomentose._ Densely pubescent with matted wool.
_Tooth._ Any small marginal lobe.
_Torose._ Cylindrical with contractions at intervals.
_Torulose._ Diminutive of Torose.
_Torus._ The receptacle of a flower.
_Transverse._ Across; in a right and left direction.
_Tri-._ In composition, three or thrice.
_Triandrous._ Having three stamens.
_Trifoliolate._ Having three leaflets.
_Trigonous._ Three-angled.
_Trimorphous._ Occurring under three forms.
_Triquetrous._ Having three salient angles, the sides concave or
channelled.
_Truncate._ Ending abruptly, as if cut off transversely.
_Tuber._ A thickened and short subterranean branch, having numerous buds
or eyes.
_Tubercle._ A small tuber or tuber-like body.
_Tuberiferous._ Bearing tubers.
_Tuberous._ Having the character of a tuber; tuber-like in appearance.
_Tumid._ Swollen.
_Tunicated._ Having concentric coats, as an onion.
_Turbinate._ Top-shaped; inversely conical.
_Twining._ Winding spirally about a support.
_Umbel._ An inflorescence in which a cluster of peduncles or pedicels
spring from the same point.
_Umbellate._ In or like an umbel.
_Umbellet._ A secondary umbel.
_Umbonate._ Bearing a stout projection in the centre; bossed.
_Underleaves._ The small accessory leaves or stipules on the under side
of the stem in Hepaticae.
_Undulate._ With a wavy surface; repand.
_Unguiculate._ Contracted at base into a claw.
_Uni-._ In composition, one.
_Unisexual._ Of one sex, either staminate or pistillate only.
_Urceolate._ Hollow and cylindrical or ovoid, and contracted at or below
the mouth, like an urn.
_Utricle._ A small bladdery 1-seeded fruit; any small bladder-like body.
_Valvate._ Opening by valves, as a capsule; in aestivation, meeting by
the edges without overlapping.
_Valve._ One of the pieces into which a capsule splits.
_Vascular._ Furnished with vessels or ducts.
_Veins._ Threads of fibro-vascular tissue in a leaf or other organ,
especially those which branch (as distinguished from nerves).
_Ventral._ Belonging to the anterior or inner face of an organ; the
opposite of dorsal.
_Ventricose._ Swelling unequally, or inflated on one side.
_Vernation._ The arrangement of leaves in the bud.
_Verrucose._ Covered with wart-like elevations.
_Versatile_ (anther). Attached near the middle and turning freely on its
support.
_Vertical._ Perpendicular to the horizon; longitudinal.
_Verticillate._ Disposed in a whorl.
_Vesicle._ A small bladder or air-cavity.
_Vesicular, Vesiculose._ Composed of or covered with vesicles.
_Villous._ Bearing long and soft hairs.
_Virgate._ Wand-shaped; slender, straight and erect.
_Viscid._ Glutinous; sticky.
_Whorl._ An arrangement of leaves, etc., in a circle round the stem.
_Wing._ Any membranous or thin expansion bordering or surrounding an
organ; the lateral petal of a papilionaceous corolla.
_Woolly._ Clothed with long and tortuous or matted hairs.
INDEX.
[SYNONYMS IN ITALICS.]
Abele, 486
Abies, _492_, 492
Abronia, 425
Abutilon, 99
Acacia, Rose, 134
Acalypha, 459
ACANTHACEAE, 399
Acer, 117
Acerates, _339_, 343
Achillea, 289
Acnida, 429
Aconitum (Aconite), 46
Winter, 45
Acorus, 551
Actaea, 47
Actinella, 287
Actinomeris, 281, _281_
Adam-and-Eve, 499
Adam's Needle, 524
Adder's-mouth, 498
Adder's-tongue, 695
Yellow, 528
Adenocaulon, 269
Adiantum, 680
Adlumia, 60
Adonis, 40
Adoxa, 216
AEgopodium, 208
AEschynomene, 137
AEsculus, 115
AEthusa, 205
Agave, 516
Agrimonia (Agrimony), 161
Agropyrum, 671
_Agrostemma_, 85
Agrostis, 647
Ailanthus, 107
Aira, 652, _652_
Ajuga, 406
Alchemilla, 161
Alder, 472
Black, 109
White, 322
Aletris, 512
Alfalfa, 129
Alisma, 554
ALISMACEAE, 553
Alligator Pear, 446
Allium, 521, _522_
_Allosorus_, 683
Allspice, Carolina, 167
Wild, 447
Alnus, 472
Aloe, American, 516
False, 516
Alopecurus, 645
Althaea, 97
Alum-root, 171
Alyssum, 68
AMARANTACEAE, 427
Amarantus (Amaranth), 427
AMARYLLIDACEAE, 515
_Amaryllis_, 735
Ambrosia, 273
Amelanchier, 166
Amianthium, 535
Ammannia, _184_, 185, _185_
Ammophila, _651_, 651
Amorpha, 131
Ampelopsis, 115
Amphiachyris, 243
Amphicarpaea, 146
Amphicarpum, 634
Amsonia, 337
ANACARDIACEAE, 118
_Anacharis_, 496
Anagallis, 331
Anaphalis, 268
Andromeda, 316
Andropogon, 637, _638_
Androsace, 329
Androstephium, 522
Anemone, 36
Rue, 39
Anemonella, 38
Aneura, 725
Angelica, 201
Angelica-tree, 210
ANONACEAE, 50
Antennaria, 267, _268_
Anthemis, 288
Anthoceros, 726
ANTHOCEROTACEAE, 726
Anthoxanthum, 639
Anthriscus, 206
Antirrhinum, 380
Anychia, 426
Apera, 649
Aphanostephus, 253
Aphyllon, 394
_Apiastrum_, 209
Apios, 144
_Apium_, 209
Aplectrum, 499
Aplopappus, 245
APOCYNACEAE, 337
Apocynum, 338
Apple, 164
Balsam, 195
Crab, 164
May, 53
Thorn, 377
Apple-of-Peru, 376
Aquilegia, 45
Arabis, 65, _71, 72_
ARACEAE, 548
Aralia, 212
ARALIACEAE, 212
Arbor-vitae, 493
Arbutus, Trailing, 315
Arceuthobium, 450
_Archangelica_, 201, 202, 205
_Archemora_, 202
Arctium, 295
Arctostaphylos, 315
Arenaria, 85, 733
Arethusa, 504
Argemone, 59, 733
Argythamnia, 459
Arisaema, 549
Aristida, 639
Aristolochia, 445
ARISTOLOCHIACEAE, 444
Arnica, 292
Arrhenatherum, 651
Arrow-grass, 557
Arrowhead, 554
Arrow-wood, 217
Artemisia, 290
Artichoke, Jerusalem, 277
_Arum_, 550
Arrow, 549
Dragon, 549
Water, 550
Arundinaria, 674
Arundo, 658
Asarabacca, 444
Asarum, 444, 734
ASCLEPIADACEAE, 338
Asclepias, 339
Asclepiodora, 339
Ascyrum, 92
Ash, 335
Mountain, 164
Prickly, 106
Asparagus, 525
Aspen, 486
Asperugo, 361
Asphodel, Bog, 532
False, 532
Aspidium, 686
Asplenium, 683
Asprella, 674
Aster, 255
acuminatus, 264
Aster _aestivus_, 262
amethystinus, 260
angustus, 264
anomalus, 258
azureus, 258
_carneus_, 261
concinnus, 260
concolor, 258
cordifolius, 259
corymbosus, 255
diffusus, 261
Drummondii, 259
dumosus, 260
ericoides, 260
Fendleri, 257
_flexuosus_, 264
gracilis, 256
grandiflorus, 257
Herveyi, 256
infirmus, 263
junceus, 262
laevis, 259
linariifolius, 263
Lindleyanus, 259
_linifolius_, 264
longifolius, 262, _262_
macrophyllus, 256
_miser_, 261
modestus, 257
multiflorus, 260
nemoralis, 264
Novae Angliae, 257
Novi Belgii, 262
oblongifolius, 257
paludosus, 255
paniculatus, 261
patens, 258
patulus, 262
polyphyllus, 260
prenanthoides, 263
ptarmicoides, 264
puniceus, 263
radula, 256
sagittifolius, 259
salicifolius, 261
sericeus, 257
Shortii, 258
_simplex_, 261
spectabilis, 256
subulatus, 264
surculosus, 256
tardiflorus, 262
tenuifolius, _261_, 264
Tradescanti, _261_, 261
turbinelius, 259
umbellatus, 263
undulatus, 258
vimineus, 260
virgatus, 259
Aster, Golden, 244
White-topped, 254
Asterella, 729
Astilbe, 169
Astragalus, 134
Atamasco Lily, 516
Atriplex, 433
_Atropis_, 668
Avena, 653
Avens, 156
Awlwort, 69
_Azalea_, 320
Alpine, 322
Azolla, 701
Baccharis, 266
Baked-apple Berry, 154
Baldwinia, 285
Ballota, 420
Balm, 412
Bee, 414
Horse, 406
Balm-of-Gilead, 487
Balsam, 105
Balsam Poplar, 487
Baneberry, 47
Baptisia, 125
Barbarea, 70
Barberry, 52
Barley, 672
Bartonia, 352
Bartsia, 392
Basil, 409, 412
Bass-wood, 101
Bay, Loblolly, 96
Red, 447
Rose, 320
Bayberry, 469
Bazzania, 710
Bean, Indian, 399
Kidney, 144
Sacred, 55
Wild, 144
Bearberry, 315
Beard-tongue, 381
Beckmannia, 628
Bedstraw, 225
Beech, 479
Blue, 474
Water, 474
Beech-drops, 394
False, 326
Beggar-lice, 362
Beggar-ticks, 284
Belamcanda, 515
Bellflower, 308
Bellis, 253
Bellwort, 527
Benjamin-bush, 447
BERBERIDACEAE, 52
Berberis, 52
Berchemia, 111
Bergamot, Wild, 414
Berlandiera, 271
Berula, 207
Betony, Wood, 392
Betula, 471
Bidens, 284
Bigelovia, 245
Bignonia, 398
BIGNONIACEAE, 398
Bilberry, 312
Bilsted, 180
Bindweed, 369
Black, 442
Birch, 471
Birthroot, 530
Birthwort, 445
Bishop's-cap, 171
Bishop-weed, Mock, 209
Bitter-nut, 469
Bittersweet, 373
Climbing or Shrubby, 110
Bitter-weed, 273
Blackberry, 155
Bladder Ketmia, 100
Bladdernut, 118
Bladderwort, 395
Blasia, 724
Blazing-star, 242, 532
Blepharostoma, 711
_Blepharozia_, 709
Blephilia, 415
_Bletia_, 501
Blite, Coast, 432
Blite, Sea, 435
Strawberry, 432
_Blitum_, 432, 433
Bloodroot, 58
Bloodwort Family, 512
Bluebell, 364
Blueberry, 312
Bluebottle, 297
Blue-curls, 405
Blue-hearts, 388
Blue-joint, 650, 671
Blue-stem, 671
Blue-tangle, 311
Bluets, 223
Blue-weed, 367
Boehmeria, 466
Bois d'Arc, 464
Boltonia, 253
_Bonamia_, 370
Boneset, 241
Borage Family, 360
BORRAGINACEAE, 360
Borrichia, 277
Botrychium, 693
Bouncing Bet, 83
Bouteloua, 655
Bowman's-root, 154
Boxberry, 316
Box-elder, 118
Boykinia, 170
Brachychaeta, 253
Brachyelytrum, 644
Bracken, 681
Brake, 681
Cliff, 682
Rock, 682
Bramble, 154
Brasenia, 55
Brassica, 72
Breweria, 370
Brickellia, 241
Briza, 663
_Brizopyrum_, 663
BROMELIACEAE, 511
Bromus, 669
Brooklime, American, 386
Brookweed, 332
Broom, 127
Broom-rape, 395
Naked, 394
Brunella, 418
Brunnichia, 443
Bryanthus, 318
Buchloe, 657
Buchnera, 388
Buckbean, 353
Buckeye, 115
Buckthorn, 111, 332
Buckwheat, 443
Climbing False, 443
Buda, 89
Buffalo-berry, 449
Buffalo-nut, 451
Bugbane, 47
False, 39
Bugleweed, 408
Bugloss, 367
Bugseed, 434
Bulrush, 578
Bumelia, 332
Bunchberry, 214
Bunch-flower, 533
Bupleurum, 206
Burdock, 295
Burmannia, 497
BURMANNIACEAE, 496
Burnet, 161
Burning-bush, 110
Bur-reed, 547
Butter and eggs, 379
Buttercup, 40
Butterfly-weed, 340
Butternut, 467
Butterweed, 265, 293
Butterwort, 397
Button-bush, 224
Buttonweed, 225
Buttonwood, 464
Cabbage, Skunk, 550
Cabomba, 55
Cacalia, 294
CACTACEAE, 196
Cactus Family, 196
Cakile, 74
_Caladium_, 550
Calamagrostis, 649, 651
Calamint, 411
Calamintha, 411
Calamus, 557
Calico-bush, 319
Calla, 550
Callicarpa, 403
Callirrhoe, 98
Callitriche, 182
Calluna, 318
Calophanes, 400
Calopogon, 504
Caltha, 44
CALYCANTHACEAE, 167
Calycanthus, 167
Calycocarpum, 51
_Calypogeia_, 713
Calypso, 499
_Calystegia_, 369, 370
Camassia, 523
Camelina, 69
Camellia Family, 95
Campanula, 308
CAMPANULACEAE, 307
Campion, 83
Camptosorus, 685
Cancer-root, 394
Cane, 674
Cannabis, 463
Caper Family, 74
CAPPARIDACEAE, 74
CAPRIFOLIACEAE, 216
Capsella, 73
Caraway, 208
Cardamine, 64
Cardinal-flower, 305
Carduus, 296