=Parts.=--_Petals_, [Illustration] the divisions of the Corolla.
_Lamina_, the expanded portion of the petal.
_Claw_, [Illustration], the stem portion of the petal.
_Spur_, [Illustration]; _s_, the hollow portion of certain corollas.
_Crown_, [Illustration], a small projection from certain petals
(Catchfly).
=Cohesion.=--_Gamopetalous_ or _Monopetalous_, [Illustration] petals
partially or wholly grown together.
_Truncate_, [Illustration] _toothed_, _lobed_, [Illustration] _cleft_,
_parted_.
_Polypetalous_, [Illustration] petals separate.
=Adnation.=--_Hypógynous_, [Illustration] corolla attached under the
pistil (_gynia_, pistil).
_Perígynous_, [Illustration] corolla attached to the calyx. It is thus
around the pistil.
_Epígynous_, [Illustration] corolla attached to the ovary. It is thus
upon the ovary which is a part of the pistil.
=Form.=--GAMOPETALOUS and POLYPETALOUS.
{REGULAR.
{
{ _Urceoiate_, [Illustration] urn-shaped (Whortle-
{ berry).
{
{ _Tubular_ [Illustration] cylindrical (Trumpet Honey-
{ suckle)
{
{ _Campánulate_, [Illustration] bell-shaped (Harebell).
{
{ _Infundíbular_, [Illustration] funnel-shaped
{ (Morning-glory).
{
{ _Hypocraterimórphous_, [Illustration] salver-shaped
{ (Phlox).
GAMOPETALOUS. {
{ _Rotate_, [Illustration] wheel-shaped (Potato).
{
{IRREGULAR.
{
{ _Ligulate_, [Illustration] strap-shaped (Dandelion).
{
{ _Lābiate_, two-lipped.
{
{ _Gāleate_, [Illustration] upper lip arched (Catmint).
{
{ _Ringent_, [Illustration] both lips arched (Dead-
{ nettle).
{
{ _Personate_, [Illustration] throat closed (Toad-
{ flax).
{REGULAR.
{
{ _Rosāceous_, [Illustration] petals without claws
{ (Rose).
{
{ _Liliāceous_, [Illustration] petals with claws
{ gradually spreading (Lily).
{
{ _Caryophyllāceous_, long claws enclosed in a tube
{ (Pink).
POLYPETALOUS. {
{ _Crucíferous_, [Illustration] four clawed petals in
{ the form of a cross (Mustard).
{
{IRREGULAR.
{
{ _Papilionāceous_, [Illustration] butterfly-shaped
{ (Bean).
{
{ PARTS.--_Vexillum_, banner; _alæ_, wings; _carīna_,
{ keel.
=Æstivation=, the arrangement of the floral organs in the bud.
_Valvular_, [Illustration] pieces met by their margins (Lilac).
_Induplicate_, [Illustration] margins turned inward (sepals of
Clematis).
_Reduplicate_, [Illustration] margins turned outward (sepals of
Hollyhock).
_Convolute_, or _contorted_, [Illustration] each piece overlaps its
neighbor in one direction (Geranium).
_Imbricated_, [Illustration] one or more petals wholly outside.
_Quincúncial_, [Illustration] five petals, two without and two within
and the remaining one with one edge outside and the other inside.
_Triquētrous_, [Illustration] three petals, one without and one within,
and the remaining one with one edge outside and the other inside.
_Véxillary_, [Illustration] having one large petal enclosing the others
(Pea).
_Plicate_, [Illustration] the folding of gamopétalous flowers.
_Supervolute_, [Illustration] with folds turned obliquely in the same
direction (Morning-glory).