(85) Fagus - female flowers two or three together in the centre of a scaly four-lobed prickly involucre; stigmas three, filiform.
** Male flowers in long cylindrical catkins. † Anthers two-celled.
(86) Quercus - female flowers solitary, within cup-shaped scaly at length indurated involucres; stigmas three, oblong.
Ft Anthers one-celled.
(87) Corylus - female flowers crowded in short bud-like catkins; involucre of one piece, at length enlarged, leafy and jagged, containing a single nut; stigmas two, filiform.
(88) Carpinus - female flowers in a lax catkin; involucre of two distinct at length enlarged leaves, containing two nuts; stigmas two, filiform.
(89) Pinus - male catkins cylindrical, with two anther-cells to each scale.
** Fruit small, succulent, containing two or three hard seeds.
(90) Juniperus - male catkins small, with four anther-cells to each scale.
(91) Taxus - male catkins small, with three to eight anther-cells to each of the upper scales.
(92) Arum - flowers densely packed on the lower part of a columnar spike (spadix), which is enclosed in a spathe or leafy sheath.
* Stigmas 3-parted slender, deeply 2-cleft.
** Stigmas 3-parted; segments widening upwards, convolute.
(94) Crocus - perianth with a slender tube, which is twice as long as the six-parted equal limb.
* Perianth with a cup-shaped coronet or crown in the mouth of its tube.
(95) Narcissus - perianth tubular at the base, the six-parted limb spreading.
** Perianth without a coronet.
(96) Galanthus - perianth divided to the base, the three outer segments larger than the three inner.
(97) Leucojum - perianth divided to the base, the six segments equal.
* Plants scaly, leafless, brownish; (pollen simple or in slightly cohering granules.)
(98) Neottia - flowers small; lip spurless, two-cleft, longer than the sepals.
** Plants having green leaves; (pollen cohering in grains or masses, which are indefinite in number and waxy.)
† Central anther perfect, the two lateral ones abortive.
‡ Lip spurred at the base.
(99) Orchis - lip lobed; pollen-masses with two glands enclosed in a common pouch.
‡‡ Lip not spurred.
(100) Ophrys - lip lobed, convex, usually hairy and figured resembling the body of an insect; pollen-masses with two glands each, enclosed in a separate pouch.
†† Central anther abortive, the two lateral ones perfect.
(101) Cypripedium - lip large, inflated, pouch-like.