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INTRODUCTION TO BOTANY; 71
Pedately cut, pedatifida. Cut into two lobes, and each
of these divided into segments on the side next the division*i.j
Helleborus niger, H. foetidus. PI. 5, fig. I.
Combhke, pect'mata. Feather-cut leaves, the lobes being
straight and placed parallelly like the teeth of a comb.
Lavandula dentata, Achillea pectinata.
1[ Parted, partita Mirbel, secta De Candolle. Side
incisions penetrating to the middle rib of the leaf the parenchyme
being interrupted by the division ; and the longitudinal
incisions beyond two-thirds of the face.
Two-partedj Upartita. Divided into two, by a very deep
longitudinal incision. Bidens tripartita, Passiflora incarnata.
Five-parted, qu'wque-partita. Iporaea quinque-loba.
Many-parted, multi-par tit a.. Consolida regalis, Trollius
Europaeus.
Palmate, palmata. Many-parted leaves, with longitudinal
divisions like fingers. Ipomsea quinque-loba, Passi-
flora caerulea. PI. 5, fig. 7.
Forked, dichotoma. Ceratophyllum demersum.
Feather-parted, pennatiparlita Mirbel, pinnatisectiis De
Candolle. Cut sideways to the middle rib of the leaf, the
parenchyme being interrupted by the divisions. Valeriana
Sibirica, Polypodium unitum.
Twice feather-cut, Bipennaticisa. The segments of the
leaf cut again in a similar manner.
Twice feather-parted, Bipennatipartita
Thrice feather-cut, Tripiennaticisa.
ments cut again in a similar manner.
The secondary seg-
15. Composition.
Compound. Folia composita. Footstalk not divided,
but bearing several leaflets.
One leafletted, unifoliata. A jointed footstalk bearing
only one leaflet. Citrus Aurantium, Rosa simplicifolia,
Hedysarum vespertilionis, &c. Analogy, and the joint
of the footstalk, causes these to be considered as compound
leaves.
Fingered, digitaia, palmata De Candolle. Leaflets terminating
the common footstalk, like fingers, instead of
being placed on the side.
Two-fingered, bidigitata, digitata-bifoUolata, hinata Linnaeus.
No example known. Zygophyllum Fabago, quoted
by Linnaeus, is one-paired.
.