Page:An introduction to physiological and systematical botany (1st edition).djvu/210

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180
COMPOUND LEAVES.

of leaflets, and are used for that purpose where such discrimination is requisite for specific characters, as in Mimosæ.

The different degrees in which leaves are compounded are thus distinguished, without any reference to the mode.

Compositum, simply compound, as in the above instances.

Decompositum[1], doubly compound, as Athamanta Libanotis, Engl. Bot. t. 138, Ægopodium Podagraria, t. 940, and Fumaria claviculata, t. 103.

Supradecompositum, thrice compound, or more, as Caucalis Anthriscus, t. 987, C. daucoides, t. 197, and Bunium flexuosum, t. 988. But

Bigeminatum, twice paired, as Mimosa Unguis cati, Plum. Ic. t. 4; and tergeminatum, thrice paired, as M. tergemma; also

Biternatum, twice ternate, as Ægopodium, Engl. Bot. t. 940; triternatum, thrice ternate, as Fumaria lutea, t. 588; and

  1. Linnæus, in Phil. Bot. 47, gives an erroneous definition of this term, which does not accord with his own use of it. Professor Martyn has rightly defined it.