Page:An introduction to physiological and systematical botany (1st edition).djvu/208

 178 an intermediate series of smaller ones, as Spiræa Filipendula, ''Engl. Bot. t. 284, S. Ulmaria t. 960, and Potentilla anserina, t.'' 861.

articulatè, jointedly, with apparent joints in the common footstalk, as Weinmannia pinnata.

decursivè, decurrently, when the leaflets are decurrent, as Eryngium campestre, ''Engl. Bot. t. 57, and Potentilla fruticosa, t.'' 88.

lyrato, in a lyrate manner, having the terminal leaflet largest, and the rest gradually smaller as they approach the base, as Erysimum præcox, t. 1129, and, with intermediate smaller leaflets, Geum rivale, t. 106; also the Common Turnip. Such leaves are usually denominated lyrate in common with those properly so called (whose shape is simple, and not formed of separate leaflets); nor is this from inaccuracy in botanical writers. The reason is, that these two kinds of leaves, however distinct in theory, are of all others most liable to run into each other, even on the same plant,