. The botanical class-book, and flora of Pennsylvania, designed for seminaries of learning and private classes. 40 MARGIN. = Radiate veined Compound When a radiate veined leaf becomes compound, theleaflets are necessarily all attached to the apex of the commonpetiole, forming a ternate or palmately trifoliate leaf, as inClover, (Fig. 54,) or a digitate leaf,* as in the Horse chestnut,(Fig. 44). 1. Biternate, (twice ternate, Fig. 55,) when the leafletsof a ternate leaf become themselves ternate. Ex.: Squirrelcorn (Dicentra Canadensis.) 2. Tritehnate, (three times three ternate, Fig.

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. The botanical class-book, and flora of Pennsylvania, designed for seminaries of learning and private classes. 40 MARGIN. = Radiate veined Compound When a radiate veined leaf becomes compound, theleaflets are necessarily all attached to the apex of the commonpetiole, forming a ternate or palmately trifoliate leaf, as inClover, (Fig. 54,) or a digitate leaf,* as in the Horse chestnut,(Fig. 44). 1. Biternate, (twice ternate, Fig. 55,) when the leafletsof a ternate leaf become themselves ternate. Ex.: Squirrelcorn (Dicentra Canadensis.) 2. Tritehnate, (three times three ternate, Fig. 56,)when the leaflets of a biternate leaf become again : Columbine (Aquilegia Canadensis.) 8, Digitate leaves, of five, seven, or any definite numberof leaflets, are termed Quinate} Septinate, &c. ; or digitatelyfive foliatej seven foliate, &c. By this iiomendature, the dis-tinction between pinnate and digitate leaves is readily under-stood, 56; 57 y 58

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