ternately

“Sterile segment of the frond ternately or pinnately divided or compound.”

The Fern Lover's Companion A Guide for the Northeastern States and Canada

“The flowers are produced singly, and have six to eight petal-like sepals; the leaves are ternately cut; leaflets or segments three-cut, lanceolate, and deeply toothed; petioles channelled; the roots are long and round, of about the thickness of a pen-holder.”

Hardy Perennials and Old Fashioned Flowers Describing the Most Desirable Plants, for Borders, Rockeries, and Shrubberies.

“The small scallop is able to move itself upwards to the surface of the water; this motion is effected by opening and shutting the shells al - ternately. —”

Internet Archive: Collections of the Massachusetts Historical Society

“Muley Abdallah having, at length, fup - preffed thofe revolutions, by which his reign had fo often been disturbed, he al - ternately made Mequinez and Morocco his places of relidence, that he might occafion - ally be prefent at each boundary of his em - pire, and overawe, with the greater eafe, the provinces, whofe inconstancy he feared.”

Internet Archive: The present state of the empire of Morocco. Its animals, products, climate, soil, cities, ports, provinces, coins, weights, and measures. With the language, religion, laws, manners, customs, and character, of the Moors; the history of the dynasties since Edris; the naval force and commerce of Morocco; and the character, conduct, and views, political and commercial, of the reigning emperor

“«« The air-barrels being thus prepared, I fitted them with tackle proper to make them rife and fall al - ternately, after the manner of two bucketb in a well; which was done with fo much eafe, that two men, with lefs than half fheir ftrength, coold perform all the labour required: and in thetr dcfcent they were di - refted by lines fattened to the under edge of the bell, the which paffed through rings on both fides the lea - thern hofe in each barrel; fo that, Aiding down by thefe lines, they came readily to the hand of a maw who ftood on the ftage on purpofc to receive them, and to take up the ends of the hofe into the bell.”

Internet Archive: Encyclopædia britannica;