trifid

Historical Examples of trifid

• The upper as well as the lower leaves are trifid, or three-parted.

  The Field and Garden Vegetables of America

  Fearing Burr

• Posterior arms about one-third larger, also trifid, with one deeper anterior and one shallower posterior incision.

  Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, First Part: Porulosa (Spumellaria and Acantharia)

  Ernst Haeckel

• Posterior arms of the same length, but much broader, trifid, with two incisions (one larger and one smaller).

  Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, First Part: Porulosa (Spumellaria and Acantharia)

  Ernst Haeckel

• Podoconus about two-thirds as long as the capsule, with trifid porochora, which is composed of three equal circular lobes.

  Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Second Part: Subclass Osculosa; Index

  Ernst Haeckel

• The heliogravure reproduction of the Trifid nebula is No. 55.

  Photographs of Nebul and Clusters

  James Edward Keeler