a. [ad. L. fistulār-is, f. fistula: see FISTULA sb. and -AR1.]
1. Bot. Hollow and cylindrical like a pipe or reed, tube-like. Also, consisting of tube-like parts.
1704. J. Harris, Lex. Techn., s.v. Flower, Compounded Flowers, are either, Discous … Planifolious … Fistular, which is compounded of many long, hollow little Flowers like Pipes, all divided into large Jaggs at the Ends.
a. 1722. Lisle, Observ. Husb. (1757), 150. The fibres and fistular parts of a plant, or a fruit, are to proceed gradually in an extension of parts, as well as in fulness of juices.
1845. Lindley, Sch. Bot., viii. (1858), 150. Juncaceæ.… Leaves fistular, or flat and channelled, with parallel veins.
1870. Hooker, Stud. Flora, 149. Umbelliferæ. Herbs. Stems usually fistular, solid at the nodes.
2. Path. Pertaining to, or of the nature of, a fistula.
1706. Phillips (ed. Kersey), Fistular, Fistulary, or Fistulous, belonging to a Fistula.
18[?]. trans. Bichat’s Physiol. (L.). Such, too, is the character of the mucous membrane in fistular canals.
