acantha bolus

[Gr. ἄκανθα (akan tha ) a spine or thorn; βάλλω ( ballo ) = to throw.] Old Surg.: An instrument called also vol sell a, for extracting fish-bones when they stick in the œsophagus, or fragments of weapons from wounds. -căn-tha-çe-a (R. Brown, Lindley, .), ạ căn' thí (Ju ieu), s. [Lat. acanthus.] [ACANTHUS.] Acanth ads. An order of monopetalous exogens, with 'wo stamina; or if there are four, then they are Hi dynamo us. The ovary is two-celled, with hard, often hooked ACANTHACEOUS PLANT. placentæ, and has from one or two to many seeds. There are often large leafy bracts. The Acanth acesæ are mostly tropical plants, many of them being Indian. They have both a resemblance and an affinity to the Scrophu lariaceæ of this country, but are distinguish able at once by being prickly and spinous. In 1846 Lindley estimated the known species at 750, but it is believed that as many as 1,500 are now in herbariunas. The acanthus, so well known in architectural sculpture, is the type of the order. [ACANTHUS.] The Acanthacoæ are divided into the following sections, tribes, or families:-1, Thunbergieæ; 2, Nelsonieæ; 3, Hygrophileæ; 4, Ruelliese 5, Barlerieæ 6, A can theæ; 7, Aphelandreæ; 8, Gendaru eæ; 9, Eranthemeæ; 10, Diclepteresæ; and 11, Andro graph ideæ. ạ căn-tha-çe-ous, a . [ACANTHUS.] (1) Pertaining to one of the Acanth acesæ; (2) more or le closely resembling the acanthus; (3) pertaining to prickly plants in general. a-căn-the-e, s. pl . [ACANTHUS.] Bot . A section of the order Acanth aceæ (q. v.). a-căn-thi-a, 8. [Gr. ἄκανθα ( a kantha ) = a spine or thorn.] A genus of hemipterous insects. The species consist of bugs with spinous thoraxes, whence the generic name. Several occur in Britain.