A grammar of botany : containing an explanation of the system of Linnaeus, and the terms of botany, with botanical exercises, for the use of schools and students : illustrated by forty-five engravings : multum in parvo / by Robert John Thornton, M.D.

  • Thornton, Robert John, 1768?-1837.
Date:
1818
Catalogue details

Licence: Public Domain Mark

Credit: A grammar of botany : containing an explanation of the system of Linnaeus, and the terms of botany, with botanical exercises, for the use of schools and students : illustrated by forty-five engravings : multum in parvo / by Robert John Thornton, M.D. Source: Wellcome Collection.

Provider: This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)

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    152. Equitant, (egvitantia, chevauchantes,) when two opposite leaves converge so to each other with their edges, as that one encloses the other. Ex. Laurus. 153. Conduplicate, (conduplicata, condupli- quees,) when the two sides of the leaf are dou- bled over each other at the midrib, as the Rose. 154. Plicate, (plicata, plissees,) folded like a fan. Ex. Acer. 155. Circinal, (circinalia, cochleiformes,) when the leaf is rolled in spirally downwards, the apex forming the centre, as Fern. II. Insertion of Leaves. 156. Radical, {radicalia, radicales,) inserted immediately into the root, as Cowslip. 157. Cauline, (caulina, caulinaire,) placed up- on the stem, as Mignonette. 158. Rameal, (ramea, ramlalis,) placed upon the branches, as in Lilac. 159. Floral; (Jloralia, florales,) immediately at- tending the flowers. Observation. Differs from the bracteal leaves, although often confounded by writers with them. III. Situation. 160. Alternate, (alterna, alternes,) first on this side and then on the other, rising one after the other like so many steps. Ex. Tilin.