_Virgate_, wand-shape; as a long, straight, and slender twig.

_Viscous_, _Viscid_, having a glutinous surface.

_Vitta_ (plural _vittae_), the oil-tubes of the fruit of Umbelliferae.

_Vitelline_, yellow, of the hue of yolk of egg.

_Viviparous_, sprouting or germinating while attached to the parent
plant.

_Voluble_, twining; as the stem of Hops and Beans, 39.

_Volute_, rolled up in any way.

_Wavy_, the surface or margin alternately convex and concave, 55.

_Waxy_, resembling beeswax in texture or appearance.

_Wedge-shaped_, broad above, tapering by straight lines to a narrow
base, 53.

_Wheel-shaped_, 89.

_Whorl_, an arrangement of leaves, &c., in circles around the stem.

_Whorled_, arranged in whorls, 68.

_Wing_, any membranous expansion. _Wings_ of papilionaceous flowers, 92.

_Winged_, furnished with a wing; as the fruit of Ash and Elm, fig. 300,
301.

_Wood_, 133, 142. _Woody_, of the texture or consisting of wood.

_Woody Fibre_, or _Wood-Cells_, 134.

_Woolly_, clothed with long and entangled soft hairs.

_Work in plants_, 149, 155.

_Xanthos_, Greek for yellow, used in compounds; as _Xanthocarpus_,
yellow-fruited.

_Zygomorphous_, said of a flower which can be bisected only in one plane
into similar halves.

Transcriber's Notes.

In the Latin-1 text version, the oe-ligature was simply replaced by the
two separate characters. Other non-Latin-1 symbols were replaced by
"[Symbol ...]," where the ellipsis was replaced by an explanation of the
symbol. The occurrence of the Greek delta character in the glossary for
Deltoid was replaced by "Delta."

Spelling variants where it wasn't possible to determine the author's
intent were left as is. These include: "backbone" and "back-bone;"
"Buttonwood" and "Button-wood;" "cross section" and "cross-section;"
"footstalk" and "foot-stalk;" "network" and "net-work;" "Paeony" and
"Peony;" "peapod" and "pea-pod," plus plurals; "penniveined" and
"penni-veined," plus capitalized versions; "Sapwood" and "Sap-wood;"
"Snowball" and "Snow-ball;" "Verticil" and "Verticel;" "Woodsorrel" and
"Wood-sorrel."

Changed "Venation" to "Vernation" on page vi: "Vernation or
Praefoliation."

Changed "Isoetes" to "Isoetes" on page viii: "Quillworts (Isoetes)."

Changed "liquifies" to "liquefies" on page 21: "as it liquefies."

Changed "frame-work" to "framework" on page 52: "the framework or
skeleton."

Changed "leafstalk" to "leaf-stalk" in t