Appendix VI: Glossary. 
the radicle; of anthers, lying 
against the face or inner side of 
the filament. 
Incurved.. Curved inward. 
Indefinite. Of number, variable or 
very numerous; indeterminate. 
Indehiscent. Not opening regularly 
by valves or otherwise. 
Indeterminate. Of inflorescence, not 
definitely terminated but continuous 
with the axis, the lower or marginal 
flowers being the first to open. 
Indigenous. Native to the country. 
Induplicate. With margins folded 
inward. 
Indusium. In ferns, the shield- or 
seale-like covering of the fruit- 
cluster. 
Inferior. Lower; that part. of a 
flower, etc., which is toward the 
bract; applied also to a calyx that 
is free from the ovary, and to an 
ovary that is adnate to the calyx. 
Inflated. Bladdery. 
Inflexed. Bent or turned abruptly 
inward. 
Inflorescence. The flowering portion 
of a plant, and especially the mode 
of its arrangement. 
Infra-axillary. Below the axil. 
infundibuliform. See Funnelform. 
Innate. Borne upon the upper sur- 
face of a support, as an anther 
upon the summit of its filament, 
the cells dehiscing marginally. 
Innovation. A shoot by which the 
growth and continuance of the plant 
is prolonged, used especially of 
mosses. 
Inserted. Attached to or growing upon. 
Insertion. The place or mode of 
attachment of an organ. 
Internode. The part of a stem between 
two nodes. 
Introrse. Turned inward toward the 
aXls. 
Involucellate. 
volucel. 
Involucel. An inner or secondaty 
involucre; that which surrounds an 
umbellet. 
Tnwolucrate. Having an involucre. 
Involucre. A circle or cireles of scales, 
bracts or leaves, distinct or united, 
surrounding a flower or flower- 
Provided with an in- 
* Lanate. 
1215 
cluster; in Umbelliferae, the bracts 
subtending the umbel. 
Involute. Rolled inward. 
Irregular. Not regular; unsymmetri- 
eal; with its parts unequal or unlike. 
Isomerous. Having an equal number 
of parts in successive series, as of 
sepals, petals, stamens, etc. 
Jointed. Having joints or nodes. 
Julaceous. Resembling an ament. 
Keel. A central dorsal ridge, resemb- 
ling the keel of a boat: the united 
lower petals of a papilionaceous 
flower. 
Keeled. Carinate; having a keel. 
Kerned. The seed within a nut; a 
grain: properly, the contents of the 
seedcoats, consisting of the embryo 
and albumen. 
Kidney-shaped. See Reniform. 
Labellum. <A lip, as in Orchids. 
Labiate. Lipped; applied to an irre- 
gular corolla or calyx which is 
unequally divided into two parts 
or lips. 
Labiatiflorous. Having flowers with 
a labiate corolla. 
Lacerate. Torn; irregularly and deeply 
cleft. 
Laciniate. Cut into. narrow slender 
teeth or lobes. 
Lactescent. Yielding milky juice. 
Lacunose. Having numerous pits, 
depressions or cavities. 
Lacustrine. Living in lakes, ponds 
or swamps. 
Lageniform. Gourd-shaped. 
Lamella. <A thin plate or scale. 
Lamellar. Composed of thin plates. 
Lamina. The blade or dilated portion 
of a leaf. 
Covered with long curled 
hairs like wool. 
Lanceolate. Shaped like a lance-head ; 
tapering upward from a narrowly 
ovate or subovate base. 
Lanuginous. Provided with wool; 
woolly. 
Lateral. At the side; attached to 
the side. 
Lavender-color. A pale grayish blue. 
Lax. loose, distant. 
