GLOSSARY. 



545 



Hood, Hooded. See Ciicullate. 



Hyaline. Transparent ; translucent. 



Hybrid. A cross between two species, produced 



by the fertilization of the flower of one species 



by the pollen of another. 

 Hypocrateriform, or Hypocraterimorplious. The 



same as salverform. 



ffypogceous. Growing or remaining under ground. 

 Hypocjynous. Growing upon the receptacle of 



the flower at the base of the pistil, and free 



from the perianth. 



Imbricate. Overlapping, as the scales of the 

 several series of an involucre ; in aestivation, 

 applied to cases where at least one part of the 

 calyx (or corolla) is wholly external and one 

 wholly internal, as distinct from convolute, 

 where none are either wholly external or in- 

 ternal, and from valvate, where none overlap. 



Immanjinate. Not margined or bordered. 



Immersed. Growing wholly under water ; in 

 mosses, used of a capsule inclosed within its 

 involucral leaves. 



Inequilateral. With unequal sides. 



Incised. Irregularly, sharply and deeply cut. 



Included. Inclosed by the surrounding organs; 

 not exserted. 



Incomplete. Not perfect ; wanting some of its 

 parts. 



Incubous. Imbricate upward, having the tip of 

 one leaf resting upou the base of the one 

 above it. 



Incumbent. Resting upon ; of cotyledons, lying 

 with one side toward the radicle ; of anther*, 

 lying agaiust the face or inner side of the 

 filament. 



Incurved. Curved inward. 



Indefinite. Of number, variable or very numer- 

 ous ; indeterminate. 



Indchiscent. 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. 



ludiiplicate. With margins folded inward. 



Indusium. In ferns, the shield- or scale-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 Funnclform. 



Innate. Borne upon the upper surface 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. 



Iiisr.rf.t.'d. Attached to or growing upon. 



Insertion. The place or mode of attachment of 

 an organ. 



Internodc. The part of a stem between two 

 nodes. 



Introrsc. Turned inward toward the axis. 



Invohicellate. Provided with an involucel. 



Involuccl. An inner or secondary involucre ; 

 that which surrounds an umbellet. 



Involucrate. Having an involucre. 



Involucre. A circle or circles of scales, bracts 

 or leaves, distinct, or united, surrounding a 

 flower or flower-cluster ; in Umbelliferre, the 

 bracts subtending the umbel. 



Involute. Rolled inward. 



Irregular. Not regular ; unsymmetrioal ; with 



its parts unequal or unlike. 



| Isomerous. Having an equal number of parts 

 in successive series, as of sepals, petals, sta- 

 mens, etc. 



Jointed. Having joints or nodes. 

 Julaccous. Resembling an ameut. 



Keel. A central dorsal ridge, resembling the 



. keel of a boat ; the united lower petals of a 

 papilionaceous flower. 



Keeled. Carinate ; having a keel. 



Kernel. The seed within a nut ; a grain : prop- 

 erly, 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 irregular 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. 

 Laycniform. Gourd-shaped. 

 Lamella. A thin plate or scale. 

 Lamellar. Composed of thin plates. 

 Lamina. The blade or dilated portion of a leaf. 

 Lanate. Covered with long curled hairs like 



wool. 

 Lanceolate. Shaped like a lance-head ; tapering 



upward from a narrowly ovate or subovate 



base. 



Lanuginons. Provided with wool ; woolly. 

 Lateral. At the side ; attached to the side. 

 Lavender-color. A pale grayish blue. 

 Leaf. The principal organ of vegetation borne 



by the stem, in which the sap is elaborated 



for the growth of the plant. 

 Leaf-blade. The dilated portion of a leaf. 

 Leaf-bud. A bud which is the rudiment of a 



branch and tends to develop into one. 

 Leaflet. A separate division of a compound leaf. 

 Leafstalk. The footstalk or petiole of a leaf. 

 Leathery. Resembling leather ; coriaceous. 

 Lec/umc. A normally 1-celled capsule, formed 



from a single carpel, but dehiscing by two 



valves, as in the Pea. 



