GLOSSARY 



2S9 



Hermaphrodite (flower). Having both 

 stamens and pistils; same as perfect. 



Heteronamous. Producing more than one 

 kind of flowers. 



Heterornorphous. Having flowers of dif- 

 ferent forms as regards the size or rela- 

 tive position of the essential organs. 



Hexa-, in compounds, means six. 



Hexamerous. Consisting of six parts or 

 members. Applied to a flower that is 

 constructed on the numerical plan of 

 six. 



Hilum. The scar or area of attachment 

 of a seed or ovule. 



Hirsute. With rather coarse stiff hairs. 



Hirtellous. Minutely hirsute. 



Hispid. With bristly stiff hairs. 



Hispiaulous. Diminutive of hispid. 



Hoary. Grayish white; see canescent. 



Homogamous. A head or cluster with 

 flowers all of one kind. 



Hyaline. Thin and translucent. 



Hybrid. A cross between two species. 



Hydrophilous. Water-loving. 



Hydrophyte. A water-plant. 



Hypanthium. A calyx-like enlargement 

 of the flower-axis or receptacle, often 

 surrounding or enclosing the pistils 

 and bearing the calyx and corolla and 

 often the stamens on its margin. 



Hypocotyl. The rudimentary stem of the 

 embryo; also termed radicle. 



Hypogynous. Inserted under the pistil. 



Imbricate. Overlapping (as shingles on a 

 roof). 



Immersed. Growing wholly under water. 



Imperfect flowers. Wanting either sta- 



■ mens or pistils. 



Inaequilateral. Unequal-sided, as the leaf 

 of Begonia. 



Incised. Cut sharply and , irregularly, 

 more or less deeply. 



Incision. A cut; a narrow opening be- 

 tween two lobes. 



Included. Not at all protruded from the 

 surrounding envelope. 



Incumbent (embryo). Cotyledons with 

 the back of one of them against the 

 hypocotyl. 



Indehiscent Not splitting open. 



Indigenous. Native to the country. 



Induplicate. Valvate aestivation in which 

 the margins of the leaves are inflexed or 

 folded inward. 



Indurated. Hardened. 



Indusiale. With an indusium. 



Indusium. The proper (often shield- 

 shaped) covering of the sorus or fruit- 

 dot in Ferns. 



Inequilateral. Unequal-sided. 



Inferior. Lower or below; outer or anter- 

 ior. Inferior ovary, one that is adnate 

 to the hypantliium. 



Inflated. Turgid and bladdery. 



Inflexed. Bent inwards. 



Inflorescence. The flowering part of 

 plants; its mode of arrangement. 



Infra- (in compoimd words). Below, 

 being below. 



Infra-axillary. Inserted some distance 

 below the axils. 



Innocuous. Harmless, hence unarmed or 

 spineless. 



Innovation. An offshoot from the stem. 



Inserted. Attached to or growing out of. 



Insertion. The place or the mode of at- 

 ■jKtachment of an organ to its support. 



Inter- or intra-. In composition, between. 



Internerve. Space between the nerves. 



Internode. Portion of a, stem or branch 

 between two nodes. 



Interval. Space between ridges. 



Inlramarginal. Within and near the mar- 

 gin. 



Intravaginal innovation. Where the new 

 shoot starts inside a basal sheath and 

 continues to grow, remaining between 

 it and the stem. 



Introrse. Facing inward. 



Involucel. A secondary involucre. 



Involucrate. With an involucre, or like 

 one. 



Involucre. A whorl of bracts subtending 

 a flower or flower-cluster. 



Involute. Rolled inwardly. 



Irregular. A flower in which one or more 

 of the organs of the same series are un- 

 like the rest. 



Isabel-colored. Dirty yellowish white. 



Keel. A projecting ridge on a surface, 

 Uke the keel of a boat; the -two anterior 

 petals of a papiMonaceous corolla. 



Labellum. The odd (lower) petal of or- 

 chids. 



Labiate. Lipped; belonging to the Labia- 

 tae or Lam[.a.cea.b. 



Lacerate. Irregularly cleft, as if torn. 



Lacinia (-ae). Lobe. 



Laciniate. Cut into narrow lobes or seg- 

 ments. 



Lamina. A plate or blade; the blade of a 

 leaf or a petal. 



Lanate. WooUy; clothed with long and 

 soft entangled hairs. 



Lanceolate. Considerably longer than broad, 

 tapering upward from the middle or below ; 

 lance-shaped. 



Lanose. Densely lanate. 



Lanuginous. Cottony or woolly. 



Lateral. Belonging to or borne on the 

 side. 



Latex. The milky sap of certain plants. 



Lax. Loose and .slender. 



Leaflet. One of the divisions of a com- 

 pound leaf. 



Legume. A simple dry fruit, dehiscent 

 along both sutures. 



Leguminosae. Plants of the famiUes 

 Fabaceae, Caesalpiniaceae, and Mlmo- 

 saceae. 



Leguminous. Pertaining to a legume or 

 to the Leguminosae. 



Lenticels. Small oval dots which appear 

 upon the branches of cork-forming 

 Dicotyledons din-ing the first year's 

 growth, and which, by further growth 

 during the early part of the second 

 year, rupture the epidernus. 



Lenticular. Lens-shaped. 



Lepidote. Beset with small scurfy scales. 



Ligneous. Woody, or having a woody 

 texture. 



Ligulaie. Provided with or resembling a 

 ligiile. 



Ligule. A strap-shaped corolla, as in the 

 ray-flowers of Compositae; a thin scari- 

 ous projection from the summit of the 

 sheath in grasses. 



Limb. The expanded part of a petal, 

 sepal, or gamopetalous corolla. 



Linear. Long and narrow, with parallel 

 margins. 



Lip. The principal lobes of a bilabiate 

 corolla or calyx; the odd and peculiar 

 petal in the orchis family ; the labellum. 



-lucular. In composition, having cells. 



