GLOSSARY. 371 



Hirsute. Covered with rather coarse hairs. 



Hispid. Thickly covered with rather stiff hairs. 



Hispidulous. Minutely hispid. 



Homogamous. Applied to flower-heads containing one kind of floret only. 



Hyaline. Glassy. The term is also used to denote a pellucid substance in which, as 



some writers consider, the cell nucleus originates. 

 Hypogynous. Inserted on the floral receptacle or beiieath the pistil. 



Imbricate. Overlapping, like the scales of a fish. 



Incised. Notched or cut irregularly but sharply. 



Included. Stamens or style not projecting beyond the corolla. 



Incumbent. Besting or weighing either wholly or partially upon something, as an 

 anther against the inner side of a filament. The term is applied also to an 

 embryo in which the radicle is folded down upon the back of the cotyledons. 



Indehiscent. Applied to fruits which do not open along regular lines to liberate 

 the seed. 



Indigenous. Native, not exotic ; said of a plant originating in the place or country 

 in which it is found. 



Inferior. ' (1.) Applied to an ovary when the outer parts of the flower, especially the 

 corolla and calyx, are attached to it and are superior; applied to calyx and 

 corolla that are not attached to the ovary, which is the superior. (2.) Applied 

 to the radicle of the embryo when pointing towards the base of the fruit. 



Inflorescence. The arrangement of the flowering branches and of the flowers upon 

 them. 



Innate. Applied to anthers when firmly attached by their bases to the filaments. 



Introrse. Turned inwards. 



Involucel. The involucre of a partial umbel. 



Involucellate. Having an involucel. 



Involucrate. Having or form.ing an involucre. 



Involucre. A series of bracts closely placed round a flower-clustre, and arranged in 

 one or several series. 



Involute. Having the margins rolled inwards. 



Keel. The two lower more or less combined petals of a papilionaceous flower. 



Labiate. Lipped ; usually two-lipped or bilabiate. 



Lacerate. Having the edges jagged or irregularly cut. 



Laoiniate. Cut into long, narrow, irregular lobes. 



Lacuna. (1) A small pit or depression ; (2) a hollow cavity. 



Lanceolate. Shaped like a spear-head ; applied to a leaf that is three or four times 



as long as broad, and that tapers to its ends. 

 Lanuginous. Covered with soft woolly or cottony hairs. 

 Legume. A one-celled, two-valved seed-vessel or pod, formed of a simple pistil, 



having the seeds arranged along the inner or ventral suture. 

 Lenticel. A loose, lens-shaped mass of cells belonging to the corky layer of plants. 

 Lenticellate. Having lenticels. 

 Lenticular. Lens-shaped. 

 Ligulate. Strap-shaped. 



Linear. Narrow, with parallel margins, at least four or five times as long as broad. 

 Lobulate. Separated into lobules. 

 Loculicidal. Applied to dehiscence when the valves of the capsule split open between 



the septa, which remain attached to the valves. 

 Lunate. Crescent- shaped. 



