142 



Diwcious. Having the stamens juul pistils on separate plants, the stamiiiate iloxvr;.., 

 on 0110 and pistillate flowers on another. 



Dirrryiny. Widely spreading. 



Dorsal, Belonging to or growing from the back. 



Emargiitalc. Having a iioteli at the eud. 



Entire. Without notches or divisions. 



Equal. Alike in length. 



Exserted. Protruded, extended beyond, standing out. 



Fertile. Having perfect pistils; producing fruit. 



Fibrous. Having thread-like divisions. 



Filament. The stalk or support of the anther. 



Filiform . T : read-li ko. 



Flexuous. Bending freely. 



Floret. The flowers of grasses are sometimes called florets. 



Foliaceous. Resembling a leaf. 



Fusiform. Spindle-shaped, largest in the middle and tapering to both ends. 



Geniculate. Bent abruptly, like a kuee. 



Genus. A group of species having a general agreement in structure. 



Glabrous. Smooth, without hairs or roughness. 



Glaucous. Having a grayish green color. 



Glow rate. Clustered in small roundish heads. 



Glumes. The chaff-like leaves forming a part of the llowers. 



JJtrbaccous. Herb-like, not woody. 



Hirsute. Pubescent, with rather stiff and coarse hairs. 



Hyaline. Thin and transparent. 



Imbrifiate. Closely overlapping each other, as frequently the flowers of a spikelet. 



Indigenous. Growing naturally; not brought from some other country. 



Inferior. Lower in position. 



Inserted. Growing out of, or upon another. 



Internode. The space between two nodes or joints. 



Involute. Rolled together inwards. 



Joints. Thickenings in the stern where the leaves originate; separable parts of an 

 axis ; point of issue of the branches of a panicle. 



Keel. An elevated longitudinal ridge, in the middle of a leaf, glume, or palot ; re- 

 sembling the keel of a boat. 



Lamina. The free or expanded portion of a leaf, as distinguished from the petiole or 

 the sheath; the blade of a leaf. 



Lanceolate. Tapering gradually to the apex, like a lancet. 



Lateral. At or from the side. 



Llgule. A tongue-like appendage at the upper part of the sheath of a loaf. 



Line. The twelfth part of an inch. 



Linear. Long and narrow, with parellel sides. 



Lobe. Some division of a glume. 



Male flower. A flower that has stamens, but without pistil. 



Membranaceoiis. Thin like a membrane, generally somewhat translucent. 



Monoecious. With stamens and pistils in different flowers on the same plant. 



Midrib. The centr.il and principal nerve of a leaf or glume. 



Mucronatc. Abruptly tipped with a short awn or bristle. 



Nerv(s. The ribs or veins of a leaf, or leaf-like organ. 



Neutral. Having neither stamens nor pistils. 



Xoden. Knots or thickened portions in the ulms. 

 Oblong. Longer than wide, with nearly parellel sides. 

 Obovate. Egg-shaped, with the wider eud uppermost. 

 Obtuse. Blunt or rounded at the apex. 

 Oval. Broadly elliptical, approaching a rounded form. 



