10 THE GRASSES OF MAINE. 



Cornaceous. Of a horn-like consistence. 

 Coriaceous. Of a leathery consistence. 

 Culm. The stalk or stem of grasses. 

 Cuspidate. Pending in a sharp, stiff point. 

 Decumbent. Reclining on the ground, but rising at the top 

 Dichotomous. Branching in twos, two forked. 

 Digitate. Dividing from a common point. 

 Dioecious. Having the stamens and pistils on separate plants. 

 Diverging. Wide!}' spreading. 

 Dorsal. Belonging to or growing from the back. 

 Emarginate. Having a notch at the end. 

 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. Thread-like. 



Flexuous. Bending freeh^, bending in a zig-zag way. 

 Floret. A name sometimes given to the flowers of grasses. 

 Foliaceous. Resembling a leaf. 

 Gfeniculate. Bent abruptly at an angle, like a knee. 

 Glabrous. Smooth, without hairs or roughness. 

 Glaucous. Having a light bluish-green color. 

 Glomerate. Clustered in small roundish heads. 

 Glumes. The chaff-like covering of the flowers of grasses, particu- 

 larly the outer pair. 



Indigenous. Growing naturally, not brought from some other coun- 

 try. 



Inlernode. The space between two nodes or joints. 

 Involute. Rolled together inwards. 



Joints. Thickenings in the stem where the leaves originate. 

 Keel. An elevated longitudinal ridge in the middle of a glume or 



palea, resembling the keel of a boat. 

 Lamina. The expanded portion of a leaf; the blade. 

 Ligule. A tongue-like appendage at the upper part of the sheath 



of a leaf. 



Line. The twelfth part of an inch. 



Membranaceous. Thin, like a membrane, generally somewhat trans- 

 lucent. 



