F GLOSSARY OF TERMS USED IN DESCRIBING GRASSES. 
_ Abrupi. Terminating suddenly. 
 Acuminaie. Extended into a tapering point. 
Aeute. Sharp-peinted. 
Alternate. Situated regularly one above the other on opposite sides, 
Annual. Living but one season. 
_ Aniher. The organ containing the pollen or flower-dust. 
Apex. The top or extreme end of any part. 
Appressed. Pressed together, not spreading. 
_ Aristate. Having an awn or beard. 
_ Articulated. Connected by a joint or joints. 
| Ascending. Rising obliquely from the ground. 
_ dwl-shaped. Gradually narrowed to a fine point like an awl. 
Awn. A bristle-like organ proceeding from the glumes. 
Axis. The central stem of a panicle, spike, or spikelet on which the flowers are dis- 
posed. 
Beard. A long slender hair or awn. 
Biennial. Living through two seasons. 
Bifia. Divided into two portions at the apex. 
Biserual. Having both stamens and pistils. 
Blade. The expanded portion of a leaf. 
= 
 Boat-shaped. Folded together in the form of a boat; convex outwardly aud concave 
on the inside. 
Branch. A division of the stem or panicle. 
Branchlet. A secondary division of the branch. 
- Bristles. Short, stiff hairs. 
‘Bulbous. Thickened like a bulb. -~¢ 
_ Cespitose. Growing in bunches or tufts. 
Capillary. Hair-like, very slender. 
 Carinate. Keeled, having a prominent ridge in the center. 
_ Cartilaginous. Firm aod tough like cartilage. 
 Cauline. Belonging to the culm or stem. 
Chaf. The dried glumes and palets of grasses. 
_ Chartaceous. The texture resembling paper or parchment in thickness, 
Ciliate. Having the margin or nerves fringed with hairs. 
Compressed. Flattened laterally. 
_ Contorted. Twisted. 
- Convolute. Rolled together inward from the margins. 
-Coriaceous. Of a leathery consistence. 
Cornaceous. Of a horn-like consistence. ° 
_ Culm. The stalk or stem of grasses. 
Cuspidate. Ending in a sharp, stiff point. 
_ Decumbent. Reclining on the ground, but rising at the top. 
_ Dichotomous. Branching in twos, forking by pairs. 
; - Digitate. Dividing from a common point. 
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