( 137) 



3138. Barren oats. — Avena sterilis L. Native of southern Europe and Asia. 



3139. Gama grass. Mesquit grass. — Boutdoua juncifolia Lag. Native of the 



southwestern United States and Mexico. 



3140. Beckmannia. — Beckmannia erucaeformis (L.) Host. Native of the north 



temperate zone. 



3 141. Wire grass. Crab grass. Crowfoot grass. — Eleusine indica (L.) Gaertn. 



Native of the Old World and a bad weed in the United States. 



3142. Feather grass. — Leptochloa mucronata (Michx.) Kunth. Native of the 



United States. 



3143. Purple Eragrostis. — Eragrostis pectinacea (Michx.) Steud. Native of the 



United States. 



3144. Broad-leaved spike grass. — Uniola latifolia Michx. Native of the United 



States. 



3145. Marsh spike grass. — Distichlis spicata (L.) Greene. Native of North 



America. 



3146. Quaker grass. — Briza media L. Native of the north temperate zone. 



3147. Orchard grass. — Dactylis glomerata L. Native of Europe and widely culti- 



vated for hay. 



3148. Dogstail grass. — Cynosurus cristatus L. Native of southern Europe and 



Asia. 



3 149. Northern spear grass. — Poa nemoralis L. Native of the northern hemisphere. 



3150. Sheep's-cue grass. — Festuca ovina L. Native of the northern hemisphere. 



3151. Meadow fescue grass. — Festuca elatior L. Native of Europe and naturalized 



in North America. 



3152. Abyssinian brome grass. — Bromus adoensis Hochst. & Stard. Native of 



northern Africa. 



3153. Upright chess or cheat. — Bromus racemosus L. Native of eastern North 



America. 



3154. Field chess or cheat. Bromus arvensis L. Native of Europe and Asia. 



3155. Hungarian brome grass. — Bromus inermis Leyss. Native of Europe and 



cultivated. 



3156. Slender wheat grass. — Agropyrum tenerum longifolium. 



3157. Western wheat grass. — Agropyrum spicatum (Pursh) Scrib. & Sm. Native 



of the western United States. 



3158. Two-rowed barley. — A cultivated form of Hordeum sativum Juss. Native 



of Europe and cultivated everywhere. 



3159. Dog's-tooth grass. — Capriola Dactylon (L.) Kuntze. Of world-wide dis- 



tribution. 



3160. Florida Chloris. — Eustachys neglecta Nash. Native of Florida. 



3161. Drummond's Tridens. — Tridens Drummondii (Scribn. & Kearn.) Nash. 



Native of the southeastern United States. 



3162. Large crab grass. — Syntherisma sanguinale (L.) Nash. Naturalized from 



Europe throughout most of North America. 



THE SEDGE FAMILY (Cyperaceae) 



Very few of the plants of this family are eaten by cattle and those only sparingly, 

 in the absence of grasses. 



3163. Tussock sedge. — Carex stricta Lam. Native of bogs in the United States. 



