TRIANDRIA— DIGYNIA. Hordeum. 179 



diate spaces flattened, and bordered. Flowers 3 at each 

 tooth, not all perfect, unequally stalked. Cal. to each 

 flower of 2 rather slender, variously shaped, pointed or 

 awned, parallel, upright valves. Floret solitary. Outer 

 valve of the corolla ovate, concave, angular, terminating 

 in a long, straight, rough awn, rising above the awns of 

 the calyx ; inner smaller, lanceolate, flat, inflexed at the 

 edges, pointed. Nectary of 2 acute scales. Filam. ca- 

 pillary, shorter than the corolla. Anth. notched at each 

 end. Germen turbinate. Styles very short. Stigmas fea- 

 thered along the upper side. Seed ovate-oblong, pointed 

 at each end, with a narrow channel along the upper side, 

 firmly coated with both valves of the corolla. 

 Root mostly annual. Stems jointed, hollow, leafy. Spike 

 nearly upright, close, bristly with the copious long aiionSi 

 finally breaking at the joints. 



1. H. murinum. Wall Barley. Mouse Bailey. Way 

 Bennet. 



Lateral flowers barren. Calyx-valves of the intermediate 

 one lanceolate, fringed. 



H. murinum. Linn. Sp. PL 126. Willd. v. 1. 474. H. Br. 155. Engl. 



Bot. V. 28. t. 1971. Rel. Rudb. 12./. 2. Curt. Lond.fasc. 5. t. 9. 



Mart. Rust. t. 43. Knapp t. 104. Hook. Scot. AG. Sincl. 141. 



Schrad. Germ. v. 1 . 404. Host Gram. v. 1. 25. t. 32. Fl. Dan. 



t.629. Ehrh.Calam.47. 

 H. n. 1536. Hall. Hist. v. 2. 248. 

 H. spurium. Gar. Em. 73. f. 



Gramen secalinum et Secale sylvestre. Raii Syn. 391. 

 G. secalinum vulgatissimum viarum. Moris, v. 3. 179. sect. 8. t. 6. 



f-4. 

 G. hordeaceum minus et vulgare. Bauh. Theatr. 134./. Scheuchz. 

 Agr. M. 



On waste ground, and by way sides, common. 



Annual. June — August. 



i?oo^ fibrous. Stems 12 — 18 inches high, spreading and decum- 

 bent at the base ; then ascending, slender, leafy, smooth, with 

 3 or 4 joints. Leaves linear, flat, roughish, with long, rather 

 lax, strongly ribbed, smooth sheaths. Stipula short. Spike 2 or 3 

 inches long, cylindrical, very dense and uniform, two-ranked, 

 brittle. Two lateral^ojt'ers stalked ; their calyx-valves bristle- 

 shaped, rough ; those of the central Jlower linear-lanceolate, 

 three-ribbed, fringed with spreading hairs. Lateral ^ou;ers with 

 stamens ovAy ; central one perfect, and considerably the largest. 

 Outer valve of tlie corolla of the latter concave, somewhat downy. 



