TRIANDRI A— DIGYNI A. Hordeum. J 79 



(liate 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 axivi, rising above the awns of 

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

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

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

 end. Germen turbinate. Stj/les 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. 

 Boot mostly annual. Ste?ns jointed, hollow, leafy. Spi/ce 

 nearly upright, close, bristly with the copious long aivns, 

 finally breaking at the joints. 



1. Yi, 7?iw'i?iu?n. Wall Barley. Mouse Barley. Way 

 Bennet. 



Lateral flowers barren. Calyx-valves of the intermediate 

 one lanceolate, fringed. 



H. murinum. Linn. Sp. PL 126. Willd. r- 1 . 474. R. 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. 46. Smcl. 141. 



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



t.G29. Ehrh.Calam.47. 

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

 H. spurium. Ger. Em. 73./. 



Gramen secalinum et Secale sylvestre. Raii Syn. 391. 

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



G. hordeaceum minus et vulgare. Bauh. Theatr. 134./, Scheiichz. 

 Agr. 14. 



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 ^o?rer6' stalked j their cah/x-valves bristle- 

 shaped, rough j those of the central ^flower linear-lanceolate, 

 three-ribbed, fringed with spreading hairs. Ij^iar^X flowers w\i\\ 

 stamens only ; central one perfect, and considerably tlic largest. 

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



n2 



