TRIANDRIA— DIGYNIA. Hordeum. J 79 



at the base ; ribbed, angular, and roughish above • each tipped 

 with a straight rough awn, half its own length. Florets often 

 solitary, never more than 2, all generally perfect. Outer valve 

 of the corolla lanceolate, ribbed, rough, especially in the upper 

 part, terminating in a long straight awn ; inner slightly cloven, 

 rough at the marginal ribs. Germen obovate, downy. Styles 

 distant, extremely short. Stigmas slender. Seed lanceolate, 

 with a furrow along the upper side, and a downy point, firmly 

 coated with both valves of the corolla. 



60. HORDEUM. Barley. 



Linn. Gen. 39. Juss. 32. Fl. Br. 155. Lam. t. 49. Gcerin.t.SX. 



Common receptacle, or main stalk, many-flowered, jointed, 

 elongated, toothed alternately at each side, the interme- 

 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 ami, 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 awns, 

 finally breaking at the joints. 



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

 Bennet. 



Lateral flowers barren. Calyx-valves of the intermediate 



one lanceolate, fringed. 

 H. murinum. Linn. Sp.PU26. Willclv. 1.474. Fl.Br.155. Engl 



Bot.v.28.t.\97\. Rel. Rudb. 12. f. 2. Curt.Lond.fasc. 5. t.9. 



Mart. Rust. t. 43. Knapp t. 104. Hook. Scot. 46. 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. Ger. Em. 73. f. 



Gramen secalinum et Secale sylvestre. Rail Syn. 391. 

 G. secalinum vulgatissimumviarum. Moris. v. 3. 179. sect. 8. t.G.f. 4. 



N 2 



