Old. 3.] TRIANDRIA DIGYNIA. 25 



12. F. eldtior, 23. 1593. (Reedy F.) Panicle somewhat drooping, 

 much branched, loosely spreading-. Spikelets ovate-lanceolate. 

 Florets numerous, cylindrical, somewhat awned, obscurely 

 ribbed. Root creeping-. 



Humid past. If. 6, 7. About 4f. Leaves broader, rough-edged. 

 Nect. 4-cleft. 



13. F. sylvatica, Bromus sylv. 11. 729. (Wood F.) Spike simple, 

 drooping-. Spikelets nearly cylindrical, turned to one side. 

 Awns longer than their glumes. Leaves hairy. Root fibrous. 



Copses and hedges. If. . 7. About 2f. slender, bright green. Nect. 

 of 2 scales. 



14. F.pinndta, B. pinn. 11. 730. (Spiked Heath F.) Spike simple, 

 erect, two-ranked. Spikelets nearly cylindrical. Awns shorter than 

 their glumes. Leaves nearly smooth. Root somewhat creeping. 



Fields and heaths, on a chalky soil. If. 7 . 18. in. rigid, smoothish. 



52. BRoMUS. Brome-grass. 



1. B. secalinus, 17. 1171. (Smooth Rye B.) Panicle spreading; 



slightly subdivided below. Spikelets ovate, of about ten dis- 

 tinct, somewhat cylindrical, smooth florets. 

 Fields. 7. L. slightly hairy. Awns wavy, shorter •than the glumes. 



2. B. velutinus, B. multifldrus, 27. 1884. (Downy Rye B.) Panicle 



spreading, scarcely subdivided. Spikelets ovate-oblong, of 

 from ten to fifteen crowded, elliptical, downy florets. 

 Fields, rare. 0-7- L. slightly hairy. Awns as long as the glumes. 

 8. B. mollis, 15. 1078. (Soft B.) Panicle erect, rather close, com- 

 pound. Spikelets ovate, downy. Florets imbricated, depress- 

 ed, ribbed. 

 Fields and waste gr. $ . G. Soft and downy. Gl. 7 —9-ribbed, 

 the length of their awns. 



4. B. racemosus, 15. 1079, B. arvensis, 13. 920. (Smooth B.) 



Panicle nearly erect, spreading, slightly branched. Spikelets 

 ovate-oblong, naked. Florets imbricated, depressed, ribbed. 

 Mead, and past. 0.6. L. somewhat downy. Axons as long as the gl. 



5. B. squarrosus, 27. 1885. (Corn B.) Panicle drooping, nearly 



simple. Spikelets ovate-oblong. Florets about twelve, imbri- 

 cated, depressed, ribbed. Awns widely spreading. 

 Fields. 0. 7. \f Spikel. large, shining. A doubtful native. 



6. B. arvensis, 28. 1984. (Field B.) Panicle spreading, drooping, 



compound, half-whorled. Spikelets lanceolate, acute. Florets 

 about eight, imbricated, smoothish, with two close ribs at each side. 

 Fields. 0.7. 3. f Leaves hairy. Pan. large. Spikel varieg. with 

 purple and green. 



7. B. erectus, 7. 471. (Upright B.) Panicle erect, slightly branched. 



Florets lanceolate, compressed, loosely imbricated. Awn 



straight, shorter than the glume. Radical leaves very narrow, 



fringed with scattered hairs. 



Sandy and chalky soil. 1/ . 7. Spikel. linear -lanceol. ivith about8flor. 



8- B. asper, 17. 1172. (Rough B.) Panicle drooping, branched, 



c 



