157 
B. diandrus. Upright Annual Brome-grass. Fig. 1561. 
Panicle upright, spreading, slightly branched. Florets with only 2 
stamens. Dry places. 1—2 ft. Ann. June. (|) E. B. 1. 1006. 
E. B.2.] 60. 11. Arn. 561. Bab. 409. Lind. 312. 
B. maximus. Great Brome-grass. Fig. 1562. 
Panicle erect, lax, drooping. Spikelets lanceolate, downy. Awns 
two or three times the length of the glumes. Jersey. 6 in.-2 ft. Ann. 
June and July. (|) E. B. Supp. 2820. II. tyArn. 561. Bab. 409. 
B. Secalinus. Bye Brome-grass. Fig. 1563. 
Panicle spreading, little-branched. Spikelets ovate, compressed, with 
about 10 florets. Awns shorter than the florets. Fields. 2-3 ft. 
Ann. July-Sept. (g) E.B. 1. 1171. E.B. 2.151. H. Arn. 562. 
Bab. 409. Lind. 311. 
B. velutinus. Fig. 1564. 
A variety of Secalinus. Panicle nearly simple. Spikelets downy. 
Fields. 2ft. Ann. July-Sept. (g) E. B. 1. 1884. E.B.2.lb2. 
11. Am. 562. Bab. 409. Lind. 311. 
B. racemosus. Smooth Brome-grass. Fig. 1565. 
Panicle nearly erect, simple. Spikelets ovate-oblong, with 6-10 
smooth florets. Awns as long as the florets. Pastures. 2 ft. Ann. 
June. (|) E.B. 1. 1079. E.B.2. 154. H. fy Arn. 563. Bab. 410. 
Lind. 311. 
B. commutatus. « Fig. 1566. 
Panicle loose, drooping in fruit; lower peduncles often branched. 
Awns as long as the floret. Fields. 1-2 ft. Ann. June and July. 
(|) E.B. 1. 920. E. B. 2. 154*. H. Arn. 562. Bab. 410. 
Lind. 311. 
B. mollis. Soft Brome-grass. Fig. 1567. 
Panicle erect, close, compound. Spikelets ovate. Florets depressed, 
ribbed, downy. Leaves hairy. Pastures and road-sides; abundant. 
1-2 ft. Ann. May and June, (g) E. B. 1. 1078. E. B. 2. 153. 
II. fy Arn. 563. Bab. 410. Lind. 311. 
B. arvensis. Field Brome-grass. Fig. 1568. 
Panicle spreading, drooping, compound. Spikelets lanceolate, pointed, 
about 8-flowered. Florets elliptical. Leaves hairy. Sea-coast. 3 ft. 
Ann. July and Aug. (|) E. B. 1. 1984. E. B. 2. 156. H.fyArn. 
563. Bab.AlO. Lind.'6 12. 
B. squarrosus. Com Brome-grass. Fig. 1569. 
Panicle drooping, simple. Spikelets ovate-oblong, with about 12 
florets. Awns spreading. Leaves downy. Corn-fields; rare. 2 ft. 
Ann. June and July, (f) E. B. 1. 1885. E. B. 2. 155. 11. 
Arn. 564. Bab.AW. Lind. 311. 
Genus 31. Avena. 
A. fatua. Wild Oat. Haver. Fig. 1570. 
Panicle erect; flowers drooping. Spikelets of about 3 florets, with 
long hairs at the base. Corn-fields. 3 ft. Ann. July, (g) E. B. 1. 
2221. E.B. 2. 161. II. Am. 565. Bab. 398. Lind. 310. 
