SERRAFALCUS. 409 



2. JB. asper (L.) ; pan. drooping with long slightly divided 

 branches, spikelets lanceolate, fl. remote linear-lanceolate, lower 

 pale hairy 5 7 -ribbed, lowest fl. twice exceeding the upper gl. 

 and longer than its awn, I. broad hairy. E. B. 1172. P. 51. 

 St. 4 5 feet high. L. flat ; lower ones broadest ; sheaths with 

 downward hairs. Damp woods and thickets. A. or B. VII. 



** Spikelets always broader upwards. Hibs of upper pale 

 strongly fringed. Awn long. 



3. B. sterilis (L.) ; pan. drooping, branches long slightly di- 

 vided, spikelets linear-lanceolate, fl. remote, lower pale glabrous 

 shorter than its awn with 7 distinct equidistant ribs, 1. pubescent. 

 E. B. 1030. P. 50. Height 12 feet. L. broad, flat. Waste 

 places. A. VI. 



4. B. diandrus (Curt.); panicle erect, branches short scarcely 

 divided, spikelets lanceolate, fl. linear remote sub cylindrical, 

 lower pale about as long as its awn 7-ribbed, 2 lateral ribs 

 close together, interm. rib faint. E. B. 1006. P. 50. a. B. ma- 

 dritensis (L.) ; st. glabrous, rachis and pedicels scabrous. St. 

 6 12 in. high. Remarkable for its erect panicle. Upper pale 

 but little shorter than the lower. j3. B. rigidus (Roth); pan. 

 compact, pedicels very short, upper part of st., pedicels, rachis 

 and gl. pubescent. Dry sandy places, rare. B. Channel Islands. 

 A. VI. VII. E. S. 



[5. tectorum (L.) ; like B. diandrus, pan. secund drooping, 

 upper pale much the shorter. Hoddesdon, Herts : introduced.] 



[5. -B. maximus (Desf.); pan. erect lax at length nodding, 

 branches slightly divided elongated after flowering, spikelets 

 downy, lower pale 7-ribbed about half as long as its awn. 

 E. B. S. 2820. P. 115. Parnell's figure misrepresents the 

 styles as terminal.- Height 1 2 feet. A most beautiful grass. 

 Sandy places. Channel Islands. A. VII.] 



44. SERRAFALCUS Parlatore 1 . 



[*1. S. secalinus (Bab.) ; pan. loose drooping in fr. slightly 

 compound, simple peduncles about as long as the oblong gla- 

 brous spikelets, fl. at first loosely imbricated afterwards distinct 

 and cylindrical about as long as the straight awn, lower pale not 

 overlapping the next fl., 1. hairy. Bromus Sm., E. B. 1171. P. 

 49, 121 and 122. In fr.the fl. are quite separate and the spike- 

 lets droop. Top of upper gl. %-way between its base and the top 

 of fourth Jl. (second on same side). Lower pale not twice as long 

 as broad, longer than the upper, 7-ribbed. J3. B.velutinus (Sm.) ; 



1 Corresponds to the genus Bromus of Fries. 



